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TRUE or FALSE? please explain each answer a) For the reaction A 2B, the rate of

ID: 1062722 • Letter: T

Question

TRUE or FALSE? please explain each answer

a) For the reaction A 2B, the rate of the reaction is 2(d[B]/dt)

b) For the reaction A + B 2C, -d[B]/dt=-d[A]/dt=2d[C]/dt

c) For the reaction 2 A B, it is always true that -(1/2)(d[A]/dt)= [A]2

d) If a reaction is second order with respect to a particular reactant, doubling the concentration of that reactant doubles the rate of the reaction.

e) If the activation energy of a reaction is very small, the rate of the reaction will not be sensitive to the temperature at which it is carried out.

f) Reactions with very negative G values have lower activation energies.

Explanation / Answer

a) False , (   For the reaction A 2B, the rate of the reaction is 1/2(d[B]/dt) )

b) false ,   ( For the reaction A + B 2C, -d[B]/dt =-d[A]/dt = 1/2d[C]/dt )

c) false

d) false ( if concentration double , the rate of reaction will be four times higher)

e) false

f) true