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Sulphur (2.56 g) is burned in a constant volume calorimeter with excess O2(g). The temperature increases from 21.25°C to 26.72°C . The bomb has a heat capacity of 923 JK-1. Calorimeter contains 815 g of water. Thus, change in internal energy per mole of SO2 formed for the reaction is
(specific heat of water is 4.184 JK-1g-1.)
  • a)
    - 296.27 kJ
  • b)
    + 296.27 kJ
  • c)
    - 2370.13 kJ
  • d)
    + 2370.13 kJ
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Sulphur (2.56 g) is burned in a constant volume calorimeter with exces...
Moles of S8 = 2.56/256 = 0.01
So, moles of SO2  formed = 0.08
Rise in temperature = (273+26.72)K - (273+21.25)K
= 5.47 K
Total Energy in internal energy (as system is at constant volume) = -(923 jK-1 × 5.47 +815g×4.18)
= -23701.29 J = -23.70129 kJ
Thus change in internal energy per mole of formed = -23.7012kJ/0.08 = -296.3 kJ
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Most Upvoted Answer
Sulphur (2.56 g) is burned in a constant volume calorimeter with exces...
Moles of S8 = 2.56/256 = 0.01
So, moles of SO2  formed = 0.08
Rise in temperature = (273+26.72)K - (273+21.25)K
= 5.47 K
Total Energy in internal energy (as system is at constant volume) = -(923 jK-1 × 5.47 +815g×4.18)
= -23701.29 J = -23.70129 kJ
Thus change in internal energy per mole of formed = -23.7012kJ/0.08 = -296.3 kJ
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Sulphur (2.56 g) is burned in a constant volume calorimeter with exces...
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Sulphur (2.56 g) is burned in a constant volume calorimeter with excess O2(g). The temperature increases from 21.25°C to 26.72°C . The bomb has a heat capacity of 923 JK-1. Calorimeter contains 815 g of water. Thus, change in internal energy per mole of SO2 formed for the reaction is(specific heat of water is 4.184 JK-1g-1.)a)- 296.27 kJb)+ 296.27 kJc)- 2370.13 kJd)+ 2370.13 kJCorrect answer is option 'A'. Can you explain this answer?
Question Description
Sulphur (2.56 g) is burned in a constant volume calorimeter with excess O2(g). The temperature increases from 21.25°C to 26.72°C . The bomb has a heat capacity of 923 JK-1. Calorimeter contains 815 g of water. Thus, change in internal energy per mole of SO2 formed for the reaction is(specific heat of water is 4.184 JK-1g-1.)a)- 296.27 kJb)+ 296.27 kJc)- 2370.13 kJd)+ 2370.13 kJCorrect answer is option 'A'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Sulphur (2.56 g) is burned in a constant volume calorimeter with excess O2(g). The temperature increases from 21.25°C to 26.72°C . The bomb has a heat capacity of 923 JK-1. Calorimeter contains 815 g of water. Thus, change in internal energy per mole of SO2 formed for the reaction is(specific heat of water is 4.184 JK-1g-1.)a)- 296.27 kJb)+ 296.27 kJc)- 2370.13 kJd)+ 2370.13 kJCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Sulphur (2.56 g) is burned in a constant volume calorimeter with excess O2(g). The temperature increases from 21.25°C to 26.72°C . The bomb has a heat capacity of 923 JK-1. Calorimeter contains 815 g of water. Thus, change in internal energy per mole of SO2 formed for the reaction is(specific heat of water is 4.184 JK-1g-1.)a)- 296.27 kJb)+ 296.27 kJc)- 2370.13 kJd)+ 2370.13 kJCorrect answer is option 'A'. Can you explain this answer?.
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