Ch 2 Sections 10-16

Question 1

Which of the following is a unique property of water

Answer 1

Cohesion
Ice floats bc it is less dense than water
Temp regulation
Acts as universal solvent

Question 2

Bc water is ______, it is able to dissolve many of life’s important substances

Answer 2

universal Solvent

Question 3

Oils are nonpolar substance (molecules formed by nonpolar Covalent bonds) that do not interact with water, Propose am explanation for why oils are no attracted to water, where a substance like NaCI (table salt) is attracted to h2O

Answer 3

polar to polar
(H2o)(slat)

Nonpolar to non polar
(Oil)(dawn soap)

Question 4

You observe a substance dissolving in water. What is likely to be true about the substance

Answer 4

Polar

Question 5

As hydrogen concentration increases, the pH (increase or decrease)-

Answer 5

Decrease

Question 6

Look on study giuld 6