Consider the following equation in chemical equilibrium. c2h4(g) + h2(g) mc009-1.jpg c2h6(g) + 137 kj what happens to the amount of ethane (c2h6) when the temperature of the system is increased? the amount of ethane decreases. the amount of ethane increases initially and then decreases. the amount of ethane increases. the amount of ethane decreases initially and then increases.