AnswersS1S Chemistry B E4912 - AGSolutions and Solubility

Solutions and Solubility Answers

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Under which conditions would the solubility of a gas be greatest?

A
high pressure and high temperature
B
high pressure and low temperature
C
low pressure and high temperature
D
low pressure and low temperature
5

Which is true about the dissolving process in water?

A
Nonpolar solutes dissolve easily in water.
B
Solute molecules surround water molecules.
C
Molecules or ions of a solute spread throughout the water molecules.
D
Water molecules are repelled by solute ions at the surface of the solute.
7

A student was comparing the solubility of equal amounts of table salt and table sugar at different temperatures.The table below shows the four samples that the student used and the temperature of the water that they were dissolved in.SampleNameChemical formulaTemperature of water (°C)1Table sugarC12H22O11 802Table sugarC12H22O11 453Table salt NaCl 554Table saltNaCl 63Which of the samples most likely had the highest solubility?

A
1
B
2
C
3
D
4
9

Under which conditions will sugar most likely dissolve fastest in a cup of water?

A
a sugar cube with stirring at 5°C
B
a sugar cube without stirring at 15°C
C
sugar crystals with stirring at 15°C
D
sugar crystals without stirring at 5°C
10

Which is the second step in the dissolving process?

A
The solute is mixed with the solvent.
B
The solute ions are carried into the solution.
C
The solvent molecules surround the solute particles.
D
The solvent molecules are attracted to solute particles or ions.

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