|MadSci Network: Chemistry|
We did a science activity in class involving a solution of calcium chloride and a solution of magnesium sulfate. When the calcium chloride was added to the water and mixed around the test tube got warm. The Magnesium sulfate didn't. I thought heat was only produced by a chemical reaction. What chemical reaction is going on when calcium chloride is added to water? Does something different happen to the calcium chloride than to the magnesium sulfate?
Re: Why does calcium chloride become warm when added to water?
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