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| 5. |
Which of the following statements best describes the condition(s) needed for a successful formation of a product in a chemical reaction? |
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(A) |
The collision must involve a sufficient amount of energy, provided from the motion of the particles, to overcome the activation energy. |
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(B) |
The relative orientation of the particles has little or no effect on the formation of the product. |
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(C) |
The relative orientation of the particles has an effect only if the kinetic energy of the particles is below some minimum value. |
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(D) |
The relative orientation of the particles must allow for formation of the new bonds in the product. |
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(E) |
The energy of the incoming particles must be above a certain minimum value and the relative orientation of the particles must allow for formation of new bonds in the product. |
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| 6. |
The catalyzed pathway in a reaction mechanism has a _____ activation energy and thus causes a _____ reaction rate. |
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(A) |
higher, lower |
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(B) |
higher, higher |
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(C) |
lower, higher |
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(D) |
lower, steady |
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(E) |
higher, steady |
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