Use the phase rule on system, Chemistry

Assignment Help:

Q. Consider a system containing only NH4Cl(s), NH3(g), and HCl(g). Assume that the equilibrium NH4Cl(s) ⇔ NH3(g), and HCl(g) exists.

(a) Suppose you prepare the system by placing solid NH4Cl in an evacuated flask and heating to 400K. Use the phase rule to decide whether you can vary the pressure while both phases remain in equilibrium at 400K.

(b) According to the phase rule, if the system is not prepared as described in part (a) could you vary the pressure while both phases remain in equilibrium at 400K? Explain.

(c) Rationalize your conclusions for these two cases on the basis of the thermodynamic equilibrium constant. Assume that the gas phase is an ideal gas mixture and use the approximate expression K = pNH3 pHCl / (p0)2.

 


Related Discussions:- Use the phase rule on system

Explain the illustration modelling for process and recipe, Strategy 3 ...

Strategy 3 Two levels of wheat flour 3960g and 3940g and two levels of baking powder 60g and 40g are selected to be tested. In all trials the percentages of A, B and C are fix

What are changes in matter, Q. What are Changes in Matter? Matter is ab...

Q. What are Changes in Matter? Matter is able to undergo two fundamental kinds of changes. Changes that don't alter the composition of matter are called physical changes. Sta

Effects of substituents on the acidity of phenols, Effects of substituents ...

Effects of substituents on the acidity of phenols: Existence of electron attracting group, (for example -NO 2 , -X, - NR + 3 ,  -CN, -CHO, -COOH) on the benzene ring increases

Fuel - octane, what compounds is used to to change single bonded octane int...

what compounds is used to to change single bonded octane into double bounded high octane

Explain basic physical properties of gas, Q. Explain Basic physical propert...

Q. Explain Basic physical properties of Gas? Ans. Gases are the least dense phase of matter. Gases can be easily expanded or compressed. They exert pressure equally in

Types of spectral interferences, Types of spectral interferences: Whil...

Types of spectral interferences: While a quantitative analysis using a standard calibration curve is carried out, the calibration plot of emission intensity vs concentration o

Meralargy, role of silica in cupper abstraction

role of silica in cupper abstraction

How can a living cell control the position of second peak, Explain the two ...

Explain the two peaks in the diagram. How can a living cell control the position of the second peak to adapt the properties of its membrane to the demands of life? In blood, li

Show the chemical properties of group 13, Q. Show the Chemical Properties o...

Q. Show the Chemical Properties of Group 13? Elements of Group 13 are comparatively less reactive than the alkali and alkaline earth metals of Groups 1 and 2 However, the +acti

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd