Acompound is found to have an empirical formula of ch2o. if its molecular mass is 60.0 g/mol, what is its molecular formula?

ch2o
c2h4o2
c3h6o3
c4h8o4

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together