Ice at 20°c added to 50g of water at 40°c. when the temperature of mixture reaches to 0°c it is found that 20g of ice is still unmelted the amount of ice added to the water is close to a)50g b)40g c)60g d) 100g
Answers
Answered by
1
Answer:
b) 40g............ggejdbd
Answered by
1
Answer:
40g
Explanation:
Let the amount of ice is m gm.
According to the principal of calorimeter
heat taken by ice = heat given by water
∴20×2.1×m+(m−20)×334
=50×4.2×40
376m=8400+6680
m=40.1
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