A sample of gas collected at 885 mm Hg occuples 266 ml. At constant temperature, what pressure does the gas exert if the volume increases to 444 mu?

Based on the equation and the information in the table, what is the enthalpy of the reaction?

What is the overall order of reaction for rate = k[no2]2 ? second order 3/2 order third order zero order none of the listed answers are correct

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?