Nonpolar substances do not dissolve in polar solvents like water. If you are conducting an investigation to test the solubility of different substances, which of these substances do you expect to be insoluble in water?
(a) ammonia (NH3)
(b) hydrogen sulfide (H2S)
(c) hydrogen fluoride (HF)
(d) silane (SiH4)

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

How do you lengthen a pattern piece? (family and consumer science, sewing)

Is 9 correct? and can someone me with 10? it’s due tomorrow, you