You perform a combustion analysis on a 255mg sample of a substance that contains only c, h, and o and you find that 561 mg of co2 is produced along with 306 mg of h20. what is the empirical formula

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Omg imgonnafailnfiedkla use complete sentences to explain how the mass of hydrogen is conserved during cellular respiration.

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.