1 kg of water is supplied 630 kJ of energy. Specific heat of water is 4200 J/kg ∘C.So calculate the rise in temperature of 1 kg water.
80∘C
40∘C
60∘C
150∘C
A
150∘C
B
60∘C
C
40∘C
D
80∘C
Open in App
Solution
Verified by Toppr
we know that,
W=mcθ
630000=1000(4.2)θ θ=150oC
Was this answer helpful?
0
Similar Questions
Q1
1 kg of water is supplied 630 kJ of energy. Specific heat of water is 4200 J/kg ∘C.So calculate the rise in temperature of 1 kg water.
View Solution
Q2
500g of hot water at 60∘C is kept in the open till its temperature falls to 40∘C. Calculate the heat energy lost to the surroundings by the water. ( specific heat of water = 4200 J kg−1∘C−1)
View Solution
Q3
A hot solid of mass 60 g at 100∘C is placed in 150 g of water at 20∘C. The final temperature recorded is 25∘C. Calculate the specific heat of solid. (Specific heat of water = 4200J/kg/∘C)
View Solution
Q4
How much heat energy is required to prepare a water bath of 20kg, when cold water at 10oC is heated to 40oC? (Specific heat capacity of water is 4200J/kgoC) :
View Solution
Q5
Calculate the heat energy required to convert
completely 10kg of water at 50°C into steam at 100°C, given that the specific
heat capacity of water is 4200J/(kg°C) and the specific latent heat of
vaporisation of water is 2260kJ/kg.