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.
Answers: 3
Chemistry, 22.06.2019 06:00, giusto1894
24. a sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °c). if the ball is then played with outside where the temperature is 7.5 °c, what will be the new pressure of the ball? assume the ball does not change in volume nor does any air leak from the ball a) 0.555 atm b) 1.74 atm c) 1.85 atm d) 1.97 atm
Answers: 2
Chemistry, 23.06.2019 05:00, jjoyner
Question 5 match each term to its description. match term definition excess reactant a) reactant that can produce a lesser amount of the product limiting reactant b) reactant that can produce more of the product theoretical yield c) amount of product predicted to be produced by the given reactants
Answers: 2
Chemistry 10 points: )? without doing any calculations, determine the sign of δssys and δssurr fo...
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