Chemistry, 04.11.2019 20:31 elijahjacksonrp6z2o7
We can use hess's law to calculate enthalpy changes that cannot be measured. one such reaction is the conversion of methane to ethylene: 2ch4(g)⟶c2h4(g) 2h2(g) part a calculate the δh∘ for this reaction using the following thermochemical data: ch4(g) 2o2(g)⟶co2(g) 2h2o(l) δh∘
Answers: 3
Chemistry, 22.06.2019 19:30
Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.
Answers: 2
Chemistry, 23.06.2019 00:30
There are approximately 15 milliliters (ml) in 1 tablespoon (tbsp). what expression can be used to find the approximate number of milliliters in 3 tbsp?
Answers: 1
Chemistry, 23.06.2019 16:10
Which quote from the passage best illustrates della’s optimism? “…and at length she was able to look up with dim eyes and a smile and say: "my hair grows so fast, jim! ” “…her heart had simply craved and yearned over them without the least hope of possession.” “and now, they were hers, but the tresses that should have adorned the coveted adornments were gone.” “beautiful combs, pure tortoise shell, with jewelled rims--just the shade to wear in the beautiful vanished hair.”d, ardent, most likely means? gloomy calm passionate innocent
Answers: 2
Chemistry, 23.06.2019 19:00
In which of the following is concentration expressed in percent by volume
Answers: 2
We can use hess's law to calculate enthalpy changes that cannot be measured. one such reaction is th...
Mathematics, 20.09.2020 03:01
Social Studies, 20.09.2020 03:01
History, 20.09.2020 03:01
Biology, 20.09.2020 04:01
Mathematics, 20.09.2020 04:01
Mathematics, 20.09.2020 04:01
Law, 20.09.2020 04:01
Spanish, 20.09.2020 04:01
Mathematics, 20.09.2020 04:01
Health, 20.09.2020 04:01
Mathematics, 20.09.2020 04:01