nment Intormation Score Print Calculator Periodic Table Question 1 of 10 Availab

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nment Intormation Score Print Calculator Periodic Table Question 1 of 10 Available From: Due Date: Points Possible: Grade Category: Not Set 12/8/2017 11:55 10 Extra Credit Map Sapling Learning How much heat e C? The molar heat of fusion of ethanol is 4.60 kJ/mol and its molar heat of vaporization is 38.56 kJ/mol Ethanol has a normal meltin of liquid ethanol is 2.45 J/g· and that of gaseous ethanol is 1.43 J/g·°C is required to convert 99.6 g of solid ethanol at-1 14.5 to gasesous ethanol at 171.0 t of-114.5°C and a normal boiling point of 78.4 . The specific heat capacity Policies Homework You can check your answers. You can view solutions when you cc give up on any question. You can keep trying to answer each until you get it right or give up You lose 5% of the points available answer in your question for each in attempt at that answer Number kJ eTextbook O Help With This Topic O Web Help &Videos; @Previous Give Up & View Solution O Check AnswerNext Exit Technical S and Hint

Explanation / Answer

We require 2 type of heat, latent heat and sensible heat

Sensible heat (CP): heat change due to Temperature difference

Latent heat (LH): Heat involved in changing phases (no change of T)

Then

Q1 = m*Cp ice * (Tf – T1)

Q2 = m*LH ice

Q3 = m*Cp wáter * (Tb – Tf)

Q4 = m*LH vap

Q5 = m*Cp vap* (T2 – Tb)

Then; substitute data

Q1 = no need, since this is already saturated

Q2 = mass/MW*4600= 99.6/46*4600 = 9960 J

Q3 = 99.6*2.45* (78.4– -114.5) = 47071.458 J

Q4 = 99.6/46*38560 = 83490.78 J

Q5 = 99.6*1.43* (171– 78.4) = 13188.83

QT = Q1+Q2+Q3+Q4+Q5 =9960 +47071.458 + 83490.78 + 13188.83

QT = 153711.06J

QT = 153.7 kJ

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