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bija089 [108]
3 years ago
7

How are elements that are gases at room temperature designated in the periodic table

Chemistry
1 answer:
Ira Lisetskai [31]3 years ago
4 0

5= Elemental hydrogen, nitrogen, oxygen, fluorine and chlorine are all gases at room temperature,

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Calculate the number of molecules in a deep breath of air whose volume is 2.15 L at body temperature, 37 ∘C, and a pressure of 7
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PV = nRT 
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First, convert 735 torr to atm. Divide by 760. 
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<span>0.0786 mol * 6.02 * 10^23 molecules / 1 mol = 4.73 * 10^22 molecules </span>
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