Please HELP me PLEASE HELP MEEE

Nitrogen dioxide reacts with water to form nitric acid and nitrogen monoxide according to the equation: 3no2(g)+h2o(l)→2hno3(l)+no(g) part a suppose that 4.2 mol no2 and 0.50 mol h2o combine and react completely. which reactant is in excess? express your answer as a chemical formula. nothing

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

In pqr m< p=60 m< q= 30 and m