question archive The above graph shows the heat absorbed by 2,000 g of an unknown substance
The above graph shows the heat absorbed by 2,000 g of an unknown substance
Subject:Civil EngineeringPrice: Bought3
The above graph shows the heat absorbed by 2,000 g of an unknown substance.
Part 1: Identifying the sections
Give the actual temperature value for #1 - 4
1. What is the freezing point temperature of this substance? [ ]
2. What is the condensation point temperature of this substance? [ ]
3. What is the boiling point temperature of this substance? [ ]
4. What is the melting point temperature of this substance? [ ]
Use either a range of points (a-d = “phase”) or a single point (b = “point”) for #5 - 11.
5. In what section does melting occur? [ ]
6. In what section does boiling occur? [ ]
7. In what section does freezing occur? [ ]
8. In what section does condensation occur? [ ]
9. What area of the graph represents the vapor, or gas, phase? [ ]
10. What area of the graph represents the solid phase? [ ]
11. What area of the graph represents the liquid phase? [ ]
12. Refer to the liquid phase only for the following questions.
A. What is the temperature change during this phase? [ ]
B. From the graph find the amount of heat added (in Joules) during this phase. [ ]
C. Calculate the specific heat of the substance as a liquid. [ ]
13. Refer to the phase change between solid and liquid only for the following questions.
A. The section that refers to this phase change is from point [ ] to point [ ].
B. From the graph find the amount of heat added during this phase. [ ]
C. Calculate the heat of fusion of the substance. [ ]
The above graph shows the heat absorbed by 2,000 g of an unknown substance.
Part 2: Calculations
15. Calculate the specific heat for this substance as a solid. (Show your work)
16. Calculate the heat of vaporization for this substance. (Show your work)
17. Calculate the specific heat for this substance as a gas. (Show your work)
