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Sagot :
Answer:
160000 calories or 669440 Joules
Explanation:
Using the formula as follows;
Q = L × m
Where;
Q = amount of heat (J)
L = specific latent heat
m = mass (g)
* Latent heat (L) required for melting of ice is 80 calories/grams.
* Mass of ice in grams = 2kg × 1000 = 2000g.
Hence, Q = 80 × 2000
= 160000 Calories
1 calorie = 4.184J
160000 calorie = 160000 × 4.184
= 669440J
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