Gases

How do you convert Celsius to Kelvin?

• Add 273
• Subtract 273
• You can't convert those
• They are the same thing

How are pressure and volume related?

• Directly
• Indirectly
• They aren't related

0.200 atm is equal to 

• 0.00026 mm Hg and 20.3 kPa
• 0.00026 mm Hg and 2.03 kPa
• 152 mm Hg and 2.03 kPa
• 152 mm Hg and 20.3 kPa

568 mL of chlorine at 25° C will occupy what volume at -25° C while the pressure remains constant? 

• 473 mL
• 682 mL
• 130 mL
• 568 mL

A gas occupies a volume of 2.4 L at 14.1 kPa. What volume will the gas occupy at 84.6 kPa?

• 497 L
• 2.5 L
• 14 L
• 0.40 L

In order to solve problems using Charles’s Law or the Combined Gas Law the temperature must be measured in:

• Fahrenheit
• Celsius
• Kelvin
• Kitzmann

1 CaCO_3(s) --> 1 CO_2(g) + 1 CaO_(s)     How many grams of calcium carbonate will I need to form 3.45 liters of carbon dioxide?

• 22.4 g
• 0.154 g
• 15.4 g
• 154 g

The volume of a gas is increased from 150.0 mL to 350.0 mL by heating it. If the original temperature of the gas was 25^oC, what will its final temperature be (in ^oC)

• 146 ^oC
• 10.7 ^oC
• 58.3 ^oC
• 422 ^oC

In Charles law, the temperature of a gas increases, the volume of the gas will ____if the pressure remains the same. 

• decrease
• remain the same
• increase
• contract

In Boyle's law, as pressure decreases, volume ______?

• increases
• decreases
• remains constant
• none of the above