anonymous
  • anonymous
Hot water is mixed with an amount of ice having an equal mass to that of the water and an initial temperature of 0 °C. What should the initial temperature of the hot water be to achieve a final water temperature of 5 °C with all the ice melted? The specific heat capacity of water is 4.2 kJ/(kg K) and the specific latent heat of fusion for ice is 334 kJ/kg. Assume that no heat is lost to the surroundings.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
hey, that's physics
anonymous
  • anonymous
so?
anonymous
  • anonymous
the physics study group is DEAD.

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anonymous
  • anonymous
Although I love physics, I still get lost in it ^^"
anonymous
  • anonymous
Okay, maybe I can help out with the steps?
anonymous
  • anonymous
first set the given on one side and RTF (required to find ) on the other side then write down the formulas you know about Heat Capacity
anonymous
  • anonymous
ok
anonymous
  • anonymous
I'll write them down on paper first.
anonymous
  • anonymous
wait , there's something wrong in the question , you said that Tinitial = 0 C and you want to find it again?
anonymous
  • anonymous
no, read the question carefully, the initial temp is for the ice, not water
anonymous
  • anonymous
okay
anonymous
  • anonymous
I think I've got the relationship
anonymous
  • anonymous
Since the mass of ice = the mass of water then M (ice) = M (water) , For ice : Q = mL For water : Q = mC(Tf - Ti ) so solve for m : M (ice) = Q/L M(water) = Q/C(Tf-Ti) since M(ice) = M(water), then: Q/L = Q/C(Tf-Ti) did you end up with this relationship andy?
anonymous
  • anonymous
something like that, but i think you made it more clear, i get it better now
anonymous
  • anonymous
glad I could help :) good luck!
anonymous
  • anonymous
thanks
anonymous
  • anonymous
np :)

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