12. which of these would you expect to be soluble in the nonpolar solvent hexane, c6h14? a h2o b. ch, c naci d sns,

B. CH₄

Explanation:

The primary rule in deciding solubilities is, Like dissolves like. That is,

C₆H₁₄ is a nonpolar solvent. Its strongest intermolecular forces are London dispersion forces.

CH₄ is a nonpolar solute. It contains only nonpolar C-H bonds, and its strongest intermolecular forces are London dispersion forces.

Molecules of the two compounds can easily intermingle with each other because the attractive forces between them are so small.

A is wrong. H₂O is a highly polar substance. Its molecules are so strongly attracted to each other that they will not dissolve in the C₆H₁₄.

C and D are wrong. Both NaCl and SnS are compounds of a metal and a nonmetal. We would predict them to be ionic solids, at the extreme end of polarity. They  will not dissolve in C₆H₁₄.

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

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