# Problem: Step 1: Write each formula and balance each formula using SUBSCRIPTS. Step 2: Balance the overall equation using coefficients. 1. hydrogen + chlorine → hydrogen chloride H2 + Cl2 → HCl2. carbon + water → carbon monoxide + hydrogen C + H2O → CO + H23. calcium oxide + water → calcium hydroxide CaO + H2O → Ca(OH)2

###### FREE Expert Solution

We are already given the equation for the reaction. So, let’s balance them.

Recall that when balancing chemical equations, we have to make sure that the number of elements on both sides is equal to the lowest whole number coefficients.

90% (84 ratings) ###### Problem Details
Step 1: Write each formula and balance each formula using SUBSCRIPTS.
Step 2: Balance the overall equation using coefficients.

1. hydrogen + chlorine → hydrogen chloride H2 + Cl2 → HCl
2. carbon + water → carbon monoxide + hydrogen C + H2O → CO + H2
3. calcium oxide + water → calcium hydroxide CaO + H2O → Ca(OH)2

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