The last one 1) exothermic; 2) exothermic
Formal charge can be calculated from the following formula
Formal charge = valency of central atom - (number of lone pair of electrons + number of covalent bonds)
a) for methylene:
Formal charge = 4 -( 2+ 2) = 0
b) For methyl free radical
Formal charge = 4- (3 +1) = 0
A long chain of hydrocarbon bonded to COOH is a FATTY acid.
D has a total of four significant figures.
The reaction of an Arrhenius acid with an Arrhenius base produces water and <span>A) a salt</span>