1,500 grams is equal to:
1.5 kg
1.5L
1.5 cm
all of the above

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

May someone me with these science questions

What was bohr’s contribution to the planetary model