What is the final, balanced equation that is formed by combining these two half reactions? Cu → Cu2+ + 2e-

NO3 + 2e + 2H+ → NO2+H20

A. Cu2+ + NO3 + 4e + 2H → Cu + NO2 + H2O

B. Cu + NO3 + 2H+ → Cu2+
+ NO 2 + H20

C. 2Cu + NO3 + 2H → 2Cu2+ + NO3 + H20

D. Cu+ NO3 + 2H+ → Cu2+ + NO3 + 2H20

The answer is B on edg 2020

Newtons second law deals most cosely with

Match the name of the following compound:   mgso4  · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.