Nivedha posted an Question
September 10, 2020 • 16:30 pm 30 points
  • CSIR NET
  • Chemical Sciences

A vessel containing 1.000 kg ofwater at 25°c is heated untill its boils. the time taken to supply thi amount fo heat (by using 1 kw heater) is (a) 314s (b) 31.4

A vessel containing 1.000 kg ofwater at 25°C is heated untill its boils. The time taken to supply thi amount fo heat (by using 1 kw heater) is (a) 314s (b) 31.4 s (c) 628 s (d) 62.8s I/hih aftha follauino thermodvnamical relations are correct tor one male ofon idaalaoa9

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    Abhishek kumar singh Best Answer

    option a is correct Here I have taken approx value of S = 4.2 u can take S= 4.184

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    Priyanshu kumar

    Option A

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    can you please explain the answer?

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    Heat required is Q=msΔT 1000×4.2×(100−25)=315000 J so the time required by heater of power 1000W to supply this amount of heat is 315000/1000=315 sec

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    got this?

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    did you get this??

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