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Chemistry

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Andreane Homenick

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4y ago
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Cards in this guide (12)
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 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

What does the pH of a solution depend on

The molarity. The hydrogen ion concentration.

If given the Ka just use the Henderson-Hasselbach equation

pH=pKa+log(base/acid)

What happens to the potential energy of the molecules in a reaction

The potential energy of the molecules change during a reaction.

Why does a reaction slow down with time

The reactant concentrations decrease

What information does the rate constant give from the rate law

It tells how much the reaction rate is affected by concentrations.

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 a rate law

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

which of the following is an example of an Arrhenius acid

HI

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