Calculate the number of molecules in 2.00 moles H2S. Express your answer numerically in molecules.

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

What type of organic molecule comprises the majority of a potato?

The human activities in two locations are described below: location a: rampant use of plastic containers location b: excessive use of pesticides and fertilizers which statement is most likely true? location a will have poor air quality because plastic is biodegradable. location a will experience water scarcity because plastic absorbs moisture. the population of honeybees will increase in location b because production of crops will increase. the population of fish in location b will decrease because the water is contaminated.