Borane (bh3) adds to alkenes to form an alkylborane. in the first box draw the mechanism arrows, and in the second box draw the correct product. be sure to add lone pairs of electrons and nonzero formal charges to all species.

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the answer is   c.) 1575 j.

explanation:

the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3