Chemical reactions Flashcards

1
Q

Whats happens in a exothermic reaction?

A

Energy lost to surroundings(given out)

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2
Q

What happens in an endothermic reaction?

A

Energy is taken in

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3
Q

What are the 4 factors that affect the rate of a reaction?

A
  1. Temperature
  2. Concentration
  3. Catalyst
  4. Surface area
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4
Q

What do catalysts do?

A

Speed up the rate of a a reaction

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5
Q

What are catalytic converters used in?

A

Vehicle exhausts

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6
Q

What do higher temperatures do?

A

Increase collisions

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7
Q

What does a higher concentration/pressure do?

A

Increase collisions

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8
Q

What does a larger surface area do?

A

Increase collisions

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9
Q

What does adding a catalyst do?

A

Increase the number of SUCCESSFUL collisions

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