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Chemistry

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Shanon Bosco

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2y ago
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Cards in this guide (12)
Is plastic a thermal conductor or insulator

It is a thermal insulator

An increase in temperature will cause the rate of a chemical reaction to

increased temperture causes rate or reaction to increase.

Which equation is an expression of the rate law

Rate = k[A]m[B]n

What causes the reaction rate to decrease as the reaction progresses

The concentration of the reactants decreases.

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 of following KB values represent the strongest base

Kb = 1.8 x 10-5 (apple x)

What describes a reaction that reaches equilibrium

The product and reactants reach a final, unchanging level.

What information does an acid or base equilibrium constant give

The information an acid or base equilibrium constant gives is that the acidity and base levels are equal to the equilibrium constant multi[plied by the water concentration.

Which of the following best describes a bronsted lowry acid base reaction

Acid + Base = Salt+Water (APEX)

A concentration unit expressed in units of moles of solute per kilogram of solvent

This is called molality.

What equation shows how rate depends on concentrations of reactions

The equation is called the rate law equation. For the reaction aA+bB =>cC+dD the rate law would be rate = k[A]^m[B]^n where k is the rate constant and m and n are the "order" with respect to each reactant. m and n must be determined experimentally and may or may not be the same as the coefficients a and b.

What does it mean if Keq is less than 1

Reactants are favored over products in the reaction.

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