What is the mole ratio for nitrogen if you have 5.1 moles of nitrogen and 12.3 moles of neon?

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   

C. definite shape, definite volume. that is a solid.

Use a magnet to separate iron, evaporate water, i'm not sure how to separate the other two i'm sorry but good luck

Reaction type : double replacement hcl + lioh = h2o + licl