Gas Laws
Stoichometry
Factors of solubility
Polarity
Molarity
100

If the temperature of a gas goes up the pressure goes _______

A. Up

B. Down

Up

100

2Fe2O3 + 3C  --> 4Fe + 3CO2  

How many moles of C are required to completely react with 14.251 moles of Fe2O3 (hematite)?

21mol

100

Agitating will ______ the rate of solubility

A. Increase

B. Decrease

increase

100

The Hydrogen in water is...

A. Positive

B. Negative

Positive

100

How many moles of LiCl are used to make 2.5 liter of 1.06 M LiCl solution?

M= n/L

2.65 moles

200

5 gases occupy a container. The first gas has a pressure of 0.25 atm, second gas at 3.6 atm, third gas at 44 atm, forth gas at 10 atm and the fifth gas at 2.5 atm. What is the total pressure in the container?

60.35 atm

200

2Fe2O3 + 3C  --> 4Fe + 3CO2

How many grams of Fe2O3 must react to generate 0.986 moles of Fe?  (molar mass of Fe2O3: 159.7g/mol)

78 g

200

Decreasing temperature will________ the solubility of a gas

A. Increase

B. Decrease

increase

200

The Oxygen in water is 

A. Positive

B. Negative

Negative

200

How many moles of NaCl are in 3.5L of a 1.5M solution of NaCl?

M= n/L

5.25

300

If the volume of a gas is 2.0 L at a pressure of 1.0 atm, what will the volume be if the pressure is changed to 2.0 atm at constant temperature?

P1V1=P2V2

1.0L

300

2Fe2O3 + 3C  --> 4Fe + 3CO2

How many liters of CO2 will be generated if 2.774 moles of C completely react? (22.4 L/mol) 

62 L

300

Decreasing Surface are will ______ the rate of solubility.

A. Increase

B. Decrease

decrease

300

What can dissolve polar substances?

A. something non polar

B. something polar

Something polar

300

If you have 4.1 moles of glucose and want to make a 0.25 M solution with it, what will be the final volume of the solution?

M= n/L

16.4

400

A gas has a pressure of 120 kPa at a temperature of 200 K. What will be its pressure at a temperature of 400 K, if the volume remains constant? 

P1/T1 = P2/T2


240 kPa

400

NH3 + O2 --> NO + H2O

How many Liters of NO are produced from 30 liters of O2?

30 L

400

Decreasing Pressure ______ the solubility of a gas

A. Increase

B. Decrease

Decrease

400

If something positive is in water will the hydrogens or the oxygens surround it?

Oxygens

400

70 moles of KF are dissolved to make .900 L of solution. What is the molarity?

M= n/L

77.8

500

What is the volume of 0.50 moles of a gas at a pressure of 1.0 atm and a temperature of 273 K? (R=.0821 For atm Pressure, or 8.31 For kPa Pressure, or 62.4 For mmHg Pressure)

PV=nRT

11.2 L

500

6Mg + P4 --> 2Mg3P2

What mass of P4 is required to completely react with 73.4 grams of Mg? (molar mass of P4: 124g/mol. Molar mass of Mg: 24 g/mol)

63.2 g

500

what is the name of the thing that is dissolved?

A. solute

B. solution

C. solvent 

Solute

500

What does Adhesion mean?

A. Water sticks to water

B. Water sticks to everything else

Water sticks to everything else

500

How many liters of solution are needed to make a 1.66 M solution containing 2.11 moles of KMnO4?

M= n/L

1.27 L