Calculate the volume of a liquid with a density of 5.45 g/ml and a mass of 65 g

Analyze how limestone is weathered and identify the features that are formed as a result of this dissolution

The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms

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?