1.What is ozone? How is it formed at the higher level of the atmosphere ? What is likely to happen if the ozone layer is continuously damaged, which is in fact happening at the moment ? List any two consequences of it.

How many grams of n2h4 will be consumed by 23 g of n2o4

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

What type(s) of intermolecular forces are expected between ch3ch2cooh molecules? dipole forces, induced dipole forces, hydrogen bonding