Determine the Solubility of N₂ in Water Exposed to Air

question 36

Multiple Choice

Determine the solubility of N₂ in water exposed to air at 25 °C if the atmospheric pressure is 1.2 bar. Assume that the mole fraction of nitrogen is 0.78 in air and the Henry's law constant for nitrogen in water at this temperature is 6.1 × 10^-4 mol L^-1 bar^-1.

• A) 1.5 × 10^-4 mol L^-1
• B) 6.5 × 10^-4 mol L^-1
• C) 5.7 × 10^-4 mol L^-1
• D) 1.8 × 10^-4 mol L^-1
• E) 3.6 × 10^-4 mol L^-1

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Characteristics that emerge during puberty but are not directly involved in reproduction, such as breast development in females and facial hair growth in males.

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The process by which a child becomes aware of their gender and thus behaves accordingly by adopting values and attributes of members of the sex that they identify with.

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