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Timestamps:
0:00 Introduction
0:50 Reaction Enthalpy
5:19 Standard Enthalpy Reaction
6:23 ∆H:Phase Transformations
10:59 Ex 1
13:26 Std.H:Formation
15:28 Std.H Formation & Reaction
19:21 Thermochemical equation
20:38 Thermo-chemical:Ex
22:45 Hess's Law
24:41 Std.H Types
25:05 Combustion Enthalpy
26:34 Atomisation Enthalpy
28:15 Bond Enthalpy
29:15 Mean Bond Enthalpy
31:53 Lattice Enthalpy
33:19 Born Haber cycle
34.05Lattice H vs.H of formation
46:32 Dilution vs. Solution
47:52 Enthalpy of Solution
51:48 Enthalpy of Dilution
56:01 Spontaneity
58:00 Spontaneity:Deciding factor
1:01:48 Entropy
1:03:10 Quantify:Entropy
1:05:54 Rev/Irre:Entropy
1:07:41 Gibb's Energy
1:09:46 Thermodynamics:2nd Law
1:11:04 Thermodynamics:3rd law
The Hess' law states that the change of enthalpy in a chemical reaction (i.e. the heat of reaction at constant pressure) is independent of the pathway between the initial and final states. A Thermochemical Equation is a balanced stoichiometric chemical equation that includes the enthalpy change, ΔH. Bond enthalpy, also referred to as bond energy or bond dissociation energy, is the energy required to break a particular covalent bond in one mole of molecule in a gaseous state. A Born-Haber cycle applies Hess's law to calculate the lattice enthalpy by comparing the standard enthalpy change of formation of the ionic compound (from the elements) to the enthalpy required to make gaseous ions from the elements. In thermodynamics, the Gibbs free energy is a thermodynamic potential that can be used to calculate the maximum of reversible work that may be performed by a thermodynamic system at a constant temperature and pressure.In this video we will cover:-
1.What is Reaction Enthalpy?
2.Standard enthalpy of rections.
3.∆H during phase transformations.
4.A swimmer coming out from a pool is covered with a film of water weighing about 18g. How much heat must be
supplied to evaporate this water at 298 K ? Calculate the internal energy of vaporisation at 100 0C.
5.What is Standard enthalpy of formation?
6.Standard molar enthalpy of formation vs. Standard Reaction enthalpy.
7.What are thermochemical equations?
8.Example of thermochemical equation.
9.Hess's Law of constant heat summation.
10.Standard enthalpy types.
11.Standard enthalpy of combustion.
12.Standard enthalpy of atomisation.
13.What is bond enthalpy:Diatomic molecules?
14.What is bond enthalpy:Polyatomic molecules?
15.What is lattice enthalpy?
16.Explanation of Born-Haber cycle.
17.Lattice enthalpy vs.Enthalpy of formation
18. What is enthalpy of Dilution and enthalpy of Solution
19.What is enthalpy of solution?
20.What is enthalpy of dilution?
21.What are spontaneous process?
22.What decides spontaneity?
23.Explanation on Entropy.
24.How to quantify Entropy?
25.Entropy of Irreversible/Reversible process.
26.Gibb's energy & Spontaneity.
27.2nd Law of Thermodynamics
28.3rd Law of Thermodynamics.
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21 июл 2024
