I NEED HELP ASAP Question 15

Calculate the mass of 15 L of propane at STP. (See problem 15 for the chemical formula of propane.)

  the mississippians were considered to be  horticulturalists, which means they were

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.

Which one of the following bonds would you expect to be the most polar? a) b–h b) n–h c) p–h d) al–h e) c–h