1) If we burn one molecule of CH4, how many molecules of CO2 will be produced? The chemical equation is: CH4 + 2O2 → CO2 + 2H2O. a) 1 b) 2 2) If we burn one molecule of CH4, how many molecules of water, H2O will be produced? The chemical equation is: CH4 + 2O2 → CO2 + 2H2O a) 1 b) 2 3) If we burn one molecule of C3H8, how many molecules of CO2 will be produced? The chemical equation is: C3H8 + 7O2 → 3CO2 + 4H2O a) 3 b) 4 4) If we burn one molecule of C3H8, how many molecules of water, H2O, will be produced? The chemical equation is: C3H8 + 7O2 → 3CO2 + 4H2O a) 3 b) 4 5) If we burn one molecule of C31H64 (candle wax) how many CO2 molecules will be produced? a) 31 b) 64 6) If we burn one molecule of C31H64 (candle wax) how many H2O molecules will be produced? a) 31 b) 64 7) Will bubbling the leftover gas from burning candle wax through limewater turn it milky? a) Yes b) No

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