Kinetic Molecular Theory & Gas Characteristics

In order to convert degrees Celsius to Kelvin you should _______

• add 273

• subtract 273

• multiply by 1.8 and add 23

• add 100

25 degrees Celsius is ___________ K

• -248

• 298

• 125

• -125

Is the following a characteristic of real gases, ideal gases, or both?: particles move in random straight line motion.

• Real

• Ideal

• Both

1. Under which conditions does a real gas behave very much like an ideal gas?

• high temperature and low pressure

• high temperature and high pressure

• low temperature and high pressure

• low temperature and low pressure

1. What is the name given to a gas whose particles follow the three assumptions of the kinetic molecular theory?

• Real Gas

• Noble gas

• Ideal gas

• Diatomic gas

What pressure in mmHg is equal to 1.43 kPa?

• 1.43 mmHg
• 10.7 mmHg
• 101.325 mmHg
• 760 mmHg

What pressure in kPa is equal to 2.65 atm?

• 268 kPa
• 0.0261 kPa
• 39.0 kPa
• 265 kPa

There are ideal gases in nature

• True

• False

Temperature and average KE energy are directly propotional

• False

• True

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50