A mixture consists of 70% methane and 70 ethene by volume. assuming that air contains 20% of Oxygen of temperature by volume. calculate the volume of the air needed for the complete combustion of 50dm³ of the original mixture.

The real answer is keeping the world healthy so we won’t die

Ions gain or lose electrons

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf   

A, it is falling action my have a good day