Question
Which units express heat capacity?
J/°C, J/K, cal/°C, cal/K
J/(gi°C), J/(giK), cal/(gi°C), cal/(giK)
J, cal
°C, K
J/°C, J/K, cal/°C, cal/K
J/(gi°C), J/(giK), cal/(gi°C), cal/(giK)
J, cal
°C, K
Answers
GPT-4o mini
Heat capacity is a property that measures how much heat energy is required to change the temperature of a substance by a certain amount. The units that express heat capacity are:
1. **J/°C (joules per degree Celsius)**
2. **J/K (joules per Kelvin)**
3. **cal/°C (calories per degree Celsius)**
4. **cal/K (calories per Kelvin)**
These units indicate the amount of energy (in joules or calories) required to raise the temperature of an object by one degree Celsius or one Kelvin.
The other options listed, such as J, cal, °C, and K, are not units of heat capacity on their own. J and cal are units of energy, while °C and K are units of temperature.
In summary, the correct units expressing heat capacity are:
- J/°C
- J/K
- cal/°C
- cal/K
1. **J/°C (joules per degree Celsius)**
2. **J/K (joules per Kelvin)**
3. **cal/°C (calories per degree Celsius)**
4. **cal/K (calories per Kelvin)**
These units indicate the amount of energy (in joules or calories) required to raise the temperature of an object by one degree Celsius or one Kelvin.
The other options listed, such as J, cal, °C, and K, are not units of heat capacity on their own. J and cal are units of energy, while °C and K are units of temperature.
In summary, the correct units expressing heat capacity are:
- J/°C
- J/K
- cal/°C
- cal/K