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Chemistry

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Caroline Cronin

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Cards in this guide (13)
What is internal scale

buang ka!

What is the conjugate acid pair of Cl

HCL is the conjugate acid pair of Cl.

And Cl is the conjugate base pair of HCl.

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)

What is always true of a weak acid

It will not dissociate 100% in water.

Why does a reaction slow down with time

The reactant concentrations decrease

What happens in a Lewis acid-base reaction

An acid accepts an electron pair from a base.

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)

What is true of a Brnsted Lowry base

Bornsted Lowry base is an acid base reaction theory. The ideal came from Johannes Nicolaus Bronsted and Thomas Martin Lowry in 1923. The theory is that acid can lose or donate a proton.

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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