Which of these is a physical property? a) ability to burn a piece pf paper b) pure sodium reacts violently with water c) the boiling point of water is 100° c

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

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?

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?