Principles of Chemistry I Exam 5

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T or F: In a chemical reaction, particles must collide and they must collide in a specific manner.

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Chemistry

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1

T or F: In a chemical reaction, particles must collide and they must collide in a specific manner.

True

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2

T or F: More collisions in a chemical reaction = faster reaction.

True

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3

Endothermic or Exothermic?

Endothermic

<p>Endothermic</p>
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4

Endothermic or Exothermic?

Exothermic

<p>Exothermic</p>
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5

Endothermic or Exothermic?

Products have lower PE than reactants.

Exothermic

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6

Endothermic or Exothermic?

Products have higher PE than reactants.

Endothermic

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7

Increasing these increases the reaction rate

Temperature, pressure, # particles

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8

Increasing these decreases the reaction rate

Volume, activation energy

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9

Optimize these for configuration effective ness

Lowest number of gas particles, simplest structure

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10

Transition state

Peak of the activation energy

<p>Peak of the activation energy</p>
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11

The catalyst does what?

Lowers activation energy

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12

PF at high T

When is this preferred?

<p>When is this preferred?</p>
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13

PF all T

When is this preferred?

<p>When is this preferred?</p>
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14

PF all T

When is this preferred?

<p>When is this preferred?</p>
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15

PF low T

When is this preferred?

<p>When is this preferred?</p>
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16

RF

When is this preferred?

<p>When is this preferred?</p>
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17

PF high T

When is this preferred?

<p>When is this preferred?</p>
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