How many cubic meters of carbon monoxide (IV) are formed during combustion: a) 5 m3 of ethane; b) 5 kg of ethane?

Decision:

1. Let’s compose the reaction equation:

2C2H6 + 7O2 = 4CO2 + 6H2O;

1.5 cubic meters equals 5000 liters. Let’s find the amount of substance in ethane of a given volume:

5000 / 22.4 = 223.214 mol;

1. Carbon dioxide has a coefficient twice as large, the amount of substance it has is 446.428 mol. Its volume is equal to:

446.428 * 22.4 = 10000 liters (10 cubic meters);

1. Let’s find the amount of substance in ethane weighing 5 kg:

5000/30 = 166.67 mol;

1. The amount of substance in carbon dioxide is 333.34 mol. Let’s find its volume:

333.34 * 22.4 = 7467 liters (7.467 cubic meters)

Answer: when 5 m3 of ethane is burned, 10 m3 of carbon dioxide is formed; combustion of 5 kg of ethane produces 7.467 m3 of carbon dioxide.