What is the number of moles of CO2 in a 220. gram sample of CO2 (gram-formula mass = 44 g/mol)

Drag each label to the correct location on the chart. classify each reaction as endothermic or exothermic.

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

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?