Which of the following BEST represents 3.0 moles of an element? Select one answer
А
2.02 grams of H
B
14 grams of N
C
4 grams of He
D
27 grams of Be

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

What forms when chemical reactions combine pollution with sunlight?

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