63. Ethylene, C2H4, used to make polyethylene plastics, can be made from ethane, C2H6, one of...

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63. Ethylene, C2H4, used to make polyethylene plastics, can bemade from ethane, C2H6, one of the components of natural gas. Theheat of reaction for the decomposition of ethane gas into ethylenegas and hydrogen gas is 136.94 kJ per mole of C2H4 formed, so it isendothermic. The reaction is run at high temperature, in partbecause at 800-900 Â°C, the equilibrium constant for the reaction ismuch higher, indicating that a higher percentage of products formsat this temperature. Explain why increased temperature drives thisreversible chemical reaction in the endergonic direction and whythis leads to an increase in the equilibrium constant for thereaction. C2H6(g) = C2H4(g) + H2(g)

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4.2 Ratings (495 Votes)

Equilibrium constant of a reaction is independent of the concentration of the starting material and the product but it is dependent upon the temperature of the reaction A reaction See Answer

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