True or false an amorphous solid has a definite melting point.

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

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Which of these expressions are correct variations of the combined gas law? p1v1t2 = p2v2t1 both