You have a sugar solution (solution a) with concentration x. you pour one-fourth of this solution

into a beaker, and add an equivalent volume of water (solution b).

a) what is the ratio of sugar in solutions a and b?

b) compare the volumes of soutions a and b.

c) what is the ratio of the concentrations of sugar in solutions a and b?

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

You just calculated that the heat of fusion for chloromethane is 6400 j/mol. the heat of fusion for hydrogen is 120 j/mol.? which of the following account for this difference? more than one correcta. chloromethane can absorb more energy at the same temperature. b. hydrogen has stronger intermolecular forces than chloromethane. c. hydrogen molecules can pack more closely than chloromethane molecules. d. chloromethane experiences dipole-dipole interactions. e. chloromethane has a higher molar mass than hydrogen.

Why does ammonia, nh3, behave as a base when it reacts with an acid? z