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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
- In Cr₂O₇²⁻ the oxidation numbers are
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- Which of these statements about [CO(CN)₆]³⁻ is true
- The ratio of charge and mass would be greatest for
- According to law of mass action rate of a chemical reaction is proportional to
Topics: Thermodynamics (179)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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