A 20-liter cylinder contains 6 atmospheres (atm)
of gas at 27 C. What would the
pressure of the gas be if the
gas was heated to 77 C?
I

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Which of these conditions most likely produces an unstable isotope?

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