$C_2{H}_{6(g)}+O_{2(g)}C{O}_{2(g)}+H_2{O}_{(l)},H=-2847\mathrm{.}6kJ$

What effect would the following changes have on the concentration of all substances at

equilibrium? State whether the amount of each chemical will increase or decrease after

each change. Use Le Ch$$telier$\text{'}$s principle to support your answers.

a$.$ The temperature of the container used for the reaction increases.

b$.$ The pressure increases.

c$.$ A catalyst is added.

d$.$ The volume of the container increases.

e$.O_2$ increases.