Acids and Bases
Equilibrium
Theory
Math
Labs
100
A substance that donates a hydrogen ion (a proton).
What is a Bronsted-Lowry acid?
100
When the rate of the forward reaction equals the rate of the reverse reaction.
What is equilibrium?
100
The negative log of the hydrogen (hydronium) ion concentration.
What is pH?
100

A solution with a pOH of 5.6 is considered this

What is basic?

100

The process in which an acid-base neutralization reaction is used to determining the concentration of a solution.

What is titration?

200
This type of substance contains an ionizable hydroxide group.
What is an Arrhenius base?
200

The ratio of the molar concentrations of the products to the molar concentration of the reactants with each concentration raised to the power equal to its coefficient in the balanced chemical equation.

What is the equilibrium constant?

200

The relative amount of reactants and products when K = 1

What is the concentration of reactants and products are relatively equal?

200

The [OH-] of a solution with a pH of 5

What is [OH-]= 1 E-9 M?

200

A method for precisely measuring and transferring a specific small volume of liquid that utilizes suction

What is pipetting?

300
A solution that resists changes in pH.
What are buffers?
300

Phases of matter left out of the equilibrium expression

What are solids and liquids?

300

Ag+(aq) + Cl-(aq) ⇄ AgCl(s) Will the equilibrium shift to the left or the right if Ag+ added? 

What is shift right?
300

The final concentration of a 5M stock solution after undergoing three 1:10 dilutions 

What is 0.005 M?

300
The point in a titration where the concentration of the acid and the added base (or the base and the added acid) are equal.
What is the equivalence point?
400

Lemon juice, vinegar, and HCl all have these type of pH values

What is less than 7?

400

The K value of a strong acid 

What is high?

400

2 SO2(g) + O2(g) ⇄ 2 SO3(g) + heat Will the equilibrium constant increase or decrease if the temperature is lowered? 

What is K will increase as temperature decreases?

400

The equilibrium constant for the following system:

At equilibrium, a 2.0L flask contains: 0.075 mol of PCl5, 0.050 mol of H2O, 0.750 mol of HCl, 0.500 mol of POCl3 

PCl5 (s) + H2O (g) ⇄ 2 HCl (g) + POCl3 (g)

What is K = 1.4 ?;

400
Substances that change color in response to pH changes.
What are pH indicators?
500

Baking soda, ammonia, NaOH, and soap are all examples of this type of solution

What are bases?

500

The K value of a weak base

What is a very small number?

500

An example of an amphiprotic substance

What is water (or a variety of other substances... like HCO3-, HSO4-, HPO4-2, etc)?

500

The concentration of HCl that requires 15ml of 0.1M NaOH to turn 30 mL of the acid (with phenolphthalein) pink

What is 0.05 M?

500

The purpose of rinsing the buret with titrant prior to using the buret in an acid-base titration

What is to ensure that the titrant is the intended concentration in the buret?

M
e
n
u