Question

How much heat is required to change 10grams of Ice at -10℃ in to Ice at 0℃ ?​

Answer 1

Answer:

150 kj

Explanation:

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Answer 2

Answer: The heat required to change 10 gram of ice at  - 10 degree C into ice at 0 degree C = 210 J

Explanation:  Since, the change of ( -10 C ) ice to 0 C ice is the change of temperature not the change of state. So, we use the formula of Specific heat not the Latent heat.

Here, m = 10 g = 0.01 kg

          S ( ice ) = 2100 J Kg -1 K-1

          Change in temperature (Δ Θ ) = [ 0 - (- 10 ) ] = 10 degree C

 Then we know,

           Heat  required (Q ) = m S ΔΘ

                                            =  0.01 * 2100 * 10

                                             = 210 J  Ans...