Time remaining:
Heat transfer between two objects

Chemistry
Tutor: None Selected Time limit: 1 Day

an ice cube initially at -10 has a mass of 9.0g and is placed on a 2.0kg plate (cp=0.5j/gk) If the temp drops by 5 what is the final temp of the H2O (cice=2j/gk, Hfus=6.00kj/mol)

Nov 24th, 2014

the2 kg plate has lost heat = 2000g x 0.5 x 5 = 5000 joules

So ice has gained 5000 joules .

Ice heat  9.0 x 2 x10 + 333.3 + 9.0 + 9.0 temp diffx 4.18 = 5000

9.0 x temp diff.x 4.18  = 5000-3000-180

9.0 x temp. Diff. = 1820/4.18

Temp diff  = 435.4/9 = 48.4 C

Answer: the final temp of water is 48.4 C

Nov 24th, 2014

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