The structure of hydrogen sulphide (Mr = 34.1 g mol-1
) is analogous to water (Mr = 18.0g
mol-...
The structure of hydrogen sulphide (Mr = 34.1 g mol-1
) is analogous to water (Mr = 18.0g
mol-1
). Despite having larger molecular mass than water, the boiling point of hydrogen
sulphide at STP is -60.2°C whereas the boiling point of water is 99.61 °C under the same
condition. Explain this observation.
Answers: 1
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Amixture initially contains a, b, and c in the following concentrations: [a] = 0.300 m , [b] = 1.05 m , and [c] = 0.550 m . the following reaction occurs and equilibrium is established: a+2b⇌c at equilibrium, [a] = 0.140 m and [c] = 0.710 m . calculate the value of the equilibrium constant, kc.
Answers: 1
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The lewis diagrams for magnesium and fluorine are shown below. what is the correct chemical formula for magnesium fluoride? a. mgf b. mg2f c. mgf2 d. mg2f3
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