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OLga [1]
3 years ago
10

Which statement is true for a pure compound but NOT true for a pure element?

Chemistry
1 answer:
amid [387]3 years ago
5 0
A pure compound contains many elements.
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Tim wants to store 0.122 moles of helium gas at 203 kPa and 401 K. Which is the volume of the helium gas needed for storage?
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 The  volume  of Helium gas needed for storage  is 2.00 L (answer C)


 <u><em> calculation</em></u>

 The volume of Helium is calculated using ideal gas equation

That is Pv =nRT

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