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Two flasks A and B have equal volume. Fl...

Two flasks A and B have equal volume. Flask A contains hydrogen at 300 K while flask B has an equal mass of `CH_(4)` at 600 K.
which flask contains larger number of moleculars?
b. In which flask is the pressure greater and by how many times?

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a. A has larger number of molecules
b. pressure is higher in B
c. molecules move faster in B
d. B.
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