A0.1375-g sample of magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 1769 j c1. the calorimeter contains exactly 300 g of water, and the temperature increases by 1: 126c. calculate the heat given o¤ by the burning magnesium, in kj g1 and in kj mol

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