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Flashcards in rate of reaction Deck (6)
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1
Q

what is enthalpy a measure of?

A

chemical potential energy

2
Q

how to calculate enthalpy change?

A

products-reactants

3
Q

what is the activation energy?

A

how much energy from reactants to top of the hill

barrier to overcome before it proceeds

4
Q

what must happen for a collision to be successful?

A

particles must collide with energy equal or greater than the activation energy

5
Q

what happens at the peak a graph?

A

unstable intermediate called the activated complex is formed

old bonds breaking new bonds formed

6
Q

what does it mean if product is lower than product?

A

need to take in energy=endothermic