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ELECTROCHEMISTRY AS

ELECTROCHEMISTRY AS

ELECTROCHEMISTRY AS. Redox reactions Oxidation : loses electrons/oxidation number increases /loses hydrogen/accepts oxygen Reduction : accepts electrons/oxidation number decreases /accepts hydrogen/loses oxygen Calculation of oxidation numbers. APPLICATIONS OF ELECTROLYSIS

By Patman
(502 views)

氧化态稳定性

氧化态稳定性

元素. 价电子 构型. 氧化态. B Al Ga In Tl. ns 2 np 1 ( n = 2-6). +3 +1, +3 +1, +3 +1, +3 +1, +3. +1 +3 稳 稳 定 定 性 性 增 减 大 小. 第 15 章 硼族元素 Group IIIA: B Al Ga In Ta 硼 铝 镓 铟 铊. 硼族元素的价电子构型与氧化态稳定性变化. 氧化态稳定性. §15-1 硼. 一、硼 成键特征 : 1. B 主要以 共价键 成键:

By crete
(422 views)

HCM INTERNATIONAL UNIVERSITY SCHOOL OF BIOTECHNOLOGY

HCM INTERNATIONAL UNIVERSITY SCHOOL OF BIOTECHNOLOGY

HCM INTERNATIONAL UNIVERSITY SCHOOL OF BIOTECHNOLOGY. APPLICATIONS OF ELECTROCHEMISTRY. Course: ANALYTICAL CHEMISTRY Lecturer: Dr. NGUYEN TUAN KHOI. MEMBERS OF GROUP. Ph ạm Nguyễn Huệ Nh ân Thái V ă n Ch í Nguyễn Th ị Ph ươ ng Thùy Trần Đỗ Ngọc Oanh V õ Hoàng Lâm

By ayala
(154 views)

Do Now!

Do Now!

Do Now!. Balance this reaction: ______ HCl + ______ Cr  ______ CrCl 2 + ______ H 2. White Boards. You will need 1 white board. You need to LISTEN to directions. Keep track of your score- it’s your participation grade for the day. More Examples: Balance Chemical Equations- 2 min.

By yank
(143 views)

Chapter 7 Chemical Reactions

Chapter 7 Chemical Reactions

Chapter 7 Chemical Reactions. Which of the following is evidence that a chemical reaction has occurred?. 7.1. Formation of a precipitate Color change Emission of light Evolution of gas All of the above.

By taline
(121 views)

Introduction to Chemical equations

Introduction to Chemical equations

Introduction to Chemical equations. Unit 5. Chemical Reactions. A chemical reaction is a change in which one or more substances are converted into new substances Review: a substance is an element or a compound. The reactants are the substances that exist before the reaction.

By gwyn
(84 views)

Chapter 21- Main Group of Elements:

Chapter 21- Main Group of Elements:

Chapter 21- Main Group of Elements:. H Li B C N O F Na Mg Al Si P S Cl K Ca Br. Element Abundances. Note low abundance of Li, Be, and B See also alternation of abundance with atomic number. Even atomic number = more abundant. Ionic Compounds.

By dick
(191 views)

The following problems refer to FeSO 4 . Is the compound ionic or molecular? How do you know?

The following problems refer to FeSO 4 . Is the compound ionic or molecular? How do you know?

The following problems refer to FeSO 4 . Is the compound ionic or molecular? How do you know? Calculate the oxidation state of the iron. Write the proper name of the compound. Calculate the oxidation state of the sulfur in the SO 4 2- ion.

By idalia
(153 views)

Chapter 11 Matter and Change 11.1 Describing Chemical Reactions 11.2 Types of Chemical Reactions

Chapter 11 Matter and Change 11.1 Describing Chemical Reactions 11.2 Types of Chemical Reactions

Chapter 11 Matter and Change 11.1 Describing Chemical Reactions 11.2 Types of Chemical Reactions 11.3 Reactions in Aqueous Solution. Introduction to Chemical Equations. Parts of a Chemical Formula: 2 Al 2 ( SO 4 ) 3. Introduction to Chemical Equations. Element Symbols. Subscripts.

By pepper
(501 views)

第 21 章 p 区重要金属

第 21 章 p 区重要金属

第 21 章 p 区重要金属. 本书下册 P668. p 区金属概论.

