Howmuch heat is needed to raise the temperature of a 200g copper bar from 20c to 150c? The specific heat capac

Question

physics

Answer 1

in ideal conditions it would take 150 c to do it, since the copper would heat to whatever temperature it was exposed to. this could take some time though.

Answer 2

Heat=Q=m c Delta(t)
Q=200 c_of_copper (150-20)
c_of_copper = The specific heat capac

Answer 3

Dear
the heat capacity of Copper is 0.1 cal/(g.c)
So the heat (H) needed to raise a 200 9 is

H = mass * specific heat * Delta(t)

H= (200)(.1)(150-20) = 2600 cal
H = 4.18 * 2600 joule =1086.8 joule

Answer 4

You are increasing the temp. of 200g of Cu 130 degrees celsius. I think you need to find the specific heat of Cu which will tell you a number of calories needed to raise the temp of 1 g. of Cu 1 degree C. Multiply the specific heat by 26,000 (200g x 130 degrees) to get number of calories.

Answer 5

heat capacity for copper: (@25 °C) 24.440 J·/mol−K

http://en.wikipedia.org/wiki/Copper