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Home I X M Mail-Briana Howington x Assignment www.webassign net/webi Student/Assignment Responsessubmit dep 1537e335 An object is heated for 200 minutes. During that time it goes from solid to liquid. Use the graph below to answer the fo Temperature vs Time 150 --i.. ...i... ..i 100 200 Time (min) a.) what is the name of the phase change that occured? Select- b.) At what temperature did the phase change occur? c.) How long did the phase change occur? d.) During the phase change is heat leaving the object, entering the obrect, or neither? e.) How long was the object completely lquid?

Explanation / Answer

(A) Melting

Or Fusion

(B) phase change occurs at temp T = (100 + 50)/2 = 75 deg C

(C) t = 120 - 20 = 100 min

(D) Heat entering the object.

(E) t = 200 - 120 = 80 min

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