By idania
(264 views)

Tuesday January 29, 2013

Tuesday January 29, 2013

Tuesday January 29, 2013. ( Mole to Mole Stoichiometry ). Bell Ringer Tuesday, 1-29-13. In the following reaction, 5 moles of hydrogen gas will produce how many moles of water? H 2 + O 2 æ H 2 O. 2. 2. 5 moles. ? moles.

By lesa
(87 views)

Chemical Equations

Chemical Equations

Chemical Equations. The 5 main types. Quick Review. Balance the following reaction: (Remember you need the same number on both sides of the equation) __ Al 2 S 3 + __ HCl  __ AlCl 3 + __ H 2 S. 1. 6. 3. 2. The 5 main types. Look at your rainbow balancing ladder, the green sheet…

By fausta
(124 views)

Balancing Chemical Reactions

Balancing Chemical Reactions

Balancing Chemical Reactions. Balancing Chemical Reactions. Balancing Chemical Reactions Sodium metal plus water Na (s) + H 2 O (l) → NaOH + H 2 (g) Burning Magnesium metal in air Mg (s) + O 2 (g) → MgO (s) & – Al + O 2 → Al 2 O 3 Burning Candle wax

By hazina
(126 views)

Reactions of Metals

Reactions of Metals

Reactions of Metals. Metal Reactions. Metal + oxygen. Metal + water. Metal + acid. Metal + acid. When a metal reacts with acid, the following reaction takes place: metal + acid  metal salt + hydrogen gas A metal salt and hydrogen gas are always produced For example:

By jabari
(502 views)

Unit 2 : Elements and Compounds : Atoms, Molecules & Ions

Unit 2 : Elements and Compounds : Atoms, Molecules & Ions

CHM 1045 : General Chemistry and Qualitative Analysis. Unit 2 : Elements and Compounds : Atoms, Molecules & Ions. Dr. Jorge L. Alonso Miami-Dade College – Kendall Campus Miami, FL. Textbook References : Modules #2 & 5. The Early Development of the Atomic Theory. Ancient Atomic Theory.

By micah
(185 views)

UNIT 4: CHEMICAL REACTIONS By Adam Yu and Charmaine Lai

UNIT 4: CHEMICAL REACTIONS By Adam Yu and Charmaine Lai

UNIT 4: CHEMICAL REACTIONS By Adam Yu and Charmaine Lai. Some Observations that accompany a chemical reaction are: temperature change change in colour new phases may be formed. A chemical reaction can be described by a word equation or a formula equation.

By ulla
(99 views)

Dr. C. Yau Fall 2013

Dr. C. Yau Fall 2013

Redox Rxns: Part II: Common Redox Rxns Chapter 6 Sec 3, 4 & 5 of Jespersen 6 TH ed) Note: We skip Sec 6.2 this semester. It is covered in Gen Chem II. Dr. C. Yau Fall 2013. Redox Rxns. Review: Redox Rxns involve a transfer of electrons. Oxidation is INCREASE in oxidation number.

By bayard
(145 views)

Dr. C. Yau Spring 2014

Dr. C. Yau Spring 2014

Redox Rxns: Part II: Common Redox Rxns Chapter 6 Sec 3, 4 & 5 of Jespersen 6 TH ed) Note: We skip Sec 6.2 this semester. It is covered in Gen Chem II. Dr. C. Yau Spring 2014. Redox Rxns. Review: Redox Rxns involve a transfer of electrons. Oxidation is INCREASE in oxidation number.

By ansel
(191 views)

Look over objectives and try those types of problems on past worksheets and quizzes,

Look over objectives and try those types of problems on past worksheets and quizzes,

Look over objectives and try those types of problems on past worksheets and quizzes, especially if you know you are weak on it Come in for help before the test for extra help or to retake quizzes! These are the “clicker” questions from this unit

By denton
(156 views)

IONIC BONDING

IONIC BONDING

IONIC BONDING. Ms. Timmerman Belton High School. Chemical Bond. Definition – a mutual electrical attraction between the nuclei and valence electrons of different atoms Valence electrons are electrons available to form a chemical bond. These electrons are in the outermost s and p orbital

By dobry
(224 views)

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