How much heat in calories is needed to change 30 g of ice at -7 degrees...

Question

Question

How much heat in calories is needed to change 30 g of ice at -7 degrees celsius to water at 40 degrees celsius?
A. 3000 cal B. 1214 cal. C. 3705 cal

Answer 1

Answer #1

m= Sol :- Amount of ice 3og initial tempratur Ti = final temprature To So temprature difference AT I -7°C 40°C Te-T AT a 40-(

Answer 2

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