Question
In which case would the kinetic energy of particles be increasing?
a. Metal is melted at 1,300 C.
b. Metal is heated from room temperature to 200 C.
c. Metal is cooled at 1,300 C.
d. Metal is at room temperature, 37 C.
a. Metal is melted at 1,300 C.
b. Metal is heated from room temperature to 200 C.
c. Metal is cooled at 1,300 C.
d. Metal is at room temperature, 37 C.
Answers
GPT-4o mini
The kinetic energy of particles increases when the temperature of the substance rises, as higher temperatures correlate with greater particle motion.
Considering the options:
a. **Metal is melted at 1,300 C.** - The temperature remains constant during the phase change from solid to liquid, although the particles gain enough energy to break free of their rigid structure.
b. **Metal is heated from room temperature to 200 C.** - The temperature is increasing, which means the kinetic energy of the particles is also increasing.
c. **Metal is cooled at 1,300 C.** - Cooling involves lowering the temperature, which would decrease the kinetic energy of the particles.
d. **Metal is at room temperature, 37 C.** - This indicates a constant temperature, meaning the kinetic energy is not increasing.
Therefore, the correct answer is **b. Metal is heated from room temperature to 200 C.**
Considering the options:
a. **Metal is melted at 1,300 C.** - The temperature remains constant during the phase change from solid to liquid, although the particles gain enough energy to break free of their rigid structure.
b. **Metal is heated from room temperature to 200 C.** - The temperature is increasing, which means the kinetic energy of the particles is also increasing.
c. **Metal is cooled at 1,300 C.** - Cooling involves lowering the temperature, which would decrease the kinetic energy of the particles.
d. **Metal is at room temperature, 37 C.** - This indicates a constant temperature, meaning the kinetic energy is not increasing.
Therefore, the correct answer is **b. Metal is heated from room temperature to 200 C.**