a) You would like to heat 10 litres of tap water initially at room temperature using an old 2 kW heater that has an effi
Posted: Sun May 22, 2022 8:29 am
a)
You would like
to heat 10 litres of tap water initially at room
temperature
using an old 2 kW
heater that has an efficieny of 70%. Estimate the temperature of
the water after 20 minutes stating any assumptions
made.
(5 marks)
b)
Determine the amount of heat needed to completely
transform 1 g of water at 15°C to
steam at 115°C.
(Obtain any relevant data that you need from the
internet. Cite the source of that data in your
answer)
(5 marks)
You would like
to heat 10 litres of tap water initially at room
temperature
using an old 2 kW
heater that has an efficieny of 70%. Estimate the temperature of
the water after 20 minutes stating any assumptions
made.
(5 marks)
b)
Determine the amount of heat needed to completely
transform 1 g of water at 15°C to
steam at 115°C.
(Obtain any relevant data that you need from the
internet. Cite the source of that data in your
answer)
(5 marks)