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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.
Related Questions: - A no. of ionic compounds, e.g., AgCl, CaF₂, BaSO₄ are insoluable in water
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Topics: Thermodynamics
(179)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A no. of ionic compounds, e.g., AgCl, CaF₂, BaSO₄ are insoluable in water
- Identify Z in the sequence of reaction
- The catalyst used in Ziegler process for polythylene manufacture
- Which of the following is not a cheracteristic of equilibrium
- The species Ar,K⁺ and Ca²⁺ contain the same number of electrons.
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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