Now they feel it is best to have you identify an unknown gas based on its properties. suppose 0.508 g of a gas occupies a volume of 0.175 l at a temperature of 25.0◦c is held at a pressure of 1.000 atm. what gas is this most likely?
neon
chlorine
fluorine
oxygen
krypton

Option (b) is the correct answer.

Explanation:

The given data is as follows.

             mass = 0.508 g,               Volume = 0.175 L

             Temperature = (25 + 273) K = 298 K,       P = 1 atm

As per the ideal gas law, PV = nRT.

where,  n = no. of moles =

Hence, putting all the given values into the ideal gas equation as follows.

               PV =            

           1 atm \times 0.175 L =  

                            = 71.02 g

As the molar mass of a chlorine atom is 35.4 g/mol and it exists as a gas. So, molar mass of is 70.8 g/mol or 71 g/mol (approx).

Thus, we can conclude that the gas is most likely chlorine.

if the concentration of products is decreased, the equilibrium will shift toward the products). add an inert gas (one that is not involved in the reaction) to the constant-volume reaction mixture: this will increase the total pressure of the system, but will have no effect on the equilibrium condition.

explanation:

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