hello friends I need help with chemistry Using half-integer coefficients Many ch

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hello friends I need help with chemistry

Using half-integer coefficients

Many chemical equations can be balanced by simply balancing the number of each type of atom in the reactants and products one by one. Take for example the combustion of methane, which has the unbalanced chemical equation:

1 Use the method of integer coefficients outlined above to balance the following chemical equations. HNO3 H20 nitric magnesium magnesium water acid oxide nitrate 3 Mgc2 Mg magnesium hydrogen chloride hydrochloric magnesium acid CaCO3 water Calcium chloride hydrochloric Carbon dioxide carbonate acid

Explanation / Answer

a) MgO + 2 HNO3 = Mg(NO3)2 + H2O

b) Mg + 2 HCl = MgCl2 + H2

c) CaCO3 +2 HCl = CO2 + H2O + CaCl2

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