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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?
a. about 357 kiloJoules
b. about 100 kiloJoules
c. about 150 kiloJoules
d. about 175 kiloJoules
e. about 200 kiloJoules
a. about 357 kiloJoules
b. about 100 kiloJoules
c. about 150 kiloJoules
d. about 175 kiloJoules
e. about 200 kiloJoules
Expert's answer
Q=c*m*(t1-t0)+L*m+r*m=171KJ
c=4218
L=335000
r=2256000
c=4218
L=335000
r=2256000
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