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If you add 10ml of hot water to 10ml of cold water and the change in tempature 8°c calculate how much energy is gained by the cold water

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?