Heat values

How many Joules is a calorie?

How many Joules is a kilo-calorie?

What's the range of temperature in which 1 gram (= 1 mililitre) of water can be increased by 1 degree (celsius) by exactly one calorie?

Which of the options is wrong?

• From 0 to 4 degrees Celsius, water expands on cooling.

• From 0 to 4 degrees celsius, water contracts on heating.

• From 0 to 4 degrees Celsius, water is at its highest volume.

• From 0 to 4 degrees Celsius, water is at its highest density.

State the reason why pressure leads to regelation

• The pressure lowers the Melting point of ice.

• The pressure raises the melting point of ice

• The pressure causes the molecular bonds to weaken.

• Pressure releases thermal energy

Fill in the blanks:

"The heat needed to raise the temperature of a unit of mass by 1⁰C is called ___heat

Specific heat is denoted by the letter __

Unit for Specific heat (Système Internationale)

Unit for Specific heat (CGS)

Unit for Specific heat (CGS)