(b) Butane has the formula C. H. Complete the displayed (structural) formula for one molecule of butane.
H Н
H--C С
HI
(c)
Complete the word equation for the complete combustion of butane.
butane + oxygen —

This drawing shows a human body system. what is the primary function of this body system?

Aconcentrated solution of ammonia is 14.8m and has a density of 0.899g/l. what is the concentration of ammonia in this solution in weight percent (%w/w)?

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.