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Chapter 12, Problem 084 A tall column of water is open to the atmosphere. At a depth of 10.3 m below the surface, the water is boiling. What is the temperature at this depth? Use the vapor pressure curve for water that accompanies this problem. 4 x 10 100 °C 1.01 x 105 pa 3 x 10 0.53 x 105 Pa 2 x 10 83 C 1.01 x 105 0.53 x 105 50 83 100 150 Temperature, C Number Units the tolerance is +/-2%Please Help!

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Answer #1

The water will boil if the vapor pressure of the water is equal to the ambient pressure. The pressure at a depth h in the water can be determined from

P = Po+rho*g*h

P= 1.01 x 10^5 + (1000 * 9.8 * 10.3 m ) = 2.02 x 10^5 Pa

in figure vapor pressure 2.02 x 10^5 Pa is equal at 125 oC

T = 125 oC

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