A sample contains only C, H, & O. Combustion of 19.57 mg of sample yields 34.42 mg CO2 and 8.72 mg H2O. The molar mass of the compound is 303 g/mol. what is the empirical and molecular formula

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same

Give the orbital configuration of the phosphorus (p) atom.