Exam 5: Atomic Physics

Heat transfer that involves mass movement is

When a material is found to have a definite volume and definite shape, and when it doesn't require a container to maintain its shape, what is the phase of the material?

A ______________ is an ultra-hot collection of electrically charged particles.

A temperature of degrees 245 Fahrenheit is equivalent to _____ degrees Celsius.

The impossibility of reaching a temperature of absolute zero is incorporated in

Gas pressure is caused by molecular ______________ with the walls of the container.

The entropy of an isolated system always ______________ when natural processes occur.

A liter of water at room temperature (20°C) is heated to its boiling temperature. How many kilocalories of heat are required?

Which of the following temperature scales has the smallest unit interval?

How much heat is necessary to change 30 g of water at 100°C into steam at 100°C?

An ideal gas is confined to a container with an adjustable volume. If the number of molecules and the temperature are held constant, by what factor will the volume change when the pressure is tripled?

For a temperature of -40°F, what are the corresponding temperatures on the a. Celsius scale? b. Kelvin scale?

A heat engine

The ______________ temperature scale has no negative readings.

The SI unit of heat is the ______________.

Use the following to answer questions : -The substance is entirely a liquid between points ______________ and ______________.

Which of the following is not directly involved in the second law of thermodynamics?

How much heat is necessary to change 20 g of ice at -10°C into water at 20°C?

How much heat is necessary to change 30 g of water at 40°C into water at 60°C?

What happens to a sample of water when its temperature is reduced between 0°C and 4°C?