how much heat is required to rise the temperature of 500 gram of Mercury from 20 degree Celsius to 100 degree Celsius scientific heat of mercury is equal to 0.0 33 kcal/(k g dot degree Celsius)

 

Asked by simajpande | 4th Jan, 2020, 02:54: PM

Expert Answer:

m = 500 g =0.5 kg
heat required to raise the temperture is given by, 
 
 
ΔQ = msΔt 
ΔQ = 0.5 x 0.033 x (100-20) 
ΔQ =  0.5 x 0.033 x 80 = 1.32 kilocalorie
Thus, 
ΔQ = 1.32 x 4184 = 5522.88 Joules

Answered by Shiwani Sawant | 5th Jan, 2020, 09:27: PM