Convert 7.5 pounds into kilograms. (1 pound = 454 g, 1kg = 1000 g )

(1.6 × 10-19)(5.0 × 106) = c × 10d identify the missing numbers below to show the result of multiplying the numbers.

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

When a scientific theory has been tested and proved by the scientific community, it becomes a law