What must you add to balance a half-reaction in an acidic solution?
A. Just add oxygen molecules to balance the equation.

B. Just add water molecules to balance the equation.

C. Just add hydrogen ions and water molecules to balance the equation.

D. Just add hydroxide ions and water molecules to balance the equation.

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

Nonpoint source pollution is difficult to control because it

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.