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The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹,-284.8 kJ mol⁻¹ and -890.4 kJ mol⁻¹ respectively at 25⁰ C. The value of standard formation enthalpies of methane at that temperature is
Options
(a) 890.4 kJ mol⁻¹
(b) -298.8 kJ mol⁻¹
(c) -74.7 kJ mol⁻¹
(d) -107.7 kJ mol⁻¹
Correct Answer:
-74.7 kJ mol⁻¹
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The half-life of a reaction is inversely proportional to the square of the
- The number of gram molecules of oxygen in 6.02 x 10²⁴ CO molecules is
- In Lassaigne’s test red colour precipitate is obtained which is due to formation
- Which of the following compounds will gives positive test with Tollen’s reagent
- The equilibrium weight of MnSO₄ is M/2 when it changes into
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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