In 2016,the 10 Most Populous Countries in the World Accounted

question 12

Multiple Choice

In 2016,the 10 most populous countries in the world accounted for ________ percent of the total world income.

• A)40
• B)50
• C)60
• D)70
• E)none of the above

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Definitions:

Second Order

Relates to a chemical reaction or process that is proportional to the product of two reactant concentrations, or to the square of the concentration of a single reactant.

Exothermic

Describes a chemical reaction that releases energy in the form of heat.

Transition States

High-energy states through which reactants must pass for a chemical reaction to occur, representing a maximum in energy on the reaction path between reactants and products.

Endothermic

A reaction or process that absorbs heat from its surroundings, resulting in a temperature decrease in the external environment.