Determine the molecular weight of H2O.
189
18.0 g
18.019
18.016 9

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

For each of the compounds below, show that the charges on the ions add up to zero. a. kbr b. cao c. li(2)o d. cacl(2) e. alcl(3)