The document provides information on writing chemical equations, including:
- Types of chemical equations like molecular, ionic, and net ionic equations.
- Common types of chemical reactions like combustion, synthesis, decomposition, single replacement, double replacement, and acid-base reactions.
- Key aspects of oxidation-reduction reactions involving electron transfer between reactants.
this presentation includes all the important oxidation and reduction definitions. all oxidizing and reducing agents. oxidation reactions of organic chemistry. reactions involving hydrogen from substrates. oxidation of alcohols, swern oxidation. reactions involving addition of oxygen to the substrates; oxidation of aldehydes and ketones, baeyer villiger reaction, oxidation of alkenes with peroxyacids, hydroxylation of alkenes, oxidative cleavage of diols, ozonolysis, etard reaction, sharpless epoxidation.
Oxidation reactions in chemical engineering. Oxidation state. Oxidation state changes. Identify the element oxidized . Oxidation and reduction half-reactions.
Iron with hydrochloric acid . Zinc and copper. Aluminum and manganate. Cyanide and manganate. Production of ammonia from nitrite.
Balancing Oxidation Reduction Equations. The sulfite ion concentration present in wastewater from a papermaking plant.
Oxidizing and reducing agents
I hope You all like it. I hope It is very beneficial for you all. I really thought that you all get enough knowledge from this presentation. This presentation is about materials and their classifications. After you read this presentation you knowledge is not as before.
this presentation includes all the important oxidation and reduction definitions. all oxidizing and reducing agents. oxidation reactions of organic chemistry. reactions involving hydrogen from substrates. oxidation of alcohols, swern oxidation. reactions involving addition of oxygen to the substrates; oxidation of aldehydes and ketones, baeyer villiger reaction, oxidation of alkenes with peroxyacids, hydroxylation of alkenes, oxidative cleavage of diols, ozonolysis, etard reaction, sharpless epoxidation.
Oxidation reactions in chemical engineering. Oxidation state. Oxidation state changes. Identify the element oxidized . Oxidation and reduction half-reactions.
Iron with hydrochloric acid . Zinc and copper. Aluminum and manganate. Cyanide and manganate. Production of ammonia from nitrite.
Balancing Oxidation Reduction Equations. The sulfite ion concentration present in wastewater from a papermaking plant.
Oxidizing and reducing agents
I hope You all like it. I hope It is very beneficial for you all. I really thought that you all get enough knowledge from this presentation. This presentation is about materials and their classifications. After you read this presentation you knowledge is not as before.
An introductory presentation on corrosion and its prevention. Importance of corrosion, cost of corrosion, various forms of corrosion, and preventive methods are given.
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H2S is a common pollutant in gas and air. This presentation is a review of different techniques to remove H2S ,and possible ways of valorization to sulfuric acid via SO2.
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There are sample in each of the type of reaction that can help the learners understand more about each type.
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This is a basic concept because there is a pattern to be followed in each type of reaction.
More types of chemical reactions will be given on my next set of presentation entitled, "Everything You Want to Know About Chemical Reactions."
LF Energy Webinar: Electrical Grid Modelling and Simulation Through PowSyBl -...DanBrown980551
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PowSyBl is an open source project hosted by LF Energy, which offers a comprehensive set of features for electrical grid modelling and simulation. Among other advanced features, PowSyBl provides:
- A fully editable and extendable library for grid component modelling;
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The framework is mostly written in Java, with a Python binding so that Python developers can access PowSyBl functionalities as well.
What you will learn during the webinar:
- For beginners: discover PowSyBl's functionalities through a quick general presentation and the notebook, without needing any expert coding skills;
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State of global ICS asset and network exposure
Sectoral targets and attacks as well as the cost of ransom
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Rise in volumes of AI-powered cyberattacks
Major cyber events in 2024
Malware and malicious payload trends
Cyberattack types and targets
Vulnerability exploit attempts on CVEs
Attacks on counties – USA
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In-depth analysis of the cyber threat landscape across North America, South America, Europe, APAC, and the Middle East
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Cyber risk predictions
Axis of attacks – Europe
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https://sectrio.com/resources/ot-threat-landscape-reports/sectrio-releases-ot-ics-and-iot-security-threat-landscape-report-2024/
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Topics covered:
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UI automation Sample
Desktop automation flow
Pradeep Chinnala, Senior Consultant Automation Developer @WonderBotz and UiPath MVP
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
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Welcome to UiPath Test Automation using UiPath Test Suite series part 4. In this session, we will cover Test Manager overview along with SAP heatmap.
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1. Insights into SAP testing best practices
2. Heatmap utilization for testing
3. Optimization of testing processes
4. Demo
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Execution from the test manager
Orchestrator execution result
Defect reporting
SAP heatmap example with demo
Speaker:
Deepak Rai, Automation Practice Lead, Boundaryless Group and UiPath MVP
4. COMBUSTION A reaction which generally involves the presence of oxygen and releases energy (exothermic). Hydrocarbons and other organic compounds combine with excess oxygen to form carbon dioxide and water. Propanol (CH 3 CH 2 CH 2 OH) is burned completely in air. Metals combine with oxygen to form metallic oxides. Calcium metal is heated strongly in the presence of oxygen.
5. COMBUSTION Nonmetallic hydrides combine with oxygen to form water and nonmetal oxides . Gaseous diborane, B 2 H 6 , is burned in excess oxygen. Nonmetallic sulfides combine with oxygen to form sulfur dioxide and nonmetal oxides. Carbon disulfide vapor is burned in excess oxygen . If sulfur is present, SO 2 is formed; if nitrogen is present, NO 2 is formed. Excess oxygen is mixed with ammonia(NH 3 ) in the presence of platinum .
6. Workshop on Combustion Reactions : Write the formulas to show the reactants and products for the following laboratory situations described below. Assume that solutions are aqueous unless otherwise indicated. 1. A piece of solid bismuth is heated strongly in oxygen. 2. Butanol (CH 3 CH 2 CH 2 CH 2 OH) is burned in air. 3. Solid copper(II) sulfide is heated strongly in oxygen gas. 4. Hexane is burned in excess oxygen. 5. Sodium metal is burned in excess oxygen gas. 6. Gaseous silane, SiH 4 , is burned in oxygen. 7. Solid zinc sulfide is heated in an excess of oxygen.
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8. DECOMPOSITION REACTIONS Metallic carbonates decompose into metallic oxides and carbon dioxide. A sample of magnesium carbonate is heated. Metallic chlorates decompose into metallic chlorides and oxygen. A sample of magnesium chlorate is heated . Ammonium carbonate decomposes into ammonia, water, and carbon dioxide.
9. DECOMPOSITION Some common reactions should be memorized. Sulfurous acid (H 2 SO 3 ) decomposes into sulfur dioxide and water. Carbonic acid (H 2 CO 3 ) decomposes into carbon dioxide and water. Hydrogen peroxide decomposes into water and oxygen. Ammonium hydroxide decomposes into ammonia and water.
10. Workshop on Synthesis and Decomposition Reactions: Write the formulas to show the reactants and products for the following laboratory situations described below. Assume that solutions are aqueous unless otherwise indicated. 1. A sample of calcium carbonate is heated. 2. Sulfur dioxide gas is bubbled through water. 3. Solid potassium oxide is added to a container of carbon dioxide gas. 4. Liquid hydrogen peroxide is warmed. 5. A pea-sized piece of sodium is added to a container of iodine vapor. 6. A sample of carbonic acid is heated. 7. A sample of potassium chlorate is heated. 8. Solid magnesium oxide is added to sulfur trioxide gas.
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12. Net Ionic equations include only those solution components directly involved in the reaction. Chemists usually write the net ionic equation for a reaction in solution because it gives the actual forms of the reactants and products and only includes the species that undergo a change. Write the following as net ionic equations. Active metals replace less active metals from their compounds in aqueous solution. Magnesium turnings are added to a solution of iron(III) chloride. Active metals replace hydrogen in water. Sodium is added to water. Active metals replace hydrogen in acids. Lithium is added to hydrochloric acid (HCl). Active nonmetals replace less active nonmetals from their compounds in aqueous solution. Chlorine gas is bubbled into a solution of potassium iodide.
13. ACTIVITY SERIES OF SOME SELECTED METALS A brief activity series of selected metals, hydrogen and halogens are shown below. The series are listed in descending order of chemical reactivity, with the most active metals and halogens at the top (the elements most likely to undergo oxidation). Any metal on the list will replace the ions of those metals (to undergo reduction) that appear anywhere underneath it on the list. METALS HALOGENS K (most oxidized F 2 Ca Cl 2 Na Br 2 Mg l 2 Al Zn Fe Ni Sn Pb H Cu Ag Hg Au(least oxidized) Oxidation refers to the loss of electrons and reduction refers to the gain of electrons
14. Workshop on Single Replacement/Displacement Reactions : Write the formulas to show the reactants and products for the following laboratory situations described below. Assume that solutions are aqueous unless otherwise indicated. Write NR if no reaction occurs. 1. Liquid bromine is added to sodium iodide crystals. 2. An aluminum strip is immersed in a solution of silver nitrate. 3. Zinc pellets are added to sulfuric acid (H 2 SO 4 ). 4. Fluorine gas is bubbled into a solution of aluminum chloride. 5. Calcium metal is added to nitrous acid (HNO 2 ). 6. A pea-sized piece of lithium is added to water. 7. Magnesium turnings are added to a solution of lead(II) acetate. 8. Liquid bromine is reacted with a solution of calcium chloride.
15. DOUBLE REPLACEMENT (or metathesis) All double replacement reactions must have a driving force to allow for it to go to completion. This driving force is the removal of at least one pair of ions from solution, which can occur in one of two ways: 1. formation of a precipitate* 2. formation of a gas * formation of a precipitate – apply the solubility rules Solubility Rules : Please note that “soluble” refers to the ability to dissolve in a solvent, while “insoluble” refers to a solid or precipitate. The Solubility Rules are summarized on the next slide.
16. NEGATIVE ION POSITIVE ION SOLUBILITY Chloride (Cl - ), Bromide (Br - ), Ag + , Pb 2+ , Hg 2 2+ , Cu + Insoluble Iodide (I - ) Phosphate (PO 4 3- ) Carbonate All positive ions EXCEPT Insoluble (CO 3 2- ), Sulfite (SO 3 2- ), alkali ions and NH 4 + Hydroxide (OH - ), Sulfate (SO 4 2- ) Ca 2+ , Sr 2+ , Ba 2+ , Ra 2+ , Ag + , Pb 2+ Insoluble Sulfide (S 2- ) All positive ions EXCEPT alkali Insoluble ions, alkaline earth ions, NH 4 + *** All nitrates, perchlorates, and acetates are soluble.*** Example : A solution of potassium chloride is mixed with a solution of silver nitrate.
17. Workshop on Double Displacement Reactions : Write the formulas to show the reactants and products for the following laboratory situations described below. Assume that solutions are aqueous unless otherwise indicated. Write NR if no reaction occurs. 1. Silver nitrate combines with potassium chromate. 2. Ammonium chloride combines with cobalt(II) sulfate. 3. Lithium hydroxide reacts with sodium chromate. 4. Zinc acetate is mixed with cesium hydroxide. 5. Ammonium sulfide reacts with lead(II) nitrate. 6. Iron(III) sulfate combines with barium iodide. 7. Chromium(III) bromide reacts with sodium nitrate. 8. Rubidium phosphate mixes with titanium(IV) nitrate. 9. Ammonium carbonate combines with nickel(II) chloride. 10. Tin(IV) nitrate reacts with potassium sulfite.
