40g of ice at -10℃ is heated by a heater of power 250W such that water formed from it,attains the temperature equal to the boiling point of water.For how long is the heater switched on?
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0
Answer:
answer is 2 hour 15 minutes
Answered by
0
Answer:
4.0
Step-by-step explanation:
x=5/4×34×5=900
900÷18o
4.0
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