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Chemistry

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Weldon Crona

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2y ago
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Cards in this guide (13)
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 is the purpose of a catalyst

a catalyst provides a different path for a reaction to occur

To lower the activation energy of a reaction

Catalyst vs one without catalyst What is different

what is the purpose of catalyst in textile paint?

What you mean by FSP

One defintion is Foreign Service Pension.

What information does an equilibrium constant give about a reaction

It tells whether products or reactants are favored at equilibrium

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

What makes an increase in temperature change the reactions rate

The reaction rate increase when the temperature is higher.

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

NH4+

How do changes in temperature and activation energy compare in how they affect reaction rate Apex

Changes in temperature and activation energy have opposite effects on reaction rate.

What cause the concentration of reactants to affect the reaction

The reaction rate increase when the concentration of reactants increase.

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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