The Complete Combustion of Phenylhydrazine,C₆H₅NHNH₂,with the Oxidizer Dinitrogen Tetraoxide Is

question 129

Multiple Choice

The complete combustion of phenylhydrazine,C₆H₅NHNH₂,with the oxidizer dinitrogen tetraoxide is shown in the following equation:
__ C₆H₅NHNH₂ + __ N₂O₄ → __ CO₂ + __ H₂O + __ N₂
When this equation is balanced,the sum of all the coefficients (using smallest whole numbers) is

• A)30.
• B)20.
• C)25.
• D)10.
• E)15.

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