The nitrogen gas obtained by burning an excess of phosphorus in air has a density higher than the nitrogen from nitrogen compounds because the nitrogen from air is contaminated with?

Similar Questions

What is Faraday's constant? ...

10.0 dm3 of water was added to 2.0 mol dm-3 of 2.5dm3 solution of HCl. What is the concentration of ...

An atom 17 protons, 17 electrons and 18 neutrons has a mass number of ...

The monomer of nylon is ...

Which of the following compounds has coordinate bonds in its structure? ...

The maximum number of electrons that can accommodated in the shell having the principal quantum numb...

How many valence electrons are contained in the element represented 3115P?...

Ethene undergoes mainly addition reactions because it is ...

In which of the following is the oxidation number of sulphur equal to -2? ...

If one of the following oxides is heated with hydrogen or carbon using a bunsen burner, it is not re...