Heat & Temperature

Which of the following statement is TRUE about temperature?

• The SI unit of temperature is Celcius.

• The SI unit of temperature is Kelvin.

• The SI unit of temperature is Fahrenheit.

• The SI unit of temperature is Joule.

Which temperature represents the boiling point of water?

• 273.15 K

• 0 K

• 373.15 K

• -273.15 K

Which statement is TRUE about absolute zero?

• temperature at which a thermodynamic system has the lowest energy.

• temperature at which a thermodynamic system has the highest energy.

• temperature at which a thermodynamic system has the highest pressure.

• temperature at which a thermodynamic system has the highest volume.

Which temperature represents the absolute zero temperature?

• -459.67 $o_F$

• 32 $o_F$

• 0 $o_F$

• -273.15 $o_F$

The followings are the characteristics of thermometric liquid EXCEPT...

• It needs to be clearly visible

• It should not be poisonous

• It needs to have the same thermal expansion than the container

• It needs to have a different thermal expansion than the container

Which of the following statement is FALSE about heat?

• The energy transferred between a system and the environment as a consequence of a temperature difference between them.

• The SI unit of heat is Joule.

• Heat is a derived quantity.

• A state variable that quantifies the “hotness” or “coldness” of a system.

What does it mean by negative heat?

• Heat enters the system

• Heat does not flow

• Heat leaves the system

• Heat flows from right to left

What will happen when two systems achieve thermal equilibrium condition?

• Heat does not flow between the systems

• Heat flows from system 1 to system 2

• Heat flows from system 2 to system 1

• Heat flows from system 1 to surrounding

What is molar heat capacity?

• the amount of energy that raises the temperature of 1 mol of a substance by 1 $o_F$

• the amount of energy that raises the temperature of 1 kg of a substance by 1 $o_F$

• the amount of energy that raises the temperature of 1 kg of a substance by 1 K

• the amount of energy that raises the temperature of 1 mol of a substance by 1 K

Which type of heat involves when a solid changes its state to a liquid? 

• heat of vaporization

• heat of fusion

• specific heat capacity

• molar heat capacity