P1 - Heating houses Flashcards
1
Q
What is temperature?
A
Temperature is a measurement of how hot something is.
2
Q
What is heat?
A
Heat is a measurement of energy.
3
Q
What is the unit of temperature?
A
*C (Degrees celsius)
4
Q
What is the unit of heat?
A
Joules (J)
5
Q
What is latent heat?
A
The energy needed to change the state of something.
6
Q
What is specific heat capacity?
A
The amount of energy needed to change the temperature or 1kg of a substance by 1*C.
7
Q
What is the units of shc?
A
J/kg*c
8
Q
What is the equation for energy transfer?
A
Energy transfer = mass x shc x delta t
9
Q
Why is there no change in temperature during a change of state?
A
This is because energy is used to break bonds that hold molecules together.
