A reactant R undergoes independent, irreversible first-order reactions to form two products, X and Y — Kinetics Chemistry Question
Question
A reactant R undergoes independent, irreversible first-order reactions to form two products, X and Y. The reaction to form X has an activation energy that is 20.0 kJ mol-1 higher than the activation energy of the reaction to form Y. At 50.0 °C, the yield of X is 50.0%. What is the yield of X at 70.0 °C?
A.
32.5%
B.
39.4%
C.✓ Correct
60.6%
D.
77.0%
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