kazmiere2005oye9tz kazmiere2005oye9tz

12-09-2018
Chemistry

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In a laboratory experiment, Rashida observed water as it vaporized, froze, melted, and condensed. Which of the following is a valid conclusion?
a. She observed different changes of state.

b.All of the changes required energy to be absorbed.

c.Each of these processes happens when the temperature is decreased.

d.All of the changes required energy to be released.

Respuesta :

aleem090105 aleem090105

12-09-2018

(A) is the answer cause heating require to gain energy and freezing require to loss energy

hope you understand and good luck

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