Suppose 50.0 dm3 of dry air at 25 °C was slowly bubbled through a thermally insulated beaker containing 250 g of water initially at 25 °C. Calculate the final temperature of the liquid. The vapour pressure of water is approximately constant at 3.17 kPa throughout, and the heat capacity of the liquid is 75.5 J K−1 mol−1. Assume that the exit gas remains at 25 °C and that water vapour is a perfect gas. The standard enthalpy of vaporization of water at 25 °C is 44.0 kJ mol−1.
Suppose 50.0 dm3 of dry air at 25 °C was slowly bubbled through a thermally insulated beaker containing 250 g of water initially at 25 °C. Calculate the final temperature of the liquid. The vapour pressure of water is approximately constant at 3.17 kPa throughout, and the heat capacity of the liquid is 75.5 J K−1 mol−1. Assume that the exit gas remains at 25 °C and that water vapour is a perfect gas. The standard enthalpy of vaporization of water at 25 °C is 44.0 kJ mol−1.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Suppose 50.0 dm3 of dry air at 25 °C was slowly bubbled through a thermally insulated beaker containing 250 g of water initially at 25 °C. Calculate the final temperature of the liquid. The vapour pressure of water is approximately constant at 3.17 kPa throughout, and the heat capacity of the liquid is 75.5 J K−1 mol−1. Assume that the exit gas remains at 25 °C and that water vapour is a perfect gas. The standard enthalpy of vaporization of water at 25 °C is 44.0 kJ mol−1.
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