~Chemistry Final Exam Review~

Balacning Equations/Stoich

100

Balance the Equation
_{____}CH₄ +___S₂ ----> ___CS₂+____H₂S

1,2,1,2

200

___SO₂ +____O₂+____H₂O---->_____H₂SO₄

2,1,2,2

300

Consider the balanced equation below. 4.7 moles of silver nitrate will produce how many moles of silver chloride?

3AgNO₃+ AlCl₃ --->3AgCl +Al(NO₃)₃

4.7 moles

400

What is the mole ratio for gold to chloride?

2Au + 3Cl₂ ---> 2AuCl₃

2:3

500

If there are 3.70 moles of oxygen in a container at STP, what is the volume of oxygen (O₂) gas in that container?

0.165 L

Random

100

What does aqueous mean?

Is it a solution dissolved in water

200

A solution that contains equal concentrations of hydrogen and hydroxide is ____________.

neutral

300

What type of radiation is the most penetrating?

Gamma

400

New Substances formed in a chemical reaction are called?

Products

500

What is the molar mass of Calcium Hydroxide? Ca(OH)₂?

74.10g/mole

Gas Equations

100

What does "n" stand for in the ideal gas equation?

Number of moles.

200

How do you convert from Celcius to Kelvins?

Add 273.

300

What number does the letter R stand for in the ideal gas equation?

0.0821 L-atm/mol-K

400

What is the pressure of 0.33 moles of nitrogen gas, if its volume is 15.0L at -25 degrees Celsius?

0.45 atm

500

At a depth of 10mm, a diver's lung capacity is 2.40L. The air temperature is 32.0 degrees Celsius and the pressure is 101.3kPa. What is the volume of the diver's lungs at the same depth but at a temperature of 21.0 degrees celcius and a pressure of 141.20kPa.

1.66L

Chemical Reactions/ Molar mass

100

What is the molar mass of Ca(OH)₂?

74.10g/mol

200

What is the molar mass of Oxygen (O₂)?

32.00g/mol

300

The following chemical reaction is classified as?

C₃H₈+O₂-->CO₂+H₂O

Combustion

400

What is the formula for calculating molarity?

moles of solute/liters of solution

500

If you made 100mL of a 0.500M solution of barium nitrate (Ba(NO3)2), how many grams of barium nitrate did you dissolve in the 100mL solution?

13.1g

Acid, Base, and Molarity

100

What is molarity?

Molarity is the concentration of a solution as the number of moles of solute in 1 liter of solution.

200

The molarity of a solution refers to the number of moles of solute per:

Liter of solution

300

A solution with a pH of 2.0 _________

is acidic

400

What are three properties of an acid?

Contains H+ ions

Sour taste

Below 7.0

500

If you dissolve 20.0g of sodium hydroxide (NaOH) in 250 mL of water, what is the molarity of the solution?

2.00M