How many moles of gases are in a can with a volume of 555 mL and a pressure of 600.0 kPa at 20.0°C? Volume needs to be converted to Liters because R is in liters, not mL

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