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Fig shows of PV//T versus P for 1.00 xx ...

Fig shows of `PV//T` versus P for `1.00 xx 10^(-3) kg` of oxygen gas at two different temperatures.
(a) What does the dotted plot signify ?
(b) Which is true : `T_(1) lt T_(2) or T_(2) lt T_(1) ?`
( c) What is the value of `PV//T` where the curves meet on the Y-axis ?
(d) If we obtained similar plot for `1.00 xx 10^(-3) kg` of hydrogen, would we get the same value of `PV//T` at the point where the curves meet on the y-axis ? If not, what mass of hydrogen yield the same value of `PV//T` (for low pressure high temperature region of the plot) ? (Molecular mass of `H = 2.02 u`, of `O = 32.0 u, R = 8.31 J "mol"^(-1) K^(-1)`

Text Solution

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(a) The dotted plot corresponds to .ideal gas behaviour, (b) `T_(1) gt T_(2)`: (c) `0.26 J K^(-1)`, (d) No, `6.3 xx 10^(-5)` kg of `H_(2)` would yield the same value
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