What is the mass of one mole of Ba(NO3)2? (note: the numbers are
subscripts)

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients