What is the number of moles in 3.2x10^24 atoms of nitrogen? A. 1.9 moles
B. 5.3 moles
C.9.5 moles
D. 19.2 moles

Which best explains why an iceberg floats?

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.

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .