How much ice (in grams) would have to melt to lower the temperature of 355mL of...

Question

Question

How much ice (in grams) would have to melt to lower the temperature of 355mL of water from 25?C to 5?C? (Assume the density of water is 1.0 g/mL.)

Answer 1

Answer #1

Heat lost by water = heat gained to melt ice and to raise its temperature from 0 oC to 5 oC

mass of water = 355 ml x 1 g/ml = 355 g

let M be the mass of ice

355 x 4.184 (25-5) = M x 334 + M x 2.11 (5 - 0)

29678 = 334M + 10.55M

Mass of ice to be taken (M) = 86.13 g

Answer 2

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