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Calcium carbide - Revision history
2026-10-14T09:04:46Z
Revision history for this page on the wiki
MediaWiki 1.46.2
https://wikiciv.org/index.php?title=Calcium_carbide&diff=3474&oldid=prev
Mathematician: Fact checked and added categories
2025-05-07T16:04:48Z
<p>Fact checked and added categories</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 16:04, 7 May 2025</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><big>Calcium carbide is a chemical compound with the formula <del style="font-weight: bold; text-decoration: none;">CaC2</del>. It is a <del style="font-weight: bold; text-decoration: none;">colourless </del>or white powder, however it is grey/brow/black <del style="font-weight: bold; text-decoration: none;">cristals </del>if impure.</big></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><big>Calcium carbide <ins style="font-weight: bold; text-decoration: none;">(also known as calcium acetylide) </ins>is a chemical compound with the formula <ins style="font-weight: bold; text-decoration: none;">[[Calcium|Ca]][[Carbon|C]]<sub>2</sub></ins>. It is a <ins style="font-weight: bold; text-decoration: none;">colorless </ins>or white powder, however it is grey/brow/black <ins style="font-weight: bold; text-decoration: none;">crystals </ins>if impure.</big></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= <big>Production</big> =</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= <big>Production</big> =</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>It is made by heating a mixture of [[lime<del style="font-weight: bold; text-decoration: none;">]] </del>(calcium oxide) and [[<del style="font-weight: bold; text-decoration: none;">coal</del>]] <del style="font-weight: bold; text-decoration: none;">(carbon) </del>to upwards of 2200°C. <del style="font-weight: bold; text-decoration: none;">This could </del>be achieved <del style="font-weight: bold; text-decoration: none;">by putting </del>the <del style="font-weight: bold; text-decoration: none;">mixture </del>in a <del style="font-weight: bold; text-decoration: none;">coal fire and pumping </del>or <del style="font-weight: bold; text-decoration: none;">blowing </del>a <del style="font-weight: bold; text-decoration: none;">lot of air inside which will increase the </del>temperature of <del style="font-weight: bold; text-decoration: none;">the coals significantly</del>. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>It is made by heating a mixture of [[lime<ins style="font-weight: bold; text-decoration: none;">|lime </ins>(calcium oxide)<ins style="font-weight: bold; text-decoration: none;">]] </ins>and [[<ins style="font-weight: bold; text-decoration: none;">Coke(Fuel)|coke (fuel)</ins>]] to upwards of 2200°C. <ins style="font-weight: bold; text-decoration: none;">Although this can </ins>be achieved <ins style="font-weight: bold; text-decoration: none;">at slightly lower temperatures, </ins>the <ins style="font-weight: bold; text-decoration: none;">carbon monoxide will not decompose or react with substances </ins>in <ins style="font-weight: bold; text-decoration: none;">the air, thus creating </ins>a <ins style="font-weight: bold; text-decoration: none;">hazard. This is <u>not</u> recommended with traditional combustion (such as wood [[Kiln|kilns]] </ins>or <ins style="font-weight: bold; text-decoration: none;">open [[Fire|flames]]) due to difficulties in attaining </ins>a <ins style="font-weight: bold; text-decoration: none;">high </ins>temperature <ins style="font-weight: bold; text-decoration: none;">for a sufficiently long duration, instead use </ins>of <ins style="font-weight: bold; text-decoration: none;">a method such as an [[electric arc furnace]] is encouraged</ins>. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''CaO + 3 C → <del style="font-weight: bold; text-decoration: none;">CaC2 </del>+ CO''' </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''<ins style="font-weight: bold; text-decoration: none;">[[Lime|</ins>CaO<ins style="font-weight: bold; text-decoration: none;">]]() </ins>+ 3 <ins style="font-weight: bold; text-decoration: none;">[[Carbon|</ins>C<ins style="font-weight: bold; text-decoration: none;">]](s) </ins>→ <ins style="font-weight: bold; text-decoration: none;">[[Calcium|Ca]][[Carbon|C]]<sub>2</sub>() </ins>+ <ins style="font-weight: bold; text-decoration: none;">[[Carbon monoxide|</ins>CO<ins style="font-weight: bold; text-decoration: none;">]](g)</ins>''' </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= <big>Uses</big> =</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>= <big>Uses</big> =</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><big>[[Acetylene]] production <del style="font-weight: bold; text-decoration: none;">trough </del>the reaction with water</big>.