How many Joules of heat are gained by a 32.5g silver necklace as the temperature rises from 33.2t to 76.0C? Specific heat of silver is 0.235g/J°C

This drawing shows a human body system. what is the primary function of this body system?

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

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