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How many PopTarts? are needed to convert 1,000.0 g of water at 20.0 oC to steam at 100.0 oC? One PopTart is equal to 800,000 J of energy...wow!

How many PopTarts? are needed to convert 1,000.0 g of water at 20.0 oC to steam at 100.0 oC? One PopTart is equal to 800,000 J of energy...wow!

Grade:8

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
7 years ago
amount of heat required is the sum of heat required to convert water from 20c to 100c+heat required to convert it to steam
=mcdeltaT +mL
=1000*80*4.18 +1000*2257
in terms of pop tart
=(1000*80*4.18 +1000*2257)/800000
=3.23 pop tart

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