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Reaction Speed
Not Solids or Liquids
A Little Soluble
Simple Cells
Acid Basics
100

Name three factors that can affect reaction rate.

Nature of the reactants, concentration of the reactants, surface area of the reactants, temperature, presence of catalyst(s) 

100

What temperature scale must always be used when doing gas calculations?

Kelvin

100

Give the solubility products equilibrium expression for iron (II) hydroxide when it has been placed in water.

Ksp= [Fe2+][OH-]2

100

Cells that are thermodynamically unfavorable.

electrolytic

100

Particles that can behave as either acids or bases are said to be

amphoteric

200

What two things must be true of particles when they collide in order for a reaction to take place?

sufficient energy and proper orientation

200

Give the value of the ideal gas constant (you must include units).

0.08206 atm L / mol K

8.314 J/mol K

200

Copper(I) bromide has a measured solubility of 2.0 × 10−4 mol/L at 25°C. Calculate its Ksp value.

Ksp = 4.0 × 10−8

200

The electrode where reduction occurs.

cathode

200

These acids don't ionize much

weak acids

300

Experiment     Initial concentration    Initial rate

1                              1.0                       13

2                              2.0                       26

3                              3.0                       39       

What is the order of the reactant described in the above data set?

1st order

300

What is Standard Temperature and Pressure?

1 atm and 273 K

300

Calculate the Ksp value for bismuth sulfide (Bi2S3), which has a solubility of 1.0 × 10−15 mol/L at 25°C.

Ksp = 1.1 × 10−73

300

What is the direction of electron flow in an electrochemical cell?

from anode to cathode

300

Give the conjugate acid of ammonia

NH4+

400

If given concentration and time data, how can you determine the order of the reaction?

graph concentration versus time, ln of concentration vs time, and 1/concentration vs time. If 1st graph is linear it is 0, if 2nd graph is linear it is 1, if 3rd graph is linear it is 2.

400

Which of the following gases will effuse at the greatest rate

carbon dioxide, oxygen, chlorine, hydrogen

hydrogen

400

If Q<Ksp what do you know about the solution?

It is unsaturated.

400

This is used to maintain electrical neutrality in a galvanic cell

salt bridge

400

Write the Ka expression for acetic acid.

Ka=[H+][C2H3O2-]/[HC2H3O2]

500
The inverse of the concentration of a reactant is graphed versus time in minutes producing a straight line. What are the units of the rate constant?

1/(M min)

500

Under the same conditions which of the following would occupy the greatest volume

44 grams of carbon dioxide, 16 grams of oxygen, 15 grams of water vapor, 1.0 grams of hydrogen

CO2
500

Calculate the solubility of solid CaF2 (Ksp = 4.0 × 10−11) in a 0.025 M NaF solution.

6.4 × 10-8 mol/L

500

This is a measure of the the electromotive force of the electrons as they travel in an electrochemical cell?

cell potential

500

Write the equilibrium expression for an aqueous solution of ammonia.

Kb = [NH4+][OH-]/[NH3]