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

mohit , 10 Years ago
Grade 8
anser 1 Answers
Sunil Kumar FP

Last Activity: 10 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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