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Chemistry

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Cards in this guide (13)
What is the purpose of a catalyst

a catalyst provides a different path for a reaction to occur

To lower the activation energy of a reaction

What are m and n in the rate law equation

They are experimentally determined exponents

What causes pressure changes of reactants to affect the reaction rate

The frequency of collisions is changed.

How does increasing the temperature affect collisions

It increases the number of high-energy collisions

Which of the following acts as a catalyst in catalytic converters

Metal

How is the effect of concentration changes on the reaction rate seen in the rate law

The exponents determine how much concentration changes affect the reaction rate

Why does a reaction slow down with time

The reactant concentrations decrease

What would happen to the rate of a reaction with rate law kNO2H2 if the concentration of NO were doubled

the rate would be four times larger. apex

What is the rate constant of a reaction if rate 1 10-2 molLs A is 2 M B is 3 M m 2 and n 1

4.5 (moI/L)/s -apex

Which has the largest rate constant k

Dynamite exploding

What information does an energy diagram give

It shows the energy requirements needed in order for a reaction to occur.

What is the rate of a reaction if the value of k is A and B are each 2 M

24

What is a rate law

An equation that relates the reaction to the concentrations of the reactants

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