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WorksheetsHeating Curve Mathematics
Total questions: 28
Worksheet time: 28mins
Between which points is the kinetic energy of the substance increasing?
A-B only.
A-B, C-D, E-F
B-C only.
B-C, D-E
Between which two points is Heat of Vaporization?
A <----> B
B <----> C
C <----> D
D <----> E
E <----> F
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
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
The melting point of the sample is
-60 ºC
-100 ºC
60 ºC
100 ºC
The heating curve for a sample of pure ethanol is provided
above. The temperature was recorded as a 50.0 g sample of
solid ethanol was heated at a constant rate. What is the boiling point of ethanol?
50K
150K
350K
550K
In which region of the graph would only potential energy change?
Regions 1, 3, 5
Regions 3 and 5
Regions 2 and 4
Region 5 only
Why are the slopes of the diagonal lines all different?
they have different densities
they have different specific heats
they have different heats of fusion and vaporization
the reaction rates are different
