Osmotic pressure of a solution of a compound is given and number of ions in the solute compound has to be determined. Concept Introduction: In the process of osmosis , the solvent molecules pass through a semi - permeable membrane from less concentrated solution to more concentrated solution. The pressure that has to be applied to prevent the flow of solvent molecules is called osmotic pressure . It is expressed as, π = M R T Where, π = osmotic pressure M = Molar concentration R = Universal gas constant T = Temperature Molarity or molal concentration is one of the many parameters that is used to express concentration of a solution . It is expressed as, Molarity = n u m b e r of m o l e s o f solute v o l u m e of solution in L

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Using reaction free energy to predict equilibrium composition Consider the following equilibrium: N2O4 (g) 2NO2 (g) AG⁰ = 5.4 kJ Now suppose a reaction vessel is filled with 1.68 atm of dinitrogen tetroxide (N204) at 148. °C. Answer the following questions about this system: rise Under these conditions, will the pressure of N2O4 tend to rise or fall? x10 fall Is it possible to reverse this tendency by adding NO2? In other words, if you said the pressure of N2O4 will tend to rise, can that be changed to a tendency to fall by adding NO2? Similarly, if you said the pressure of N2O4 will tend to fall, can that be changed to a tendency to rise by adding NO2? If you said the tendency can be reversed in the second question, calculate the minimum pressure of NO 2 needed to reverse it. Round your answer to 2 significant digits. yes no 0.42 atm ☑ 5 0/5 ? مله Ar

Answer 1

Question

Chapter 12, Problem 12.81QP

Interpretation Introduction

Interpretation:

Osmotic pressure of a solution of a compound is given and number of ions in the solute compound has to be determined.

Concept Introduction:

In the process of osmosis, the solvent molecules pass through a semi - permeable membrane from less concentrated solution to more concentrated solution. The pressure that has to be applied to prevent the flow of solvent molecules is called osmotic pressure. It is expressed as,

π = MRT

Where,

π = osmotic pressureM = Molar concentrationR = Universal gas constantT = Temperature

Molarity or molal concentration is one of the many parameters that is used to express concentration of a solution. It is expressed as,

Molarity = number of moles of solutevolume of solution in L

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