Calculate the oxidation state of the element underlined. a) Na2O2 (the O is underlined)
b) VO2+ (the V is underlined)
c) ClO3- (the Cl is underlined)
d) Mg3(PO4)2 (the P is underlined)

What is the chemical formula of the following compound

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

After cloud droplets form, what must happen to them for precipitation to occur?