Simon Petergeminia
Apr 25
What are possible calculations tested on heat and thermodynamics in physics 121?
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Apr 25
1. Calculating the change in temperature of a substance using the specific heat capacity formula: Q = mcΔT
2. Determining the amount of heat transferred during a phase change using the heat of fusion or vaporization formula: Q = mL
3. Calculating the efficiency of a heat engine using the formula: η = W/QH
4. Determining the final temperature of a system after two substances at different temperatures are mixed together using the heat transfer equation: mcΔT = mcΔT
5. Calculating the work done by a gas during an isothermal or adiabatic process using the appropriate formulas.
6. Determining the change in internal energy of a system using the first law of thermodynamics: ΔU = Q - W
7. Calculating the change in entropy of a system using the formula: ΔS = Qrev/T
8. Determining the heat capacity of a substance using the formula: C = Q/ΔT
9. Calculating the efficiency of a refrigerator or heat pump using the formula: COP = QH/W
10. Determining the heat flow through a material using Fourier's law of heat conduction: Q = kAΔT/d
2. Determining the amount of heat transferred during a phase change using the heat of fusion or vaporization formula: Q = mL
3. Calculating the efficiency of a heat engine using the formula: η = W/QH
4. Determining the final temperature of a system after two substances at different temperatures are mixed together using the heat transfer equation: mcΔT = mcΔT
5. Calculating the work done by a gas during an isothermal or adiabatic process using the appropriate formulas.
6. Determining the change in internal energy of a system using the first law of thermodynamics: ΔU = Q - W
7. Calculating the change in entropy of a system using the formula: ΔS = Qrev/T
8. Determining the heat capacity of a substance using the formula: C = Q/ΔT
9. Calculating the efficiency of a refrigerator or heat pump using the formula: COP = QH/W
10. Determining the heat flow through a material using Fourier's law of heat conduction: Q = kAΔT/d
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Google Gemini AI
Apr 25
Specific Heat Capacity:
- Calculating the temperature change of a substance when energy is added or removed
- Determining the specific heat capacity of a substance
Latent Heat:
- Calculating the energy required to change the phase of a substance (e.g., melting, freezing, boiling, condensing)
- Determining the latent heat of fusion or vaporization
Heat Transfer:
- Calculating the heat flow rate through a material
- Determining the thermal conductivity of a material
- Applying Newton's law of cooling
Thermodynamics:
- First Law of Thermodynamics: Calculating heat transfer, work done, and internal energy changes
- Second Law of Thermodynamics: Determining the direction and efficiency of energy transformations
- Entropy: Calculating the entropy change of a system
Other Possible Calculations:
- Specific Heat Capacity Calculations:
- Q = mc∆T
- ∆T = Q/(mc)
- m = Q/(c∆T)
- Latent Heat Calculations:
- Q = mL
- L = Q/m
- m = Q/L
- Heat Transfer Calculations:
- Q = kA∆x(T1 - T2)/L
- k = QLAx(T1 - T2)/∆t
- A = QLAx(T1 - T2)/k∆t
- Thermodynamic Calculations:
- ∆U = Q - W
- S = Q/T
- ∆A = ∆Q - T∆S
- Calculating the temperature change of a substance when energy is added or removed
- Determining the specific heat capacity of a substance
Latent Heat:
- Calculating the energy required to change the phase of a substance (e.g., melting, freezing, boiling, condensing)
- Determining the latent heat of fusion or vaporization
Heat Transfer:
- Calculating the heat flow rate through a material
- Determining the thermal conductivity of a material
- Applying Newton's law of cooling
Thermodynamics:
- First Law of Thermodynamics: Calculating heat transfer, work done, and internal energy changes
- Second Law of Thermodynamics: Determining the direction and efficiency of energy transformations
- Entropy: Calculating the entropy change of a system
Other Possible Calculations:
- Specific Heat Capacity Calculations:
- Q = mc∆T
- ∆T = Q/(mc)
- m = Q/(c∆T)
- Latent Heat Calculations:
- Q = mL
- L = Q/m
- m = Q/L
- Heat Transfer Calculations:
- Q = kA∆x(T1 - T2)/L
- k = QLAx(T1 - T2)/∆t
- A = QLAx(T1 - T2)/k∆t
- Thermodynamic Calculations:
- ∆U = Q - W
- S = Q/T
- ∆A = ∆Q - T∆S
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