Please answer it correctly!! I will give brainliest! Thank you! If I have 0.80 moles of gas at a temperature of 82.0 ˚C, and a volume of 7.0 liters, what is the pressure of the gas?

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