For two solutions containing the same concentration of nickel, the atomic absorption at 352.4 nm was about 30% greater for a solution that contained 50% ethanol than for an aqueous solution that contained no ethanol. Explain.

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

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.

Electric charge is what ? a. kinetic energy b. radiation c. discovery d. electricity