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Chemistry

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Wilber Greenholt

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2y ago
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Cards in this guide (13)
What must be known for the rate constant to be calculated from the rate law

The reaction rate at known reactant concentrations.

Which of the following best describes a neutralization reaction

Answer this question… Which of the following best describes a neutralization reaction? A. Acid + base H+ + OH- B. Acid + base salt + water C. Acid + base metal + nonmetal D. Acid + base H2O + H3O+

Which of the following acts as a catalyst in catalytic converters

Metal

How can the rate constant be determined from the rate law

The rate constant is the reaction rate divided by the concentration terms.

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)

Why does a reaction slow down with time

The reactant concentrations decrease

What is true of an Arrhenius acid

An Arrhenius acid donates H+ ions. (apex).

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

How does increasing temperature increase the number of reactions

It increases the collisions that have enough energy to react (apex)

Which has the largest rate constant k

Dynamite exploding

What of the following is necessary to determine the rateof the reaction using the rate law

The concentrations of the reactants

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

Reaction rate increase when the concentration increase.

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