Write the mole ratios

A. between C6H8O7 and CO2

B. between NaHCO3 and H2O

C. C6H8O7 and Na3C6H5O7

D. NaHCO3 and Na3C6H5O7

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.

What is the molecular weight of copper