A. 1.35 x 10³J
B. 5.38 x 10³J
C. 6.72 x 10³J
D. 7.06 x 10³J
E. 8.06 x 10³J
Correct Answer:
Option C – 6.72 x 10³J
How much heat is required to convert 20 g of ice at 0°C to water at the same temperature? (Specific latent heat of ice = 336 J g-1)
![A quantity of hot water at 100ºC is added to 400g of water at 10ºC until the temperature of the mixture is 60ºC. Calculate the mass of the hot water added. [Specific heat capacity of water =4200JKg-1 K-1]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A quantity of hot water at 100ºC is added to 400g of water at 10ºC until the temperature of the mixture is 60ºC. Calculate the mass of the hot water added. [Specific heat capacity of water =4200JKg-1 K-1]")
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