Which Of The Samples Most Likely Had The Lowest Solubility

Question: What happens to water when it freezes?

Answer: Its density decreases.

Question: The picture below shows a mixture that was stirred 3 minutes ago.

mc004-1.jpg

What should this mixture be classified as?

Answer: suspension

Question: Which contributes to the polarity of a water molecule?

Answer: deflection of hydrogen atoms by lone pairs of electrons

Question: Which is true about the dissolving process in water?

Answer: Water molecules are attracted by solute ions at the surface of the solute.

Question: Which factor causes a decrease in the rate of dissolution?

Answer: decreasing the surface area of the solute

Question: Which statements are true of heterogeneous mixtures?

1) They settle out.

2) The proportions of solute to solvent may vary.

3) The solute is evenly distributed throughout.

4) They are composed of two solvents and two solutes.

Answer: 1 and 2

Question: What type of mixture scatters light and cannot be filtered easily?

Answer: a colloid, a heterogeneous mixture

Question: Which describes a property of water that allows plants to transfer it from their roots to their leaves?

Answer: Water exhibits strong adhesion and cohesion, which allows capillary action to occur.

Question: What is the name of a solution whose concentration of solute is equal to the maximum concentration that is predicted from the solute’s solubility?

Answer: saturated

Question: The table below shows four samples of carbon dioxide and the temperature of the water that they were dissolved in.

Which of the samples most likely had the lowest solubility?

Answer: 3