EBK CHEMICAL PRINCIPLES IN THE LABORATO
EBK CHEMICAL PRINCIPLES IN THE LABORATO
11th Edition
ISBN: 9780100546066
Author: SLOWINSKI
Publisher: YUZU
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Chapter 2, Problem 3ASA
Interpretation Introduction

Interpretation:

The reason as to why the experiment should not be stopped if the solvent moves 3 cm in about 10minutes instead of waiting 75 minutes for the solvent to move 10 cm is to be stated.

Concept introduction:

Chromatography is the technique used to identify the components of a mixture. The chromatography technique has the efficiency to segregate the mixture containing the different components. Every component has different polarity. The separation of mixture is based upon the polarity of the components present in the mixture.

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Q2. Consider the hydrogenation of ethylene C2H4 + H2 = C2H6 The heats of combustion and molar entropies for the three gases at 298 K are given by: C2H4 C2H6 H2 AH comb/kJ mol‍¹ -1395 -1550 -243 Sº / J K¹ mol-1 220.7 230.4 131.1 The average heat capacity change, ACP, for the reaction over the temperature range 298-1000 K is 10.9 J K¹ mol¹. Using these data, determine: (a) the standard enthalpy change at 800 K (b) the standard entropy change at 800 K (c) the equilibrium constant at 800 K.

Chapter 2 Solutions

EBK CHEMICAL PRINCIPLES IN THE LABORATO

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