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MCAT Book

### Instantaneous Rate

delta[reactant]/deltat

deltat is a very small increment of time

this is seen as the tangent to the curve at any point

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As the [A] is changed, the rate does not change.

The rate is __.

The order with respect to A is __.

Unaffected

0

The graph is a straight line with no slope ([A] vs rate)

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As the [A} is changed, the rate changes proportionally. If [A] is doubled, the rate ___ and so on.

The order with respect to A is __.

Doubled

1

the graph has a slope of 1

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As the [A] is changed, the rate changes as the square of the change in the concentration. If [A] is doubled, the rate ___ and so on.

The order with respect to A is __.

Quadruples

2

the graph increase exponentially