Rust forms when the iron is exposed to water and oxygen.
True
False

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

In salt water solution,the salt is the blank

Which of the following are correct values for the ideal gas laws constant r