7
QuizMultiple Choice

Balancing Chemical Equations

Question 7 • WCA - Physical Science A*

Kiley wants to balance the equation H2 + N2 → NH3. Which would be her first step in balancing an equation?

Answer
A
multiplying the subscripts in the atoms of the reactants together
B
adding the coefficient 3 in front of H2 and the coefficient 2 in front of NH3
C
changing the subscripts so they match for the total number of atoms
D
creating a chart that shows the number of atoms in the reactants and products
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