What was used in the first voltaic cell to allow for ion flow between the solutions of cuso4 and znso4?
a. a porous barrier
b. a non-porous barrier
c. a platinum bridge
d. a salt bridge

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?

On the periodic table, elements are arranged by which of the following. a. mass numbers. b. increasing atomic number. c. alphabetical order. or d. density

•what conclusions can you make about the relationship between the volume of a gas and its temperature? • what conclusions can you make about the relationship between the volume of a gas and its pressure? • what possible variables have you not accounted for? as you did the procedures, is it possible that the atmospheric pressure may have changed? if it did change over the course of your experiment, then how would your results have been affected?