Glass Lid Case/
/The chemical changes of magnesium sulphate and cobalt chloride?

This question is driving me crazy. "Some cans of biscuits are a bottle glass for drying material in the lid to keep the crackers. In many cases, the material is a mixture of magnesium sulphate and cobalt chloride indicator. As magnesium sulfate absorb moisture (MgSO4.H2O + 6H2O> MgSO4.7H2O) indicator changes color from blue to pink (CoCl2.4H2O + 2H2O> CoCl2.6H2O). When this mixture becomes totally dry rose, which can be restored if heated in a furnace. Which two changes are caused by global warming? Well, I get the fact that warming produces evaporation, but with two changes, mean that the answer might be that the MgSO4 loses water and CoCl2 loses water? This is driving me crazy.

Does the fact that your heating system gives a clue?

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/kinetic energy through a sealed glass case illusion
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