which of the following satements regarding energy changes during a reaction are

Question

which of the following satements regarding energy changes during a reaction are true? select all that apply
A) Decreasing the temp decreases the kinetic energy of the reactants, and the reaction goes more slowly
B) Two or more atoms must collide, with proper orientation, with energy greater than or equal to the activation energy for a reaction to occur
C) Increasing the concentration of reactants increases the number of collisions, and the reaction goes faster
D) When the activation energy is high, the reaction rate is fast
E) The energy of a collision between atoms or molcules must be greater than the activation energy(Ec) for bonds to be broken
F) If the heat of reaction AH, is negative the energy of the poducts is higher than the energy of the reactants and the reaction is exothermic
G) The activation energy(Ea) of the forward reaction is the difference between the energy of tghe products and the energy of th transition state

Explanation / Answer

B) C) E)

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