1-4:Write and balance the symbolic equations. 1. magnesium hydroxide reacts with

Question

1-4:Write and balance the symbolic equations.

1.                 magnesium hydroxide reacts with hydrochloric acid in your stomach

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2.       magnesium reacts with sulfuric acid

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3.       ammonium sulfate reacts with aluminum nitrite

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4. hexane, C7H15(l) burns in the engine of your car

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Explanation / Answer

1) Mg(OH)2(s) + 2 HCl(aq) -----> MgCl2(aq) + 2 H2O(l)

2) Mg(s) + H2SO4(aq) --> MgSO4(aq) + H2(g)

3) 3 NH4SO4 + Al(NO2)3 = Al(SO4)3 + 3 NH4NO2

4) 4 C7H15(l) + 43 O2(g) ---> 28 CO2(g) + 30 H2O(g)

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