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Answer to Question #4909 in Physical Chemistry for Khatlyn

Question #4909
How many Joules are required to convert 65 grams of ice at -10 degrees C to steam at 120 degrees C? <br>a. about 357 kiloJoules <br>b. about 100 kiloJoules <br>c. about 150 kiloJoules <br>d. about 175 kiloJoules <br>e. about 200 kiloJoules
Expert's answer
Q=c*m*(t1-t0)+L*m+r*m=171KJ

c=4218
L=335000
r=2256000

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