Which is the next logical step in balancing the given equation? n2 + o2 → no2 a. place the coefficient 2 in front of oxygen and nitrogen dioxide. b. place the coefficient 3 in front of oxygen and nitrogen dioxide. c. the equation is already balanced. d. change the subscript of the nitrogen molecule to 1.

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Which is the next logical step in balancing the given equation? n2 + o2 → no2 a. place the coefficient 2 in front of oxygen and nitrogen dioxide. b. place the coefficient 3 in front of oxygen and nitrogen dioxide. c. the equation is already balanced. d. change the subscript of the nitrogen molecule to 1.

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To balance the given equation, we apply elemental equilibrium and count each element on each side. There are 2 nitrogen in the left so there should be 2 moles of NO2. Since there are already 4 O molecules in the right side, there should be 2 O2 molecules. So the answer is a. Put the coefficient 2 in front of oxygen and nitrogen dioxide.