The molar enthalpy of combustion, fuel value and percentage of hydrogen by mass of the given hydrocarbons is to be calculated; also the relationship between hydrogen content and the fuel value is to be determined. Concept Introduction: The molar enthalpy change of the given reaction is calculated by the difference of sum of the enthalpy change of products and reactants. The fuel value of the given hydrocarbons is calculated by dividing its molar enthalpy of combustion by the molar mass. The percentage hydrogen content of the hydrocarbon is calculated by dividing the molar mass of hydrogen in the given hydrocarbon by the molar mass of hydrocarbon and multiplying the resultant value by 100 . (a) To determine: The molar enthalpy of combustion for the given hydrocarbons.
The molar enthalpy of combustion, fuel value and percentage of hydrogen by mass of the given hydrocarbons is to be calculated; also the relationship between hydrogen content and the fuel value is to be determined. Concept Introduction: The molar enthalpy change of the given reaction is calculated by the difference of sum of the enthalpy change of products and reactants. The fuel value of the given hydrocarbons is calculated by dividing its molar enthalpy of combustion by the molar mass. The percentage hydrogen content of the hydrocarbon is calculated by dividing the molar mass of hydrogen in the given hydrocarbon by the molar mass of hydrocarbon and multiplying the resultant value by 100 . (a) To determine: The molar enthalpy of combustion for the given hydrocarbons.
Interpretation: The molar enthalpy of combustion, fuel value and percentage of hydrogen by mass of the given hydrocarbons is to be calculated; also the relationship between hydrogen content and the fuel value is to be determined.
Concept Introduction: The molar enthalpy change of the given reaction is calculated by the difference of sum of the enthalpy change of products and reactants.
The fuel value of the given hydrocarbons is calculated by dividing its molar enthalpy of combustion by the molar mass. The percentage hydrogen content of the hydrocarbon is calculated by dividing the molar mass of hydrogen in the given hydrocarbon by the molar mass of hydrocarbon and multiplying the resultant value by 100 .
(a)
To determine: The molar enthalpy of combustion for the given hydrocarbons.
Step 1:
Interpretation Introduction
To determine: The molar enthalpy of combustion of 1,3-butadiene.
Step 2:
Interpretation Introduction
To determine: The molar enthalpy of combustion of 1-butene.
Step 3:
Interpretation Introduction
To determine: The molar enthalpy of combustion of n-butane.
(b)
Interpretation Introduction
To determine: The fuel value of the given hydrocarbons.
Step 1:
Interpretation Introduction
To determine: The fuel value of 1,3-butadiene.
Step 2:
Interpretation Introduction
To determine: The fuel value of 1-butene.
Step 3:
Interpretation Introduction
To determine: The fuel value of n-butane.
(c)
Interpretation Introduction
To determine: The percentage of hydrogen by mass in the given hydrocarbons.
Step 1:
Interpretation Introduction
To determine: The percentage of hydrogen by mass of 1,3-butadiene.
Step 2:
Interpretation Introduction
To determine: The percentage of hydrogen by mass of 1-butene.
Step 3:
Interpretation Introduction
To determine: The percentage of hydrogen by mass of n-butane.
(d)
Interpretation Introduction
To determine: The relationship between hydrogen content and the fuel value of given hydrocarbons.
Using Benzene as starting materid show
how each of the Following molecules Contel
Ve syntheswed
CHI
9.
b
-50311
с
CHY
503H
Ночто
d.
อ
•NOV
e
11-0-650
NO2
The molecule PYRIDINE,
6th electrons and is therefore aromatre
and is Assigned the Following structure
contering
Since aromatk moleculoy undergo electrophilic
anomatic substitution, Pyridine shodd undergo
The Following reaction
+ HNO3
12504
a. write all of the possible Mononitration Products
that could Result From this reaction
18. Bared upon the reaction mechanison determime
which of these producty would be the major
Product of the hegetion
a. Explain Why electron withdrawing groups
tend to be meta-Directors. Your answer Should
lyclude all apropriate. Resonance contributing
Structures
fo. Explain why -ll is an outho -tura
drccton even though chlorine has a very High
Electronegativity
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The Laws of Thermodynamics, Entropy, and Gibbs Free Energy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=8N1BxHgsoOw;License: Standard YouTube License, CC-BY