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Consider 100 g of aluminum (p = 2700 kg/m^3) and 100 g of lead (p =...

Consider 100 g of aluminum (p = 2700 kg/m^3) and 100 g of lead (p = 11,300 kg/m^3). a. Which as a greater volume? Show why this is true mathematically. b. Which contains a larger number of moles? Show why this is true mathematically. c. Which contains more atoms? Show why this is true mathematically.

A 685-liter oxygen tank contains oxygen gas at 20℃ . When the tank is full, the pressure gauge reads 3000 psi. a. How many oxygen molecules are in the cylinder? b. What is the number density of the oxygen? c. How much does the oxygen in the tank weigh?

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genius_generous answered 2 years ago
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