Which of the following uses the unit of "u"? a. atomic weights of atoms c. molecular weights of molecules b. relative masses of atoms d. more than one response is correct (5pts) Question 5 - Which of the following uses the unit of "u"? a. atomic weights of atoms c. molecular weights of molecules b. relative masses of atoms d. more than one response is correct

What reaction is taking place? 02 + c3h8 = h20 + co2

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m