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Chemistry

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Jenifer Carter

Lvl 10
2y ago
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Cards in this guide (12)
What does it mean if you are a guy and have a boyfriend

What do you mean "what does it mean"? It doesn't "mean" anything, it's just a fact.

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 is used to describe the conditions of a reaction at equilibrium

An equilibrium constant

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 causes the reaction rate to decrease as the reaction progresses

The concentration of the reactants decreases.

How does entropy change in gas reactions

Reactions that increase the moles of gas will increase in entropy.

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 of the following is a characteristic of a weak acid

It does not dissociate completely in water

What does it mean if Keq is less than 1

Reactants are favored over products in the reaction.

Which of the following is the best thermal insulator APEX

Air

(Explanation): water has a high specific heat capacity, but it can boil. stone (😂) also is a good thermal insulator, but it can get really hot. Metal is a very good thermal conductor, so it is definitely not that. Therefore, air is the best (its also really hard to boil).

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