Be sure to answer all parts. What are E° and deltaG° of a redox reaction at 25°C for which n=2 and K= 57?
cell

The answer is a) carbon-12

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   

Answer///an early form of the atomic theory; dalton atomic theory;