macymack macymack

15-08-2021
Physics

contestada

4 kg of water was
added to a 1.2 kg iron
boiler. How much
heat must be
supplied to the boiler
to heat the water in it
from 16 °C to 90 °C

Respuesta :

sanjanakakkerla sanjanakakkerla

15-08-2021

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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