If a 0.5kg of Pu at 90 degree c is submerged in 2kg of water at 20 degree C inside a bomb calorimeter, what would be the final temperature of the system.  
C for Pu is 0.133j/g C
C for water is 4186 j/g C

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

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

372 ml is the volume of aluminum, density is 2.70 g/ml what is the mass in grams