What is the empirical and molecular formula of this compound? - The unknown compound has the formula CxHyOz. 0.2045 g of this compound is burned and 0.4993 g of CO2 and 0.2044 g of H2O are isolated. The molar mass is 72.1 g/mol.

Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal