HELP PLEASE!!! The volume of a sample of gas at 25 oC is 10.0 L. What must the final temperature (in kelvin) be for the volume to reduce to 7.40 L?
A. 221K
B. 251 K
C.261 K
D.112 K

Answer:             1.0  × 10⁻⁵ msolution:                     as we know ph is given as,                                    ph  = -log [h⁺]and,                                    [h⁺]  =  10^-ph    (1)putting value of ph in eq. 1,                                    [h⁺]  =  10⁻⁵                                    [h⁺]  =  1.0  × 10⁻⁵ m

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Increasing the temperature of a gas in a container may:
increase pressure