semester final f24

Front

Balance the equation: __CF4 + __Br2 --> __CBr4 + __F2

Back

1,2,1,2

Front

Calculate the volume that a 0.323-mol sample of a gas will occupy at 265 K and a pressure of 0.900 atm.

Back

7.81 L

Front

What is a coefficient in a chemical equation?

Back

The large number to the left of a formula.

Front

Where are the least reactive metals located in the activity series?

Back

At the bottom; the most reactive metals are at the top.

Front

If a hairspray can is heated, what happens to the pressure of the gas inside?

Back

The pressure will increase.

Front

What is the ideal gas law equation?

Back

PV = nRT

Front

Define molarity.

Back

Molarity is the number of moles of solute per liter of solution.

Front

What is the significance of the gas constant (R) in the ideal gas law?

Back

R is a proportionality constant that relates pressure, volume, temperature, and number of moles.

Front

What happens to gas pressure when temperature increases at constant volume?

Back

The pressure increases.

Front

What is the relationship between pressure and volume in Boyle's Law?

Back

Pressure and volume are inversely related at constant temperature.