Chemistry, 03.12.2019 03:31 saleenhernandez83
Which of the following processes have a δs > 0? a. n2(g) + 3 h2(g) → 2 nh3(g) b. na2co3(s) + h2o(g) + co2(g) → 2 nahco3(s) c. ch3oh(l) → ch3oh(s) d. all of these processes have a δs > 0. e. ch4(g) + h2o (g) → co(g) + 3 h2(g)
Answers: 2
Chemistry, 22.06.2019 12:10
Consider the reaction: n2(g) + o2(g) ⇄ 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 22:30
You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.
Answers: 3
Chemistry, 23.06.2019 05:00
Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.
Answers: 2
Which of the following processes have a δs > 0? a. n2(g) + 3 h2(g) → 2 nh3(g) b. na2co3(s) + h2...
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