The empirical formula for cyclohexane is CH2 and its molar mass is 84.18 g/mole. What is its molecular formula?

What must happen before a body cell can begin mitotic cell division

At a temperature of 393 k, the temperature of a sample of nitrogen is 1.07 atm what will the pressure be at a temperature of 478 k

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