Chemistry
Chemistry, 27.12.2019 04:31, huddyxo

Chemistry 10 points: )? without doing any calculations, determine the sign of δssys and δssurr for each of the chemical reactions below. 1) 2co(g)+o2(g)⇌2co2(g)δh∘rxn= -566.0 kj -566.0 a) δssys> 0, δssurr> 0 b) δssys< 0, δssurr> 0 c) δssys> 0, δssurr< 0 d) δssys< 0, δssurr< 0 2) 2no2(g)→2no(g)+o2(g)δh∘rxn= +113.1 kj +113.1 a) δssys> 0, δssurr> 0 b) δssys< 0, δssurr> 0 c) δssys> 0, δssurr< 0 d) δssys< 0, δssurr< 0 3) 2h2(g)+o2(g)→2h2o(g)δh∘rxn= -483.6 kj -483.6 a) δssys> 0, δssurr> 0 b) δssys< 0, δssurr> 0 c) δssys> 0, δssurr< 0 d) δssys< 0, δssurr< 0 4) co2(g)→c(s)+o2(g)δh∘rxn= +393.5 kj +393.5 a) δssys> 0, δssurr> 0 b) δssys< 0, δssurr> 0 c) δssys> 0, δssurr< 0 d) δssys< 0, δssurr< 0 in addition, predict under what temperatures (all temperatures, low temperatures, or high temperatures), if any, the reaction in part a, b, c and d will be spontaneous. a) the reaction is spontaneous at all temperatures. b) the reaction is spontaneous at low temperatures. c) the reaction is spontaneous at high temperatures. d) the reaction is nonspontaneous at all temperatures.

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Chemistry 10 points: )? without doing any calculations, determine the sign of δssys and δssurr fo...

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