Chemistry, 20.09.2020 17:01 autumnkiewel200
2. The second law of thermodynamics explains which of the following? (1 point)
O Why fire occurs in nature.
O Why time can only move forward.
Why the universe is actually shrinking.
O Why car engines are not perfectly efficient.
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Answers: 3
Chemistry, 21.06.2019 18:00
Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water
Answers: 2
Chemistry, 22.06.2019 09:30
Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
Answers: 2
Chemistry, 23.06.2019 11:00
Which of the following reactions represents an exothermic reaction? nh3(g) + 12.0 kcal ½n2(g) + 3/2 h2(g) ch4 + 2o2 co2 + 2h2o + 212,800 cal c + 2s cs2, h = 27,550 cal c(graphite) c(diamond), h = 0.45 kcal 2h2o 2h2 + o2, h = +58 kcal
Answers: 1
2. The second law of thermodynamics explains which of the following? (1 point)
O Why fire occurs in...
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