Is heating CuSO4 5 H2O a chemical or physical change?

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Is heating CuSO4 5 H2O a chemical or physical change?

why is it chemical or physical?

2007-09-11 14:29:22 · 3 answers · asked by tha_chosen_one15 2 in Science & Mathematics ➔ Chemistry

3 answers

Both above are wrong. When you heat a hydrate it is a physical change. The water molecules are encased in the crystal matrix. There is no chemical bonding. It is also reversible. Just add water and you have a hydrate again. Only physical changes can do that.

2007-09-11 14:50:58 · answer #1 · answered by reb1240 7 · 0⤊ 1⤋

Chemical

2007-09-11 21:36:36 · answer #2 · answered by Elizabeth 1 · 0⤊ 0⤋

chemical. the water molecules evaporate when you heat it.

2007-09-11 21:45:14 · answer #3 · answered by Anonymous · 0⤊ 0⤋