# Chemistry

Write a balanced equation for the combustion of gaseous propane (C3H8), a minority component of natural gas, in which it combines with gaseous oxygen to form gaseous carbon dioxide and gaseous water. I answered C3H8 + 5O2 = 3CO2 + 4H2O but it was wrong, any idea why?

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1. The error was: Incorrect; Try Again; 2 attempts remaining
Check that you have properly identified all of the phases in your answer.

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2. So put (g) after each component in the equation.

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3. You forgot to label

C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)

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4. I don't know why but the answer is C3H8(g)+5O2(g)--->3CO2(g)+4H2O(g)

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