What is the empirical formula for a compound that is 43.4% C, 1.2% H, 38.6% O, and 16.9% N?

Which of these features are formed when hot groundwater is forced out through cracks in the earth's surface?

If you are told to get 100 ml of stock solution to use to prepare smaller size sample for an experiment, which piece of glassware would you use?

The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.