PLEASE HELP DUE TODAY 55 POINTS
The volume of a gas is 27.5 mL at 22.0°C and 0.974 atm. What will the volume be at 15.0°C
and 0.993 atm?
(5 Points)
22.1 mL
26.3 mL
2.2 mL

Answer : The final volume of gas will be, 26.3 mL

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

where,

= initial pressure of gas = 0.974 atm

= final pressure of gas = 0.993 atm

= initial volume of gas = 27.5 mL

= final volume of gas = ?

= initial temperature of gas =

= final temperature of gas =

Now put all the given values in the above equation, we get:

Therefore, the final volume of gas will be, 26.3 mL

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