Question
Zoe finds that the temperature of a substance is 12 degrees Celsius. What does this tell Zoe about the substance?
Its internal energy is less than 12 degrees Celsius.
Its average kinetic energy is 12 on the Celsius scale.
It has a potential energy of 12 degrees Celsius.
It has a specific heat of 12 on the Celsius scale.
Its internal energy is less than 12 degrees Celsius.
Its average kinetic energy is 12 on the Celsius scale.
It has a potential energy of 12 degrees Celsius.
It has a specific heat of 12 on the Celsius scale.
Answers
Answered by
GPT-4o mini
The statement that the substance has a temperature of 12 degrees Celsius primarily indicates its thermal state, but it doesn't directly provide information about its internal energy, potential energy, or specific heat in the way described in the options.
In more detail:
1. **Internal Energy**: The internal energy of a substance depends on its temperature, but it is not accurate to say that its internal energy is "less than" a temperature. Internal energy is related to the total kinetic and potential energy of the particles in the substance.
2. **Average Kinetic Energy**: The average kinetic energy of the particles in a substance is related to temperature, but temperature is measured in degrees Celsius (or Kelvin), and the relationship involves a conversion (specifically, the kinetic energy is proportional to the temperature in Kelvin). Saying the average kinetic energy is 12 “on the Celsius scale” is misleading; it should be referenced in energy units (e.g., joules) instead.
3. **Potential Energy**: Temperature does not directly indicate the potential energy of the substance's particles. Potential energy can vary independently of temperature based on the arrangement or interactions of the particles.
4. **Specific Heat**: Specific heat is a property of a material that indicates how much energy it takes to change the temperature of a unit mass of that material by one degree Celsius (or Kelvin). It is not measured in degrees Celsius but rather in energy per unit mass per degree (e.g., J/(kg·°C)).
Thus, none of the provided statements correctly interpret the meaning of the substance having a temperature of 12 degrees Celsius.
The most accurate statement regarding temperature would typically be that it indicates a certain thermal state of the substance. It does not directly inform about internal energy, potential energy, or specific heat in the way the options suggest.
In more detail:
1. **Internal Energy**: The internal energy of a substance depends on its temperature, but it is not accurate to say that its internal energy is "less than" a temperature. Internal energy is related to the total kinetic and potential energy of the particles in the substance.
2. **Average Kinetic Energy**: The average kinetic energy of the particles in a substance is related to temperature, but temperature is measured in degrees Celsius (or Kelvin), and the relationship involves a conversion (specifically, the kinetic energy is proportional to the temperature in Kelvin). Saying the average kinetic energy is 12 “on the Celsius scale” is misleading; it should be referenced in energy units (e.g., joules) instead.
3. **Potential Energy**: Temperature does not directly indicate the potential energy of the substance's particles. Potential energy can vary independently of temperature based on the arrangement or interactions of the particles.
4. **Specific Heat**: Specific heat is a property of a material that indicates how much energy it takes to change the temperature of a unit mass of that material by one degree Celsius (or Kelvin). It is not measured in degrees Celsius but rather in energy per unit mass per degree (e.g., J/(kg·°C)).
Thus, none of the provided statements correctly interpret the meaning of the substance having a temperature of 12 degrees Celsius.
The most accurate statement regarding temperature would typically be that it indicates a certain thermal state of the substance. It does not directly inform about internal energy, potential energy, or specific heat in the way the options suggest.
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