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Hey, I am a gr11 student and I just did a lab, and I do NOT understand a thing.
Ok, so I have hydrated Copper (II) sulfate, and basically I heated it up in a test tube in order to make it an anhydrous copper (II) sulfate compound
My question is:
-Is this a chemical or physical change?
I am seriously lost here, since the ionic compound (Copper II Sulfate) didnt change, and just the water, so I thought it was a physical change. It could also be reverted easily to the original hydrated compound, by just adding a few drops of water. On the other hand, gas was formed, and there was a change in color... so... I am really lost..yeah.. lol
Ok, so I have hydrated Copper (II) sulfate, and basically I heated it up in a test tube in order to make it an anhydrous copper (II) sulfate compound
My question is:
-Is this a chemical or physical change?
I am seriously lost here, since the ionic compound (Copper II Sulfate) didnt change, and just the water, so I thought it was a physical change. It could also be reverted easily to the original hydrated compound, by just adding a few drops of water. On the other hand, gas was formed, and there was a change in color... so... I am really lost..yeah.. lol
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