What is the variable for the equilibrium constant

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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 2002, the rare earth elements mine in mountain pass, california was closed because

What metric units would you use to measure the thickness of a key