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The temperature of 50g of water has to be risen from 15°C to 85°C by using steam at 120°C. What is the amount of steam, in gms, required for the same? Sw= 1cal/ g°C, Lvap = 540cal/g, Ssteam =0.48cal/g°C.
- a)6.29g
- b)8.34g
- c)7.22g
- d)6.19g
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
The temperature of 50g of water has to be risen from 15°C to 85&de...
Heat lost by steam = Heat gained by water. Let ‘m’ be the mass of steam required.
∴ mSsteam (120-100) + mLvap + mSw (100-85) = 50Sw (85-15) The only variable is ‘m’.
On calculating it from the above equation, we get:
m = 6.19g.
∴ mSsteam (120-100) + mLvap + mSw (100-85) = 50Sw (85-15) The only variable is ‘m’.
On calculating it from the above equation, we get:
m = 6.19g.
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The temperature of 50g of water has to be risen from 15°C to 85&de...
°C to 85°C. The specific heat capacity of water is 4.18 J/g°C. How much heat is needed to raise the temperature of the water?
To calculate the heat needed to raise the temperature of the water, we can use the formula:
Q = m * c * ΔT
Where:
Q = heat energy
m = mass of the substance (in grams)
c = specific heat capacity of the substance (in J/g°C)
ΔT = change in temperature (in °C)
Given:
m = 50g
c = 4.18 J/g°C
ΔT = 85°C - 15°C = 70°C
Plugging the values into the formula, we have:
Q = 50g * 4.18 J/g°C * 70°C
Q = 14690 J
Therefore, 14,690 J of heat energy is needed to raise the temperature of 50g of water from 15°C to 85°C.
To calculate the heat needed to raise the temperature of the water, we can use the formula:
Q = m * c * ΔT
Where:
Q = heat energy
m = mass of the substance (in grams)
c = specific heat capacity of the substance (in J/g°C)
ΔT = change in temperature (in °C)
Given:
m = 50g
c = 4.18 J/g°C
ΔT = 85°C - 15°C = 70°C
Plugging the values into the formula, we have:
Q = 50g * 4.18 J/g°C * 70°C
Q = 14690 J
Therefore, 14,690 J of heat energy is needed to raise the temperature of 50g of water from 15°C to 85°C.
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The temperature of 50g of water has to be risen from 15°C to 85°C by using steam at 120°C. What is the amount of steam, in gms, required for the same? Sw= 1cal/ g°C, Lvap= 540cal/g, Ssteam=0.48cal/g°C.a)6.29gb)8.34gc)7.22gd)6.19gCorrect answer is option 'D'. Can you explain this answer?
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The temperature of 50g of water has to be risen from 15°C to 85°C by using steam at 120°C. What is the amount of steam, in gms, required for the same? Sw= 1cal/ g°C, Lvap= 540cal/g, Ssteam=0.48cal/g°C.a)6.29gb)8.34gc)7.22gd)6.19gCorrect answer is option 'D'. 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 The temperature of 50g of water has to be risen from 15°C to 85°C by using steam at 120°C. What is the amount of steam, in gms, required for the same? Sw= 1cal/ g°C, Lvap= 540cal/g, Ssteam=0.48cal/g°C.a)6.29gb)8.34gc)7.22gd)6.19gCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The temperature of 50g of water has to be risen from 15°C to 85°C by using steam at 120°C. What is the amount of steam, in gms, required for the same? Sw= 1cal/ g°C, Lvap= 540cal/g, Ssteam=0.48cal/g°C.a)6.29gb)8.34gc)7.22gd)6.19gCorrect answer is option 'D'. Can you explain this answer?.
The temperature of 50g of water has to be risen from 15°C to 85°C by using steam at 120°C. What is the amount of steam, in gms, required for the same? Sw= 1cal/ g°C, Lvap= 540cal/g, Ssteam=0.48cal/g°C.a)6.29gb)8.34gc)7.22gd)6.19gCorrect answer is option 'D'. 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 The temperature of 50g of water has to be risen from 15°C to 85°C by using steam at 120°C. What is the amount of steam, in gms, required for the same? Sw= 1cal/ g°C, Lvap= 540cal/g, Ssteam=0.48cal/g°C.a)6.29gb)8.34gc)7.22gd)6.19gCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The temperature of 50g of water has to be risen from 15°C to 85°C by using steam at 120°C. What is the amount of steam, in gms, required for the same? Sw= 1cal/ g°C, Lvap= 540cal/g, Ssteam=0.48cal/g°C.a)6.29gb)8.34gc)7.22gd)6.19gCorrect answer is option 'D'. Can you explain this answer?.
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