WorksheetsEnthalpy and Specific Heat
Total questions: 20
Worksheet time: 9mins
What letter is used to represent specific heat capacity?
H
P
C
T
What is Specific Heat Capacity?
The amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
The amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
The amount of energy required to increase the temperature of 1kgof a material by 1°C.
The amount of friction required to increase the temperature of 1kgof a material by 1°C.
The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?
66.5 J
665 J
0.0266 J
0.665 J
Determine the heat energy needed to heat the water in the pot to boiling.
The specific heat(c) of copper is 0.39 J/g °C. What is the temperature change(∆t) when 100 Joules of heat(Q) is added to 20 grams?
12.82 °C
24.12°C
1.95 °C
5128 °C
20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?
418 J
209 J
83 J
4.18 J
O2(g) + 2 H2 (g) → 2 H2O (g) + Energy
endothermic
exothermic
6 CO2+ 6 H2O + Energy → C6H12O6 + 6 O2
endothermic reaction
exothermic reaction
_____ reactions usually feel hot!
endothermic
exothermic
____ reactions usually feel cold.
endothermic
exothermic
What type of reaction is this?
Exothermic
Endothermic
Energy Producing
No way to tell
