1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Finding mass in a quanity of heat problem

  1. Sep 24, 2009 #1
    1. The problem statement, all variables and given/known data

    In a heat treatment, a hot copper part is quenched with water, cooling it from 400 degrees Celsius to 30 degrees Celsius. What was the mass of the part if it loses 80 kcal of heat.


    2. Relevant equations

    Q=mcΔT

    3. The attempt at a solution

    m=c ΔT/Q m=(0.093cal/g*C°)(370 C° )/ 80Kcal


    I gave this a shot but I don't feel like it's right. Any help and hints or even just setting up the formula is appreciated big time. I have a feeling this one is kind of obvious I'm just not seeing it.
     
  2. jcsd
  3. Sep 24, 2009 #2

    rl.bhat

    User Avatar
    Homework Helper

    m = Q/cΔT
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook