02slidLarge value of face area Large value of face areaAhmadHashlamon
Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area
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This document discusses department numbers and chemical formulas. It lists several department numbers ranging from 1 to 5 with various quantities. It also lists a chemical formula of C8H12N2.
02slidLarge value of face area Large value of face areaAhmadHashlamon
Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area Large value of face area
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This document discusses department numbers and chemical formulas. It lists several department numbers ranging from 1 to 5 with various quantities. It also lists a chemical formula of C8H12N2.
This document discusses oxidation-reduction (redox) reactions and electrochemistry.
1. It explains how to identify redox reactions by checking if the oxidation number (O.N.) of any species changes in the reaction. An example reaction between permanganate and oxalic acid is given.
2. Balancing redox reactions is important, and the document outlines the step-by-step process for balancing both acidic and basic redox reactions.
3. Electrochemical cells are described as either galvanic cells that generate potential or electrolytic cells that consume potential. The standard hydrogen electrode is used as a reference electrode with a standard potential of 0 V.
1. The document discusses concepts related to errors, standard deviation, logarithms, and data handling in chemistry. It provides definitions, examples, and calculations for absolute error, relative error, relative accuracy, standard deviation, propagation of errors, and other related terms.
2. Standard deviation measures the spread or variation of data values from the mean. It is calculated using the differences between each value and the average. Propagation of errors examines how uncertainty increases during calculations as measurements are combined through addition, subtraction, multiplication and division.
3. The document provides step-by-step worked examples for calculating standard deviation, relative standard deviation, standard deviation of the mean, pooled standard deviation, and standard deviation of the difference between
This document discusses complexometric reactions and titrations. It defines complexes as compounds formed from the combination of metal ions and ligands. Ligands donate electron pairs to form coordination bonds with electron deficient metal ions. The stability of metal-ligand complexes depends on factors like the nature of the metal ion and ligand, ligand basicity, and size of the chelate ring formed. Example calculations are provided to determine metal ion concentrations in solutions containing ligands using known formation constants.
This document provides an overview and description of an Analytical Chemistry course. It discusses the course objectives, which include developing fundamental theoretical and practical skills in analytical chemistry. It also outlines the course contents, which cover topics like data handling, stoichiometric calculations, acid-base equilibria, and oxidation-reduction reactions. The document discusses the teaching approach, which involves lectures and discussions. It lists the primary and additional references for the course.
This document discusses concepts related to chemical equilibrium including:
- Activity and activity coefficients, which account for effects of ionic strength on concentrations.
- Properties of activity coefficients such as decreasing with increasing ionic strength.
- Calculation of ionic strength for solutions containing multiple electrolytes.
- Using the Debye-Hükel equation to calculate activity coefficients based on ionic strength and charge.
- Relationship between concentration and thermodynamic equilibrium constants, and how activity coefficients relate the two.
This document discusses stoichiometric calculations for volumetric analysis and titrations. It provides characteristics that reactions used for titrations should satisfy, such as having a known stoichiometry and being quantitative. It also discusses standard solutions, back titrations, and calculations using molarity and normality. Examples are provided for calculating unknown concentrations based on titration data and balanced chemical equations.
This document discusses luminescence spectroscopy, including fluorescence, phosphorescence, and chemiluminescence. It explains that these phenomena involve electronic excitation to an excited state. It describes the quantum numbers that define electron states, including the principal quantum number n, angular momentum l, spin s, and magnetic quantum number m. It also discusses multiplicities like singlet and triplet states. The document provides an example electronic configuration and illustrates energy level diagrams. It discusses factors that influence fluorescence, such as conjugation, rigidity, temperature, pH, and solvent. Finally, it briefly describes instruments used to measure luminescence like fluorometers and spectrofluorometers.
Gas chromatography (GC) is an analytical technique used to separate and analyze mixtures of volatile and semi-volatile compounds. It works by vaporizing the sample and carrying it through a column via an inert carrier gas where the components interact differently with the stationary phase based on their boiling points and polarity, becoming separated over time. The separated components then exit the column and enter a detector, such as a flame ionization detector or thermal conductivity detector, which provides a chromatogram to identify the different compounds.
These chapters discuss UV-visible spectrophotometry and its applications. They explain molecular orbital diagrams and how molecules absorb photons to transition to excited singlet states, labeled S1, S2, etc. depending on the energy level. Beer's law is also covered, noting accuracy decreases for absorbances above 2 due to less than 1% of light exiting the sample. A monochromator is illustrated to separate wavelengths of light.
High performance liquid chromatography (HPLC) is a widely used technique to separate mixtures of organic compounds. HPLC works by partitioning components of a mixture between a stationary phase made of small particles in a steel column and a mobile phase solvent. Pressure is required to force the mobile phase through the stationary phase due to the small particle size. HPLC provides enhanced separations in shorter time periods compared to traditional liquid chromatography. A variety of stationary and mobile phases can be used to optimize separations of different molecules.
chapter 26 (Introduction to Chromatographic Separations (Chapter 26).pptAhmadHashlamon
The document discusses the benefits of exercise for both physical and mental health. It notes that regular exercise can reduce the risk of diseases like heart disease and diabetes, and help manage conditions like depression and anxiety. The document recommends that adults get at least 150 minutes of moderate exercise or 75 minutes of vigorous exercise per week to experience these benefits.
This document provides instructions for creating a chart in Excel. It instructs the user to choose the chart wizard and then right click to add a trend line to the chart. It also mentions performing error analysis and regression analysis on the chart's data.
This document discusses oxidation-reduction (redox) reactions and electrochemistry.
1. It explains how to identify redox reactions by checking if the oxidation number (O.N.) of any species changes in the reaction. An example reaction between permanganate and oxalic acid is given.
2. Balancing redox reactions is important, and the document outlines the step-by-step process for balancing both acidic and basic redox reactions.
3. Electrochemical cells are described as either galvanic cells that generate potential or electrolytic cells that consume potential. The standard hydrogen electrode is used as a reference electrode with a standard potential of 0 V.
1. The document discusses concepts related to errors, standard deviation, logarithms, and data handling in chemistry. It provides definitions, examples, and calculations for absolute error, relative error, relative accuracy, standard deviation, propagation of errors, and other related terms.
2. Standard deviation measures the spread or variation of data values from the mean. It is calculated using the differences between each value and the average. Propagation of errors examines how uncertainty increases during calculations as measurements are combined through addition, subtraction, multiplication and division.
3. The document provides step-by-step worked examples for calculating standard deviation, relative standard deviation, standard deviation of the mean, pooled standard deviation, and standard deviation of the difference between
This document discusses complexometric reactions and titrations. It defines complexes as compounds formed from the combination of metal ions and ligands. Ligands donate electron pairs to form coordination bonds with electron deficient metal ions. The stability of metal-ligand complexes depends on factors like the nature of the metal ion and ligand, ligand basicity, and size of the chelate ring formed. Example calculations are provided to determine metal ion concentrations in solutions containing ligands using known formation constants.
This document provides an overview and description of an Analytical Chemistry course. It discusses the course objectives, which include developing fundamental theoretical and practical skills in analytical chemistry. It also outlines the course contents, which cover topics like data handling, stoichiometric calculations, acid-base equilibria, and oxidation-reduction reactions. The document discusses the teaching approach, which involves lectures and discussions. It lists the primary and additional references for the course.
This document discusses concepts related to chemical equilibrium including:
- Activity and activity coefficients, which account for effects of ionic strength on concentrations.
- Properties of activity coefficients such as decreasing with increasing ionic strength.
- Calculation of ionic strength for solutions containing multiple electrolytes.
- Using the Debye-Hükel equation to calculate activity coefficients based on ionic strength and charge.
- Relationship between concentration and thermodynamic equilibrium constants, and how activity coefficients relate the two.
This document discusses stoichiometric calculations for volumetric analysis and titrations. It provides characteristics that reactions used for titrations should satisfy, such as having a known stoichiometry and being quantitative. It also discusses standard solutions, back titrations, and calculations using molarity and normality. Examples are provided for calculating unknown concentrations based on titration data and balanced chemical equations.
This document discusses luminescence spectroscopy, including fluorescence, phosphorescence, and chemiluminescence. It explains that these phenomena involve electronic excitation to an excited state. It describes the quantum numbers that define electron states, including the principal quantum number n, angular momentum l, spin s, and magnetic quantum number m. It also discusses multiplicities like singlet and triplet states. The document provides an example electronic configuration and illustrates energy level diagrams. It discusses factors that influence fluorescence, such as conjugation, rigidity, temperature, pH, and solvent. Finally, it briefly describes instruments used to measure luminescence like fluorometers and spectrofluorometers.
Gas chromatography (GC) is an analytical technique used to separate and analyze mixtures of volatile and semi-volatile compounds. It works by vaporizing the sample and carrying it through a column via an inert carrier gas where the components interact differently with the stationary phase based on their boiling points and polarity, becoming separated over time. The separated components then exit the column and enter a detector, such as a flame ionization detector or thermal conductivity detector, which provides a chromatogram to identify the different compounds.
These chapters discuss UV-visible spectrophotometry and its applications. They explain molecular orbital diagrams and how molecules absorb photons to transition to excited singlet states, labeled S1, S2, etc. depending on the energy level. Beer's law is also covered, noting accuracy decreases for absorbances above 2 due to less than 1% of light exiting the sample. A monochromator is illustrated to separate wavelengths of light.
High performance liquid chromatography (HPLC) is a widely used technique to separate mixtures of organic compounds. HPLC works by partitioning components of a mixture between a stationary phase made of small particles in a steel column and a mobile phase solvent. Pressure is required to force the mobile phase through the stationary phase due to the small particle size. HPLC provides enhanced separations in shorter time periods compared to traditional liquid chromatography. A variety of stationary and mobile phases can be used to optimize separations of different molecules.
chapter 26 (Introduction to Chromatographic Separations (Chapter 26).pptAhmadHashlamon
The document discusses the benefits of exercise for both physical and mental health. It notes that regular exercise can reduce the risk of diseases like heart disease and diabetes, and help manage conditions like depression and anxiety. The document recommends that adults get at least 150 minutes of moderate exercise or 75 minutes of vigorous exercise per week to experience these benefits.
This document provides instructions for creating a chart in Excel. It instructs the user to choose the chart wizard and then right click to add a trend line to the chart. It also mentions performing error analysis and regression analysis on the chart's data.
This document announces the winners of the 2024 Youth Poster Contest organized by MATFORCE. It lists the grand prize and age category winners for grades K-6, 7-12, and individual age groups from 5 years old to 18 years old.
Heart Touching Romantic Love Shayari In English with ImagesShort Good Quotes
Explore our beautiful collection of Romantic Love Shayari in English to express your love. These heartfelt shayaris are perfect for sharing with your loved one. Get the best words to show your love and care.
This tutorial offers a step-by-step guide on how to effectively use Pinterest. It covers the basics such as account creation and navigation, as well as advanced techniques including creating eye-catching pins and optimizing your profile. The tutorial also explores collaboration and networking on the platform. With visual illustrations and clear instructions, this tutorial will equip you with the skills to navigate Pinterest confidently and achieve your goals.
Boudoir photography, a genre that captures intimate and sensual images of individuals, has experienced significant transformation over the years, particularly in New York City (NYC). Known for its diversity and vibrant arts scene, NYC has been a hub for the evolution of various art forms, including boudoir photography. This article delves into the historical background, cultural significance, technological advancements, and the contemporary landscape of boudoir photography in NYC.
Hadj Ounis's most notable work is his sculpture titled "Metamorphosis." This piece showcases Ounis's mastery of form and texture, as he seamlessly combines metal and wood to create a dynamic and visually striking composition. The juxtaposition of the two materials creates a sense of tension and harmony, inviting viewers to contemplate the relationship between nature and industry.
The cherry: beauty, softness, its heart-shaped plastic has inspired artists since Antiquity. Cherries and strawberries were considered the fruits of paradise and thus represented the souls of men.