18. Formation of a Gas Common gases formed in metathesis reaction are listed below: H 2 S Any sulfide (salt of S 2- ) plus any acid form H 2 S(g) and a salt. Solid iron(II) sulfide is mixed with hydrochloric acid. CO 2 Any carbonate (salt of CO 3 2- ) plus any acid form CO 2 (g), H 2 O, and a salt. Potassium carbonate is reacted with nitric acid. SO 2 Any sulfite (salt of SO 3 2- ) plus any acid form SO 2 (g), H 2 O, and a salt. Sodium sulfite is combined with hydrochloric acid. NH 3 Any ammonium salt (salt of NH 4 + ) plus any soluble strong hydroxide react upon heating to form NH 3 (g), H 2 O, and a salt. Ammonium chloride is mixed with sodium hydroxide.
19. Workshop on Gas Formation Reactions : Write the formulas to show the reactants and products for the following laboratory situations described below. Assume that solutions are aqueous unless otherwise indicated. Write NR if no reaction occurs. 1. Ammonium sulfate & potassium hydroxide are mixed. 2. Ammonium sulfide reacts with hydrochloric acid. 3. Cobalt(II) chloride combines with silver nitrate. 4. Solid calcium carbonate reacts with sulfuric acid. 5. Potassium sulfite reacts with hydrobromic acid. 6. Potassium sulfide reacts with nitric acid. 7. Ammonium iodide mixes with magnesium sulfate. 8. Solid titanium(IV) carbonate reacts with hydrochloric acid. 9. Solid calcium sulfite is mixed with acetic acid. 10. Strontium hydroxide combines with ammonium sulfide.
20. ACID/BASE REACTIONS : Acid + Base Salt + Water One mole of hydrogen ions will react with one mole of hydroxide ions to produce one mole of water. Diprotic (acids with two ionizable hydrogens) and triprotic (acids with three ionizable hydrogens) acids will only be encountered selectively in this course! A. Arrhenius Acid – a compound that releases H + (protons)/ H 3 O + (hydronium ions) in water. An aqueous nitric acid solution. B. Arrhenius Base – a compound that produces OH - in water. Potassium hydroxide pellets are dissolved in water. C. Brønsted-Lowry Acid – proton donor. Nitric acid reacts with potassium hydroxide.
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23. Workshop on Acid-Base Reactions : Predict and balance each of the acid/base reactions given below: 1. Hydrogen sulfide gas is bubbled through excess potassium hydroxide solution. 2. Aqueous barium hydroxide is reacted with excess hydrochloric acid. 3. Dilute sulfuric acid is reacted with excess sodium hydroxide. 4. Solid silver hydroxide is reacted with hydrobromic acid. 5. Perchloric acid (HClO 4 ) is reacted with solid iron(III) hydroxide. 6. Aqueous sulfuric acid is reacted with solid lithium oxide.
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26. Rules for Balancing Oxidation/Reduction Reactions Half Reaction Method 1. Write the corresponding half reactions. 2. Balance all atoms except O and H. 3. Balance O; add H 2 O as needed. 4. Balance H as acidic (H + ). 5. Add electrons to both half reactions and balance. 6. Add the half reactions; cross out “like” terms. 7. If basic or alkaline, add the equivalent number of hydroxides (OH - ) to counterbalance the H + (remember to add to both sides of the equation). Recall that H + + OH - H 2 O.
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30. Additional Practice Problems Predict and balance (include net ionic if applicable) the following reactions, making sure to include the phases of all reactants and products where possible. Write NR if No Reaction occurs. 1. Sodium metal is added to a container of iodine vapor. 2. Aluminum wire is immersed in aqueous silver nitrate. 3. Cobalt(II) chloride is combined with silver nitrate. 4. Potassium sulfide is reacted with nitric acid (HNO 3 ). 5. Iodine crystals are added to a solution of sodium chloride. 6. Zinc acetate and cesium hydroxide are mixed.