Which of the following factors increases the rate of a chemical reaction by decr

Question

Which of the following factors increases the rate of a chemical reaction by decreasing the activation energy barrier? The substrate in an enzyme-controlled biological reaction is a The rate of an enzyme reaction is proportional to the concentrations of both substrate and enzyme The solid catalysts used in many industrial processes where the reactants are liquids or gases are referred to Consider the gas-phase equilibrium A B. In a series of experiments, different initial amounts of A and E mixed together, and the mixture in each case allowed to come to equilibrium. Which one of these experiment would yield values for the amounts of A and B present at equilibrium different from all the other experiment If the equilibrium constants for the two reactions respectively, then the equilibrium constant fix the reaction

Explanation / Answer

12)
catalyst provide alternate path with lower activation energy
Answer: c
13)
Substrate are reactants
Answer: b
15)
Answer d
It is heterogeneous because state is different for catalyst than the reactnts
16)
Total number of moles at equilibrium = total moles at starting
It is 7.5 moles for all except for c
Answer: c

I am allowed to answer only 4 question at a time

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