If a gas is compressed and heated, the pressure increases. This is due to which of the following? A. gas molecules evaporating
B. gas molecules striking the walls of the container
C. gas molecules condensing
D. more molecules of gas being produced

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

A1.5l container holds p.50 grams of an unknown gas at a pressure of 0.44 atm and a temperature of 50.c what is the molar mass of the unknown gas