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Chemistry

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Mabel Predovic

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2y ago
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Cards in this guide (10)
Is plastic a thermal conductor or insulator

It is a thermal insulator

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+

What information does an equilibrium constant give about a reaction

It tells whether products or reactants are favored at equilibrium

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

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

This is called molality.

What is a following characterizes a reaction at equilibrium

The forward and backward reactions are equal.

What of the following is a characteristic of a weak acid

It does not dissociate completely in water

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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