Exam 5: Temperature and Heat

On a winter day the temperature drops from -15°C to -25°C overnight.If a pan sitting outside contains 0.20 kg of ice,how much heat is removed from the ice for this temperature change?

How much heat is necessary to change 10 g of water at 30°C into steam at 100°C?

Heat transfer that involves mass movement is

In the gas laws,the ______________ temperature scale must be used.

How much heat is necessary to change 20 g of water at 100°C into steam at 100°C?

Temperatures 1 and 2 are the ______________ and the ______________,respectively.

The piston of a cylinder containing a quantity of ideal gas is advanced so that the volume of the gas is decreased by one-half.A pressure gauge on the cylinder shows the pressure of the gas to have increased threefold in the process.By what factor does the temperature of the gas change?

To what temperature does 0°F correspond on the Celsius scale?

Which of the following has the lowest thermal conductivity?

Which of the following has the highest thermal conductivity?

The units of specific heat are

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

A temperature of -65 Kelvin is equivalent to _____ degrees Fahrenheit.

The Celsius degree is

One kelvin unit is equivalent to

A constant volume and mass of helium gas at 27°C is heated so that the pressure of the gas doubles.What is the new temperature of the gas in Celsius degrees?

A temperature of degrees 5 Fahrenheit is equivalent to _____ Kelvin.

When a material is found to have a definite volume but no definite shape,and when it assumes the shape of the container in which it is placed,what is the phase of the material?

A sample of gas has its number of molecules halved,its Kelvin temperature doubled,and its volume halved.What is the new pressure,relative to the original pressure?

If the volume and the number of molecules remain constant for a gas,a temperature increase causes the pressure to ______________.