Match each change of state with its description.
melting
vaporization that occurs at the...
Chemistry, 06.05.2020 05:27 wwwserban9281
Match each change of state with its description.
melting
vaporization that occurs at the
surface of a liquid
freezing
the process by which a liquid
becomes a solid
the process by which a solid becomes
a gas
sublimation
vaporization that occurs below the
surface of a liquid
boiling
the process by which a solid becomes
a liquid
evaporation
Answers: 3
Chemistry, 21.06.2019 20:00
2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4
Answers: 1
Chemistry, 22.06.2019 07:00
The boiling point of propanoic acid is higher than that of 1-butanol because: propanoic acid has a higher molecular weight than 1-butanol. propanoic acid is more soluble in water than 1-butanol. propanoic acid is a better hydrogen bond donor than 1-butanol. propanoic acid forms hydrogen bonded dimers and 1-butanol does not. 1-butanol forms hydrogen bonded dimers and propanoic acid does not.
Answers: 2
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