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23 February, 23:33

Which equation shows conservation of mass and energy for a reaction at 101.3 kpa and 298 k?

a. 2h2 (g) + o2 (g) 2h2o (g) + 483.6 kj

b. 2h2 (g) + o2 (g) 2h2o (l) + 285.8 kj

c. h2 (g) + o2 (g) h2o (g) + 483.6 kj

d. h2 (g) + o2 (g) h2o (l) + 285.8 kj?

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  1. 24 February, 02:36
    0
    C and D are not correctly balanced so it is not show conservation of energy also for B the energy value is not correct it is not show conservation of mass and energy so the correct answer is A:

    2 H₂ (g) + O₂ (g) → 2 H₂O (g) + 483.6 kJ
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