The volume of a sample of oxygen is 300.0 mL when the pressure is 1 atm and the temperature is 27.0°C. At what temperature is the volume 1.00 L and the pressure 0.500 atm?

Temperature and kinetic energy are proportional. a) adirectly b) directly c) indirectly

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

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