How many moles of carbon dioxide are produced when 23.0 g of C3H2O3 is burned during the complete combustion of C3H2O3?
O 33.0 mol
O 0.250 mol
O 0.750 mol
O 3.00 mol
O 0.0833 mol

Explain what happens at the saturation point when adding salt to water at room temperature.

Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)