Which of the following reactions illustrates the law of conservation of mass? 12.3 g A + 9.6 g B → 23.9 g C
43.2 g A + 17.9 g B → 30.1 g C + 31.0 g D
68.2 g A→ 27.1 g B+ 43.5 g C 18.7 g A + 22.4 g B → 26.3 g C + 21.6 g D

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.

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Draw the structure for 5-isopropyl-2-methyl-3-nonene