Practice Final Exam. Chemistry Honors

Under similar conditions, London Dispersion forces are strongest in:

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A gas has a volume of 480 mL at 90.0 mmHg pressure. What pressure is needed to change the volume of the gas to 320 mL?

• 60.0 mmHg
• 80.0 mmHg
• 100 mmHg
• 135 mmHg

At 249 kPa sample of nitrogen is heated from 86C to 107C. What pressure will the sample have at the higher temperature?

• 264 kPa
• 266 kPa
• 842 kPa
• 824 kPa

• a
• b
• c
• d

• a
• b
• c
• d

• a
• b
• c
• d

• Double replacement
• Single replacement
• Decomposition
• Synthesis

• a
• b
• c
• d

A sample of oxygen gas in a closed system has a volume of 200 milliliters at 600 K. If the pressure is held constant and the temperature is lowered to 300 K, the new volume of the gas will be -

• 400 milliliters.
• 300 milliliters.
• 100 milliliters.
• 200 milliliters.

A gas at 928 kPa, 129C occupies a volume of 569 L. Calculate the volume at 319 kPa and 32C.

• 1256 L
• 1280 L
• 1100 L
• 1400 L