An unknown compound contains only C , H , and O . Combustion of 8.90 g of this compound produced 20.2 g CO2 and 8.28 g H2O . What is the empirical formula of the unknown compound

The drawing represents the movement of particles in a substance. what changes of state can this substance undergo

What is the standard unit of measure for acceleration?

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.