19. For the reaction, CO2(g) + C(s) =2C0(g) AH=172.5k a, addition of CO2 b. removal of CO2 C. increasing temperature

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A: Given Reaction  3 O2  <------------>  2 O3

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Q: d) NO2e) = sO3le + NOe) ने SO, 3(g) b) 2 NO (e) 2 2 NOB., + Br2(e) (g)

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