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4 gms of steam at 100°C is added to 20 gms of water at 46°C in a container of negligible mass. Assuming no heat is lost to surrounding, the mass of water in container at thermal equilibrium is. Latent heat of vaporisation = 540 cal/gm. Specific heat of water = 1 cal/gm-°C.
  • a)
    18 gm
  • b)
    20 gm
  • c)
    22 gm
  • d)
    24 gm
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
4 gms of steam at 100°C is added to 20 gms of water at 46°C in...
Heat released by steam inconversion to water at 100°C is Q1 = mL = 4 x 540 = 2160 cal.
Heat required to raise temperature of water from 46°C t 100°C is Q2 = mS Δθ = 20 x 1 x 54 = 1080 J 
Hence all steam is not converted to water only half steam shall be converted to water
∴ Final mass of water = 20 + 2 = 22 gm 
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4 gms of steam at 100°C is added to 20 gms of water at 46°C in...
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4 gms of steam at 100°C is added to 20 gms of water at 46°C in a container of negligible mass. Assuming no heat is lost to surrounding, the mass of water in container at thermal equilibrium is. Latent heat of vaporisation = 540 cal/gm. Specific heat of water = 1 cal/gm-°C.a)18 gmb)20 gmc)22 gmd)24 gmCorrect answer is option 'C'. Can you explain this answer?
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4 gms of steam at 100°C is added to 20 gms of water at 46°C in a container of negligible mass. Assuming no heat is lost to surrounding, the mass of water in container at thermal equilibrium is. Latent heat of vaporisation = 540 cal/gm. Specific heat of water = 1 cal/gm-°C.a)18 gmb)20 gmc)22 gmd)24 gmCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about 4 gms of steam at 100°C is added to 20 gms of water at 46°C in a container of negligible mass. Assuming no heat is lost to surrounding, the mass of water in container at thermal equilibrium is. Latent heat of vaporisation = 540 cal/gm. Specific heat of water = 1 cal/gm-°C.a)18 gmb)20 gmc)22 gmd)24 gmCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 4 gms of steam at 100°C is added to 20 gms of water at 46°C in a container of negligible mass. Assuming no heat is lost to surrounding, the mass of water in container at thermal equilibrium is. Latent heat of vaporisation = 540 cal/gm. Specific heat of water = 1 cal/gm-°C.a)18 gmb)20 gmc)22 gmd)24 gmCorrect answer is option 'C'. Can you explain this answer?.
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