BTSVPILOTS9740 BTSVPILOTS9740

17-01-2022
Physics

contestada

How much thermal energy is required to raise the temperature of 5 kg of water 50℃? The specific heat of water is 4168 J/kg*C.

Respuesta :

mahraalmazrouei100 mahraalmazrouei100

25-01-2022

Answer/solution:

Given :

Mass =5kg

T 1 =20 C,T 2 =100 ∘C

ΔT=100−20=80 ∘C

Q=m×C×ΔT

where C= specific heat capacity of water

=4200J/(kgK)

Q=5×4200×80

=1680000 Joule.

=1680KJ

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