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When 4g of iron is burnt to ferric oxide at constant pressure, 29.28 kJ of heat is evolved. What is the enthalphy of formation of ferric oxide? (At. Wt of Fe=56)
Options
(a) -40.99 kJ
(b) -81.98 kJ
(c) 819.8 kJ
(d) -819.8 kJ
Correct Answer:
-819.8 kJ
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
- Which one is not a constituent of nucleic acid
- The electron configuration of an element is 1s²,2s²,2p⁶,3s²,3p⁶,3d⁵,4s¹
- Chloroform gives a trichloro derivative of an alcohol on reaction with
- Excess nitrate in drinking water can cause
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Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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