WorksheetsThermodynamics
Total questions: 36
Worksheet time: 29mins
I can't be created nor destroyed. What am I?
energy
air
nothing
a unicorn
Heat is a measure of the...
total energy in a substance
total kinetic energy in a substance
average potential energy in a substance
average kinetic energy of molecules in a substance
Calculate the energy absorbed by 30 g of 100 ⁰C water that is turned into steam at 100 ⁰C.
67 800 J
6 7800 J
678 J
67.8 J
The heat absorbed by melting a solid is known as
latent heat of fusion
latent heat of solid
latent heat of liquid
latent heat of vaporisation
specific latent heat of vaporisation is
the amount of heat required to change 1 kg of the substance from the solid to liquid phase without change in temperature
the amount of heat required to change 1 kg of the substance from the liquid to gaseous phase without change in temperature
the amount of heat required to change the temperature 1 kg of the substance by 1 degree Celcius
The graph shows the cooling curve of a substance. At which stages the specific latent heat released?
AB and CD
BC and DE
AB and EF
BC and CD
Which equation do you use to solve for the energy of segment D-E?
q= mCΔT
q= Hv*m
PV=nRT
q= Hf*m
Which equation do you use to solve for segment B-C?
q=mCΔT
q= Hv*m
q= Hf*m
PV=nRT
The energy of which segments can be found using the equation q=mCΔT?
A-B, D-E, E-F
B-C, D-E ,E-F
B-C, C-D, E-F
A-B, C-D, E-F
Which equation do you use to solve for the energy of segment C-D?
q=mCΔT
q= Hv*m
q= Hf*m
PV=nRT
Between which two points is Heat of Fusion?
A <----> B
B <----> C
C <----> D
D <----> E
E <----> F
Between which two points is Heat of Vaporization?
A <----> B
B <----> C
C <----> D
D <----> E
E <----> F
Which equation would you use to solve the following: Calculate the heat necessary to change 10 g of ice(s) at 0°C to 10 g of water(l) at 0°C.
q=mCΔT
q= Hv*m
q= Hf*m
PV=nRT
Which equation would you use to solve the following: Calculate the heat necessary to change 10 g of H2O(l) at 0 °C to 10 g of H2O(l) at 100°C.
q=mCΔT
q=Hv*m
q= Hf*m
PV=nRT
What equation would you use to solve the following:
How much heat is absorbed by 20g granite boulder as energy from the sun causes its temperature to change from 10°C to 29°C?
q=mCΔT
q=Hv*m
q= Hf*m
PV=nRT
What equation would you use to solve the following:
Calculate the heat necessary to change 10 g of H2O(l) at 100°C to 10 g of H2O(g) at 100°C.
q=mCΔT
q=Hv*m
q=Hf*m
PV=nRT
