Chemical Reaction Engineering
A catalyst in a chemical reaction __________ free energy change in the reaction.

Decreases
Neither A nor B
Increases
Either A or B; depends on the type of catalyst

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Chemical Reaction Engineering
The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the

Increased temperature reduces the activation energy
Value of threshold energy decreases
Fraction of molecules having threshold energy increases
Collision frequency increases

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Chemical Reaction Engineering
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant

Decreases with pressure
Is independent of pressure
Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction
Increases with pressure

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