2. Week 1 Flashcards
1
Q
Energy
A
the capacity to do work; the amount of work that can be formed by a force
2
Q
Equation for energy
A
delta E = W + Q (work + heat)
3
Q
Joule
A
J unit of energy
4
Q
Calorie
A
unit of heat; energy needed to raise the temperature of 1 gram of water 1 degree celsius
5
Q
BTU (British thermal units)
A
unit of heat; energy needed to raise the temperature of 1 pound 1 degree fahrenheit
6
Q
Electricity
A
electrons flowing to produce an electric current
7
Q
Watt
A
unit of power; defined as joule per second
rate of energy transfer with respect to time
8
Q
Kilowatthour
A
kWh amount of energy converted if work is done at an average rate of 1,000 watts per hour
9
Q
Toe (tons of oil equivalent)
A
the amount of heat released by burning 1,000 kg (1 metric ton) of crude oil (~42 GJ)
10
Q
Gtoe, Btoe
A
billion
