How much heat is given out when a piece of iron of mass 50g and specific heat capacity 460 Jkg^-1k^-1 cools from 85^oC to 25^oC?

simplicit

11 years ago

Hmm how will heat capacity be in celcius nd u solved for quantity of heat without converting d temperature change to kelvin

Okoyess

1 year ago

M=50g
Initial T=85°
Final T=25°
SHC=460
H=MCs∆ø
50×460×60
1380000
=1380joules

oravn

1 year ago

The temperature should be converted to kelvin as the specific heat capacity's unit is in Jkg-1k-1
the answer ought to be option C ; 7.66x10^3J