A. 1.42.9KJ
B. 571.7KJ
C. 1143.4KJ
D. 285.9KJ
E. 2286.8KJ
Correct Answer:
Option C – 1143.4KJ
How much heat will be liberated if 8g of hydrogen burns in excess oxygen according to the following equation? 2H2 + O2→ 2H2O; ∆H = -571.7KJ (H = 1)
![Determine the mass of sulphur (IV) oxide obtained when 91.0g of oxygen reacts completely with sulphur according to the following equation: S(s) + O2(g) → SO2(g) [S = 32; O = 16]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "Determine the mass of sulphur (IV) oxide obtained when 91.0g of oxygen reacts completely with sulphur according to the following equation: S(s) + O2(g) → SO2(g) [S = 32; O = 16]")
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