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Heat of combustion ΔHº for C (s), H2(g) and CH4(g) are –94, –68 and –213 kcal/mol, then ΔHº for C(s) + 2H2(g) → CH4(g) is [2002]
  • a)
    –17 kcal
  • b)
    – 111 kcal
  • c)
    –170 kcal
  • d)
    –85 kcal
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Heat of combustion ΔHº for C (s), H2(g) and CH4(g) are &nda...
∆Hcomb.= Reactant - product

so -94-68×2(because there are 2moles of H2)-(-213)
∆Hcomb.= -17 kcal
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Community Answer
Heat of combustion ΔHº for C (s), H2(g) and CH4(g) are &nda...
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Heat of combustion ΔHº for C (s), H2(g) and CH4(g) are –94, –68 and –213 kcal/mol, then ΔHº for C(s) + 2H2(g) → CH4(g) is [2002]a)–17 kcalb)– 111 kcalc)–170 kcald)–85 kcalCorrect answer is option 'A'. Can you explain this answer?
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Heat of combustion ΔHº for C (s), H2(g) and CH4(g) are –94, –68 and –213 kcal/mol, then ΔHº for C(s) + 2H2(g) → CH4(g) is [2002]a)–17 kcalb)– 111 kcalc)–170 kcald)–85 kcalCorrect 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 Heat of combustion ΔHº for C (s), H2(g) and CH4(g) are –94, –68 and –213 kcal/mol, then ΔHº for C(s) + 2H2(g) → CH4(g) is [2002]a)–17 kcalb)– 111 kcalc)–170 kcald)–85 kcalCorrect 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 Heat of combustion ΔHº for C (s), H2(g) and CH4(g) are –94, –68 and –213 kcal/mol, then ΔHº for C(s) + 2H2(g) → CH4(g) is [2002]a)–17 kcalb)– 111 kcalc)–170 kcald)–85 kcalCorrect answer is option 'A'. Can you explain this answer?.
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