Thermochemistry Flashcards
(12 cards)
1
Q
Heat?
A
Energy transferred between matter because of temp
2
Q
System
A
Portion of the universe we are studying
3
Q
Surroundings?
A
Everything outside of system
4
Q
Calorimeter?
A
Device used to measure amounts given off or absorbed in a chemical or physical changes
5
Q
SI unit of energy
A
Joules
6
Q
1 calorie=… Joules
A
4.184 joules
7
Q
1 Calorie=… calories
A
1000
8
Q
1 kJ=… Joules
A
1000 joules
9
Q
Letter to represent heat?
A
Q
10
Q
Specific heat?
A
Amount of energy needed to raise the temp of 1g of substance by 1 Celsius or kelvin
11
Q
Specific heat of water?
A
4.184 j/g*c
12
Q
Temp?
A
Measures hotness or coldness of matter. Measured in kelvins Celsius or Fahrenheit
