WorksheetsCalorimetry BR
Total questions: 6
Worksheet time: 4mins
heat is energy and is represented by which symbol?
m
C
Q
ΔT
Change in temperature is represented by which symbol?
m
C
Q
ΔT
If the temperature of 34.4g of ethanol increases from 25 degrees C to 78.8 degrees C, how much heat has been absorbed by the ethanol? (The specific heat of ethanol is 2.44 J/g degrees C)
5673.9 J
4515.8 J
765.7 J
1.56 J
Copper has a specific heat of 0.385 J/gC. A piece of copper absorbs 5000 J of energy and undergoes a temperature change of 100 degrees C to 200 degrees C. What is the mass of the copper?
192500 g
129.9 g
300 g
75 g
The SI unit of heat and energy is the __________.
calorie
kelvin
joule
watt
(a) is the amount of heat energy needed to increase the temperature by 1 degree Celsius. Also lets us know how much heat something can retain. The units of this variable are (b)
