Which reactions are oxidation-reduction reactions? check all that apply
2na+ cl2 → 2nacl
pb(oh)2 -> pbo + h2o
cu + 2agno3 → cu(no3k + 2ag
znbr2 + 2agno, → agbr + zn(no3)2
ch₂ +20₂co₃+h₂o

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Which compound should undergo substitution of the bromine by phenolate anion? draw the structure of the organic product?

Which correctly identifies the parts of a transverse wave? a: crest b: amplitude c: wavelength d: trough a: trough b: amplitude c: crest d: wavelength a: trough b: amplitude c: wavelength d: crest a: crest b: amplitude c: trough d: wavelength