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><big>[[Acetylene<ins style="font-weight: bold; text-decoration: none;">]] and [[calcium hydroxide</ins>]] production <ins style="font-weight: bold; text-decoration: none;">through </ins>the reaction with water</big>.</div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''[[Calcium|Ca]][[Carbon|C]]<sub>2</sub>(s) + 2 [[Water|H<sub>2</sub>O(]]<nowiki/>l) → [[Acetylene|C<sub>2</sub>H<sub>2</sub>]](g) + [[Calcium|Ca]]([[Hydroxide|OH]])<sub>2</sub>(aq)'''</ins></div></td></tr>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[Category:Chemical compounds]]</ins></div></td></tr>
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Mathematician
https://wikiciv.org/index.php?title=Calcium_carbide&diff=3366&oldid=prev
Energetics Chemist: Added details on how to achieve the targeted temperature and made everything a little more visible.
2025-05-06T21:20:11Z
<p>Added details on how to achieve the targeted temperature and made everything a little more visible.</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 21:20, 6 May 2025</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Calcium carbide is a chemical compound with the formula CaC2. It is a colourless or white powder, however it is grey/brow/black cristals if impure.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><big></ins>Calcium carbide is a chemical compound with the formula CaC2. It is a colourless or white powder, however it is grey/brow/black cristals if impure.<ins style="font-weight: bold; text-decoration: none;"></big></ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>= Production =</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>= <ins style="font-weight: bold; text-decoration: none;"><big></ins>Production<ins style="font-weight: bold; text-decoration: none;"></big> </ins>=</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>It is made by heating a mixture of [[lime]] (calcium oxide) and [[coal]] (carbon) to upwards of 2200°C. </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>It is made by heating a mixture of [[lime]] (calcium oxide) and [[coal]] (carbon) to upwards of 2200°C<ins style="font-weight: bold; text-decoration: none;">. This could be achieved by putting the mixture in a coal fire and pumping or blowing a lot of air inside which will increase the temperature of the coals significantly</ins>. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>CaO + 3 C → CaC2 + CO </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''</ins>CaO + 3 C → CaC2 + CO<ins style="font-weight: bold; text-decoration: none;">''' </ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>= Uses =</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>= <ins style="font-weight: bold; text-decoration: none;"><big></ins>Uses<ins style="font-weight: bold; text-decoration: none;"></big> </ins>=</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[Acetylene]] production trough the reaction with water.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"><big></ins>[[Acetylene]] production trough the reaction with water<ins style="font-weight: bold; text-decoration: none;"></big></ins>.</div></td></tr>
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Energetics Chemist
https://wikiciv.org/index.php?title=Calcium_carbide&diff=3365&oldid=prev
Energetics Chemist: I've added appearance, production with lime and coal and uses as in creating acetylene.
2025-05-06T21:14:03Z
<p>I've added appearance, production with lime and coal and uses as in creating acetylene.</p>
<p><b>New page</b></p><div>Calcium carbide is a chemical compound with the formula CaC2. It is a colourless or white powder, however it is grey/brow/black cristals if impure.<br />
<br />
= Production =<br />
It is made by heating a mixture of [[lime]] (calcium oxide) and [[coal]] (carbon) to upwards of 2200°C. <br />
<br />
CaO + 3 C → CaC2 + CO <br />
<br />
= Uses =<br />
[[Acetylene]] production trough the reaction with water.</div>
Energetics Chemist