IIT-JEE Exam

The Henry’s law constant for the solubility of N2 gas in water at 298 K is 1.0 × 10^5 atm. The mole fraction
of N2 in air is 0.8. The number of moles of N2 from air dissolved in 10 moles of water at 298 K and 5 atm
pressure is

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IIT-JEE Other Question

match
Two intersecting circles (p) have a common tangent
(B) Two mutually external circles (q) have a common normal
(C) two circles, one strictly inside the other (r) do not have a common tangent
(D) two branches of a hyperbola (s) do not have a common normal The reaction of P4 with X leads selectively to P4O6. The X is
(A) Dry O2 (B) A mixture of O2 and N2
(C) Moist O2 (D) O2 in the presence of aqueous NaOH