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Chemistry

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Melyssa Goodwin

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4y ago
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Cards in this guide (10)
What is the pH of water

The pH of highly purified water is exactly 7.0 by definition.

NO: the Ph scale. pH is ALWAYS spelled in exactly this way, and not in some other way that you made up.

+++

The third sentence is correct: it is pH, not Ph.

What you mean by FSP

One defintion is Foreign Service Pension.

How does a solution with a pH of 7 compare to a solution with a pH of 9

A solution with a pH of 7 compared to a solution with a pH of 9 would be more acidic.

Why does a reaction slow down with time

The reactant concentrations decrease

What is true of an Arrhenius acid

An Arrhenius acid donates H+ ions. (apex).

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

What is an example of bronsted Lowry base

NH3

Which if the following is an example of a bronsted-lowry acid

NH4+

What is conjugate base of HPO42-

(PO4)3- is considered the conjugate base.

How would a change in pressure affect a gaseous system in equilibrium, according to Le Chatelier's principle

The answer is "The equilibrium would shift to reduce the pressure change" on Apex

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