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Physics 15 Online
zarkam21:

As a substance condenses, its temperature does not change. How does the potential energy of the molecules of the substance change as a result of the heat released? What type of energy must decrease in order for the temperature to decrease?

Vocaloid:

well, "how does the potential energy change as heat is released" do you think the potential energy would increase or decrease if heat is being given off/

zarkam21:

decrease

Vocaloid:

awesome so the PE decreases now the second part is asking about temperature decreases; if the temperature decreases what type of energy is being lost? Kinetic or potential?

zarkam21:

potential

Vocaloid:

hm. not quite, remember that temperature is a measure of avg. kinetic energy not potential

zarkam21:

oh okay so the type of energy that must decrease in order for the temperature to decrease is kinetic energy

Vocaloid:

yes

Vocaloid:

is there anything else you'd like to get done today? not to rush you but I do kinda want to go out for a walk or something

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