<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:xhtml="http://www.w3.org/1999/xhtml">

  <!--
    hreflang: 当前 i18n 使用 localStorage 切换语言，所有 URL 返回相同内容。
    只声明 x-default。未来迁移到 URL 子路径方案后再添加 per-language hreflang。
  -->

  <url>
    <loc>https://www.chemviz3d.com/</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>weekly</changefreq>
    <priority>1.0</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/keyframe-editor</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/keyframe-editor" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/keyframe-editor-2d</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/keyframe-editor-2d" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation-player-2d</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation-player-2d" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/chem2d-to-3d-converter</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/chem2d-to-3d-converter" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/chemx-blender-converter</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/chemx-blender-converter" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/guide</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/guide" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/pubchem</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/pubchem" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/osra</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/osra" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/education</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.9</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/education" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/education/nsw</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/education/nsw" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/education/vic</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/education/vic" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/education/act</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/education/act" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/molecule-library</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/molecule-library" />
  </url>

  <!-- ===== 3D Animation Pages (auto-generated from Animation3DRegistry) ===== -->

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ch4_combustion</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ch4_combustion" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c2h6_combustion</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c2h6_combustion" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c3h8_combustion</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c3h8_combustion" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c2h5oh_combustion</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c2h5oh_combustion" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ch4_substitution</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ch4_substitution" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ch3cl_chlorination</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ch3cl_chlorination" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=sn2_reaction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=sn2_reaction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c2h4_h2_addition</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c2h4_h2_addition" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c2h4_br2_addition</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c2h4_br2_addition" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c2h4_hcl_addition</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c2h4_hcl_addition" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c2h4_h2o_addition</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c2h4_h2o_addition" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c6h5ch3_ch3_rotation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c6h5ch3_ch3_rotation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c6h5ch2ch3_rotation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c6h5ch2ch3_rotation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ch3ch3_rotation_1</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ch3ch3_rotation_1" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ch3ch3_rotation_2</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ch3ch3_rotation_2" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ch4_h_atom_rotation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ch4_h_atom_rotation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=l_lactate_oxidase</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=l_lactate_oxidase" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=d_lactate_no_reaction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=d_lactate_no_reaction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=two_na_water_reaction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=two_na_water_reaction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=silver_ion_chloride_precipitation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=silver_ion_chloride_precipitation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=silver_nitrate_sodium_chloride_precipitation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=silver_nitrate_sodium_chloride_precipitation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=iron_thiocyanate_equilibrium</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=iron_thiocyanate_equilibrium" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=hydrochloric_acid_hydration</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=hydrochloric_acid_hydration" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=bicarbonate_buffer_reaction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=bicarbonate_buffer_reaction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=bicarbonate_acid_reaction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=bicarbonate_acid_reaction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ammonium_hydrolysis_equilibrium</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ammonium_hydrolysis_equilibrium" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=bisulfate_equilibrium</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=bisulfate_equilibrium" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=nitric_acid_hydration</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=nitric_acid_hydration" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=water_autoionization</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=water_autoionization" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=sulfuric_acid_first_dissociation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=sulfuric_acid_first_dissociation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=acetic_acid_dissociation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=acetic_acid_dissociation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=acetate_hydrolysis</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=acetate_hydrolysis" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=magnesium_hydrochloric_acid_reaction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=magnesium_hydrochloric_acid_reaction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=nitrogen_dioxide_equilibrium</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=nitrogen_dioxide_equilibrium" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=sodium_chloride_dissolution</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=sodium_chloride_dissolution" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ammonia_water_equilibrium</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ammonia_water_equilibrium" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=zinc_copper_sulfate_reaction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=zinc_copper_sulfate_reaction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=nh4no3_dissolution</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=nh4no3_dissolution" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=sodium_ionization</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=sodium_ionization" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=h_oh_neutralization</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=h_oh_neutralization" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=chlorine_reduction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=chlorine_reduction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=magnesium_combustion</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=magnesium_combustion" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=water_electrolysis</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=water_electrolysis" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c10h22_cracking</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c10h22_cracking" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c2h5cl_naoh_substitution</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c2h5cl_naoh_substitution" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c2h5oh_dehydration</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c2h5oh_dehydration" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=c2h5oh_hcl_substitution</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=c2h5oh_hcl_substitution" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=esterification</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=esterification" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=primary_alcohol_oxidation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=primary_alcohol_oxidation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=h2_o2_combustion_initial</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=h2_o2_combustion_initial" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=water_molecules_in_space</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=water_molecules_in_space" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=atp_to_adp</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=atp_to_adp" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=h2o_phase_transitions</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=h2o_phase_transitions" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=liquid_mixture_separation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=liquid_mixture_separation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=salt_production</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=salt_production" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=selective_precipitation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=selective_precipitation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=iodine_sublimation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=iodine_sublimation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=solute_solvent_solution</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=solute_solvent_solution" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=carbon_14_beta_decay</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=carbon_14_beta_decay" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=carbon_diamond_structure</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=carbon_diamond_structure" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=carbon_graphite_structure</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=carbon_graphite_structure" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ch4_dispersion_force</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ch4_dispersion_force" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ch4_vsepr_ax4</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ch4_vsepr_ax4" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=co2_vsepr_ax2</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=co2_vsepr_ax2" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=crude_oil_fractional_distillation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=crude_oil_fractional_distillation" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=h2o_hydrogen_bonding</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=h2o_hydrogen_bonding" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=h2o_vsepr_ax2e2</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=h2o_vsepr_ax2e2" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=hcl_dipole_dipole</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=hcl_dipole_dipole" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=iodine_extraction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=iodine_extraction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=mixture_filtration</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=mixture_filtration" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=n2o4_2no2_add_reactant</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=n2o4_2no2_add_reactant" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=n2o4_2no2_increase_pressure</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=n2o4_2no2_increase_pressure" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=nh3_vsepr_ax3e1</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=nh3_vsepr_ax3e1" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=rutherford_scattering</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=rutherford_scattering" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=fe4_o2_3_to_fe2o3_2</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=fe4_o2_3_to_fe2o3_2" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=u238_alpha_decay</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=u238_alpha_decay" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=h2_h3_nuclear_fusion</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=h2_h3_nuclear_fusion" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=bohr_model_isotopes</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=bohr_model_isotopes" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=ch3cooh_nahco3_reaction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=ch3cooh_nahco3_reaction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=cuco3_thermal_decomposition</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=cuco3_thermal_decomposition" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=electron_config_2_8_8</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=electron_config_2_8_8" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=h2o_covalent_bonding</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=h2o_covalent_bonding" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=mg_hcl_reaction</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=mg_hcl_reaction" />
  </url>

  <url>
    <loc>https://www.chemviz3d.com/animation?id=pb_no3_2_ki_precipitation</loc>
    <lastmod>2026-03-23</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
    <xhtml:link rel="alternate" hreflang="x-default" href="https://www.chemviz3d.com/animation?id=pb_no3_2_ki_precipitation" />
  </url>

</urlset>
