22. An ideal solution contains 92. 1g of glycerin, C,H,(OH),, and 184.4 g of ethanol, C,H,OH, at 40°C. The vapor pressure of pure ethanol is 0.178 atm at 40 °C. What is the molality of the solution?What is the vapor pressure of a solution?5.43 m, 57.86 torrD. 5.43 m, 23.4 torrB. 21.7 m, 90.34 torrC. 21.7 m, 12.56 torr23. Salt could be added to ice to lower the melting temperature of the ice so it easily freezes the icecream mixture. If 3.5 m of salt was added to ice, determine its new freezing point.A. 6.0 °CD. -6.5 °CC. 6.5 °CB. -6.0 °C24. Two moles of aluminum was heated from 45 °C to 93 °C. Calculate the amount of heat absorbedby aluminum. Specific heat of Al= 0.90 J/g-KA. 1333 J4333 JB. 2333 JC. 3333 JD.25. Calculate the standard enthalpy change, AH, for the following reaction:2CH,OH, + 30 2 CO+4H,OGiven:AHP = -238.7 kJ/molAH = -393.5 kJ/molAH = -285.8 kJ/molCH,OHH,OA. -918 kJ/molB. +918 kJ/molC. -1452.8 kJ/molD. +1452.8 kJ/mol

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22. An ideal solution contains 92. 1 g of glycerin, C,H,(OH),, and 184.4 g of ethanol, C,H,OH, at 40 °C. The vapor pressure of pure ethanol is 0.178 atm at 40 °C. What is the molality of the solution? What is the vapor pressure of a solution? 5.43 m, 57.86 torr D. 5.43 m, 23.4 torr B. 21.7 m, 90.34 torr C. 21.7 m, 12.56 torr

22. An ideal solution contains 92. 1 g of glycerin, C,H,(OH),, and 184.4 g of ethanol, C,H,OH, at 40 °C. The vapor pressure of pure ethanol is 0.178 atm at 40 °C. What is the molality of the solution? What is the vapor pressure of a solution? 5.43 m, 57.86 torr D. 5.43 m, 23.4 torr B. 21.7 m, 90.34 torr C. 21.7 m, 12.56 torr

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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