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Chemistry

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Norberto Hirthe

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Cards in this guide (9)
An increase in temperature will cause the rate of a chemical reaction to

increased temperture causes rate or reaction to increase.

What is the equation for reaction rate

For a reaction whose slowest step is

mX + nY ----> aXY

rate = k * [X]m * [Y]n

where k is the rate constant; brackets represent concentrations; m and n are exponents on the concentrations of X and Y, respectively

Which equation is an expression of the rate law

Rate = k[A]m[B]n

Which of the following best describes an Arrhenius acid-base reaction

Acid + base salt + water

What information does an equilibrium constant give about a reaction

It tells whether products or reactants are favored at equilibrium

How does entropy change in gas reactions

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

Which of the following Ka values represent the weakest acid

Ka= 1.62 x 10-12

What increases the chance of reaction when two molecules collide

increasing the concentration in the molecue

What does it mean if Keq is less than 1

Reactants are favored over products in the reaction.

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