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The chart shows the temperatures of four different substances.

| Substance | Temperature (°C) |
|-----------|------------------|
| W | 22 |
| X | 18 |
| Y | 35 |
| Z | 24 |

Another substance has less kinetic energy than substance Y but more kinetic energy than substance X. What could be the temperature of this substance in degrees Celsius?

A. 15
B. 18
C. 20
D. 25



Answer :

GinnyAnswer
To determine the temperature of the substance with less kinetic energy than substance [tex]$Z$[/tex] but more than substance [tex]$X$[/tex], we first need to review the temperatures of the substances:

- Substance [tex]$W$[/tex]: 22°C
- Substance [tex]$X$[/tex]: 18°C
- Substance [tex]$Y$[/tex]: 35°C
- Substance [tex]$Z$[/tex]: 24°C

Kinetic energy of a substance is directly related to its temperature. Thus, to find a temperature that is less than 24°C (temperature of [tex]$Z$[/tex]) and more than 18°C (temperature of [tex]$X$[/tex]):

We review the given temperatures:

- 15°C: This temperature is less than 18°C and is not within our desired range of (18, 24).
- 18°C: This temperature is equal to the temperature of [tex]$X$[/tex] and does not meet the requirement of being more than 18°C.
- 20°C: This temperature is within our desired range (between 18°C and 24°C).
- 25°C: This temperature is more than 24°C and is not within our desired range of (18, 24).

Thus, the temperature 20°C is the only value that fits our criterion of being greater than 18°C but less than 24°C.

Hence, the temperature of the substance that has less kinetic energy than substance [tex]$Z$[/tex] but more kinetic energy than substance [tex]$X$[/tex] could be 20°C.

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