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Mastering Chemtst https://session.masteringchemistry.com/myct/itemview?assignmentproblemID 53263662&offset-next; CH306/511 Survey of Physical Chemistry Signed in as Halah Arishi HW2 Adding Ice to Water Resources T previous 20 of 32 l next Adding Ice to Water Part A An insulated beaker with negligible mass contains How much ice at a temperature of -10.7 o C must be dropped into the water so that the final temperature of the liquid water with a mass of 0.335 kg and a system will be 34.0 oC temperature of 60.1 °C Take the specific heat of liquid water to be 4190 J K, the specific heat of ice to be 2100 J/kg.K and the heat of fusion for water to be 334 kJ/kg Submit Hints My Answers Continue Provide FeedbackExplanation / Answer
Q = m*s*DT
m = mass of water = 0.335 kg
s = 4190 j/kg.k
DT = 60.1-34 = 26.1 c
Q = 0.335*43190*26.1 = 377.63 KJ
Qlost by hot water = Q gained by ice
377.3*10^3 = (m*2100*10.7 + m*334*10^3)
m = mass of ice = 1.058 Kg