Epsom Salt and Water

What happens when you mix Epsom salt and water?

When Epsom Salt and water where mixed, the temperature decreased. This is an endothermic reaction because energy was absorbed. The lowest temperature was 16.4 degrees Celsius and the highest temperature was 21.2 degrees Celsius.

Graph

When Epsom Salt and water where mixed, the temperature decreased. This is an endothermic reaction because energy was absorbed. The lowest temperature was 16.4 degrees Celsius and the highest temperature was 21.2 degrees Celsius.

Break down of the reaction

H2O  + MgSO4 --> H2SO4 + MgO

In this reaction, solid Epsom salt and water were mixed and makes sulfuric acid and magnesium oxide. This is a single replacement reaction. The Law of Conservation of Mass is demonstrated as follows:

reactants:                                       products

2 H                                                       2 H

1 Mg                                                     1 Mg

5 O                                                       5 O

1 S                                                        1 S

Citations

http://www.rsc.org/chemistryworld/2014/08/magnesium-oxide-mgo-podcast

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