The sign of ΔS sys expected for given vaporization process has to be predicted. Concept introduction: Entropy change: The sign of ΔS o for a reaction is determined by using the following rules: When a molecule is broken down and gives two or more smaller molecules. When the moles of gas is increases (by the breaking of molecules) Solid changes to liquid or gas state or liquid state changes to gas state. Entropy ( S ) : it is used to describe the disorder. It is the amount of arrangements possible in a system at a particular state. If the disorder increases in a system, then Δ S > 0 positive If the disorder decreases in a system, then Δ S < 0 negative If the disorder equal in a system, then Δ S = 0
The sign of ΔS sys expected for given vaporization process has to be predicted. Concept introduction: Entropy change: The sign of ΔS o for a reaction is determined by using the following rules: When a molecule is broken down and gives two or more smaller molecules. When the moles of gas is increases (by the breaking of molecules) Solid changes to liquid or gas state or liquid state changes to gas state. Entropy ( S ) : it is used to describe the disorder. It is the amount of arrangements possible in a system at a particular state. If the disorder increases in a system, then Δ S > 0 positive If the disorder decreases in a system, then Δ S < 0 negative If the disorder equal in a system, then Δ S = 0
Definition Definition Substance that constitutes everything in the universe. Matter consists of atoms, which are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction: solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chapter 20, Problem 20.14P
(a)
Interpretation Introduction
Interpretation:
The sign of ΔSsys expected for given vaporization process has to be predicted.
Concept introduction:
Entropy change:
The sign of ΔSo for a reaction is determined by using the following rules:
When a molecule is broken down and gives two or more smaller molecules.
When the moles of gas is increases (by the breaking of molecules)
Solid changes to liquid or gas state or liquid state changes to gas state.
Entropy(S): it is used to describe the disorder. It is the amount of arrangements possible in a system at a particular state.
If the disorder increases in a system, then ΔS>0 positive
If the disorder decreases in a system, then ΔS<0 negative
If the disorder equal in a system, then ΔS=0
(b)
Interpretation Introduction
Interpretation:
The sign of ΔSsys expected for solid explosive converts to gas process has to be predicted.
Concept introduction:
Entropy change:
The sign of ΔSo for a reaction is determined by using the following rules:
When a molecule is broken down and gives two or more smaller molecules.
When the moles of gas is increases (by the breaking of molecules)
Solid changes to liquid or gas state or liquid state changes to gas state.
Entropy(S): it is used to describe the disorder. It is the amount of arrangements possible in a system at a particular state.
If the disorder increases in a system, then ΔS>0 positive
If the disorder decreases in a system, then ΔS<0 negative
If the disorder equal in a system, then ΔS=0
(c)
Interpretation Introduction
Interpretation:
The sign of ΔSsys expected for Diffusion of perfume vapors in room has to be predicted.
Concept introduction:
Entropy change:
The sign of ΔSo for a reaction is determined by using the following rules:
When a molecule is broken down and gives two or more smaller molecules.
When the moles of gas is increases (by the breaking of molecules)
Solid changes to liquid or gas state or liquid state changes to gas state.
Entropy(S): it is used to describe the disorder. It is the amount of arrangements possible in a system at a particular state.
If the disorder increases in a system, then ΔS>0 positive
If the disorder decreases in a system, then ΔS<0 negative
A mixture of 0.568 M H₂O, 0.438 M Cl₂O, and 0.710 M HClO are enclosed in a vessel at 25 °C.
H₂O(g) + C₁₂O(g) = 2 HOCl(g)
K = 0.0900 at 25°C
с
Calculate the equilibrium concentrations of each gas at 25 °C.
[H₂O]=
[C₁₂O]=
[HOCI]=
M
Σ
M
What units (if any) does the response factor (K) have? Does the response factor (K) depend upon how the concentration is expressed (e.g. molarity, ppm, ppb, etc.)?
Provide the structure, circle or draw, of the monomeric unit found in the biological polymeric
materials given below.
HO
OH
amylose
OH
OH
행
3
HO
cellulose
OH
OH
OH
Ho
HO
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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