All of the following methods would increase the solubility of a solid solute, except for

a. increasing the temperature heating the solution.
b. stirring the particles more vigorously.
c. turning down the heat.
d. chopping the solid into finer pieces.

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.