For the following amino acids, draw a triangle around the amine group, draw a square around the carboxyl and circle the side group.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?

Anyone who's in connections academy chemistry b have the factors that affect the rate of a reaction portfolio already done?