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The following physics responses are provided by a student and, as such, should be considered in that context. While every effort is made for accuracy, absolute correctness cannot be fully guaranteed.
| Question | |
C | 12 |
I | |
Question Which of the following choices is an appropriate unit for measuring entropy changes?
1) J×K
2) N×K
3) J/s
4) J/K
5) N/K | |
Answer J/K | |
Notes
| User | Added | Note | e | d |
|---|---|---|---|---|
| KillGorack | 2023-07-12 19:17:52 | The appropriate unit for measuring entropy changes is: J/K Entropy is measured in joules per Kelvin (J/K). It represents the amount of energy per unit temperature that is transferred or dispersed in a system. The change in entropy (ΔS) is typically expressed in joules per Kelvin (J/K) to indicate the amount of energy change per unit temperature change. Option 1) J×K is not the correct unit for entropy. The unit should be J/K, as multiplication between joules and Kelvin is not applicable in the context of entropy. Option 2) N×K is the unit for measuring the change in heat capacity, not entropy. Option 3) J/s is the unit for measuring power (rate of energy transfer), not entropy. Option 5) N/K is the unit for measuring the change in mechanical force, not entropy. Therefore, the appropriate unit for measuring entropy changes is: J/K. |
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