12. Explain, in terms of electron configuration, why arsenic and antimony are chemically similar.

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

Substance a is a nonpolar liquid and has only dispersion forces among its constituent particles. substance b is also a nonpolar liquid and has about the same magnitude of dispersion forces among its constituent particles. when substance a and b are combined, they spontaneously mix.