Question

to move from a solid state to a liquid state, the average kinetic energy of the particles in a substance must ___
decrease
first increase, then decrease
first decrease, then increase
increase
question 26
1 pts
to move from a gaseous state to a liquid state, the average kinetic energy of the particles in a substance must ___
first increase, then decrease
first decrease, then increase
decrease
increase

Explanation:

Para que un sólido pase a líquido, se debe suministrar calor, lo que aumenta la energía cinética de las partículas. Para que un gas pase a líquido, se debe extraer calor, reduciendo la energía cinética de las partículas.

Answer:

• Primera pregunta: D. increase
• Segunda pregunta: C. decrease