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Thermodynamics - Statistics
General Stats
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This quiz has been taken 29 times
26 since last reset
- The average score is 6 of 36
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| What is the unit for the absolute scale of temperature | kelvin | 95%
|
| What is the kinetic energy of particles at absolute zero | zero | 67%
|
| Do materials with a high specific heat capacity heat up faster than those with a lower specific heat capacity | no | 52%
|
| What happens to the Kinetic energy of particles as they cool down | decreases | 43%
|
| what is it When two objects in contact reach the same temperature, so there is no net heat flow between them | thermal equilibrium | 38%
|
| How does cooling down affect the motion of particles | decrease | 29%
|
| What happens to the average molecular kinetic energy as temperature increases | increases | 24%
|
| State the specific heat capacity equation | Q=mcT | 24%
|
| what is the amount of energy needed to raise the temperature of 1 kg of a substance by 1°C | specific heat capacity | 24%
|
| what is the energy required to change the state of 1kg of a substance without changing its temperature | specific latent heat | 14%
|
| What is the relationship between pressure and temperature of a gas at constant volume | directly proportional | 10%
|
| How does the total energy radiated by a black body change with temperature | increases | 10%
|
| List some assumptions about the behaviour of an ideal gas | large number of molecules | 10%
|
| what is the rate at which energy of all types is radiated by an object in all directions. It is used to classify the actual brightness of stars | luminosity | 10%
|
| How does temperature relate to the kinetic energy of gas particles | proportional | 10%
|
| What is the equation for specific latent heat | Q=ml | 10%
|
| Why doesn't temperature change during a change of state | all energy used to break or form bonds | 5%
|
| collisions are perfectly elastic | 5%
| |
| What happens to the peak wavelength of a black body as its temperature increases | decreases | 5%
|
| duration of collisions negligible compared to time between collisions | 5%
| |
| What is the formula linking average molecular kinetic energy, Boltzmann's constant (k), and temperature (T) | E=3/2kT | 5%
|
| What are the two main types of specific latent heat | fusion | 5%
|
| How can errors be reduced in determining the specific heat capacity of a metal block | insulation | 5%
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| What units are typically used for specific latent heat | Jkg^-1 | 5%
|
| measure maximum temperature reached | 5%
| |
| molecules move randomly and constantly | 5%
| |
| no forces between molecules | 5%
| |
| what is an object that emits energy across the entire electromagnetic spectrum, following a specific distribution based on its temperature | perfect black body | 5%
|
| what is the ideal gas equation | pV=NkT | 5%
|
| How does the peak of a black body's emission curve change with increasing temperature | shifts to shorter wavelengths | 5%
|
| What are the two key factors that determine an object's luminosity | size | 5%
|
| what states that the power output (luminosity) from a black body is proportional to its surface area and the fourth power of its temperature in Kelvin | Stefan boltzmann law | 5%
|
| temperature | 5%
| |
| vaporisation | 5%
| |
| volume of molecules negligible compared to volume of container | 5%
| |
| what states that the wavelength of the peak radiation emitted by a black body is inversely proportional to its temperature | wiens displacement law | 5%
|
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