People's Education Press High School Chemistry Compulsory Course I
Cantonese Education Edition Ninth Grade Chemistry Volume 1
Beijing Curriculum Reform Edition Ninth Grade Chemistry Volume 2
People's Education Press Ninth Grade Chemistry Volume 1
Beijing Curriculum Reform Edition Ninth Grade Chemistry Volume 1
Lu Ke Edition High School Chemistry Compulsory Course 1
Lu Jiao Edition Ninth Grade Chemistry Volume 1
Hunan Education Edition Ninth Grade Chemistry Volume 1
People's Education Press Ninth Grade Chemistry Volume 2
Cantonese Education Edition Ninth Grade Chemistry Volume 2
People's Education Press High School Chemistry Compulsory Course 2
Lu Ke Edition High School Chemistry Compulsory Course 2
Hunan Education Edition Ninth Grade Chemistry Volume 2
Lu Jiao Edition Ninth Grade Chemistry Volume 2
Category | Format | Size |
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People's Education Press High School Chemistry Compulsory Course I | pptx | 6 MB |
Description
"Classification and Transformation of Matter" PPT
Part One: Simple Classification and Its Application
1. The meaning of classification:
For work and life, reasonable classification of materials can provide convenience for work and life and achieve high efficiency.
For chemical research, rational classification of substances facilitates understanding of the commonalities of various substances and the nature of various reactions.
2. Simple classification method
(1) Cross classification method:
A method of classifying objects by applying several different criteria.
Advantages: Classifying substances from multiple perspectives reflects the various properties of substances and makes up for the shortcomings of a single classification method.
(2) Tree classification method
Tree classification is a multi-level classification method that reclassifies various types of things after classification.
The classification principle of tree classification: substance categories at the same level are generally independent of each other and have no overlap.
Advantages: It reflects the process of gradually deepening the understanding of things.
[Self-examination and mutual evaluation]
Please classify the following substances and fill in the corresponding positions in Figure 2-3 on P25 of the textbook:
Air, C, Cu, Ar, CaO, CO2, HCl, solution, H2SO4, NaOH, sediment, Ba(OH)2, Na2SO4, NaHCO3
【Expansion Migration】
Where can you place the substances NH3 and ethanol (C2H5OH) you have learned in Figure 2-3 on P25 of the textbook?
【Thinking and communication】
In what ways can you classify the following equations?
①2KClO3 ==== 2KCl + 3O2↑
②H2 + CuO === Cu + H2O
③Fe + H2SO4 = FeSO4 + H2↑
④2H2O2 ==== 2H2O + O2↑
⑤3CO+ Fe2O3 ===2Fe + 3CO2
⑥2Ca + O2 = 2CaO
⑦CaO + H2O = Ca(OH)2
⑧H2CO3 + Ca(OH)2 = CaCO3 + 2H2O
Classification and transformation of substances PPT, Part 2: Discussion and exploration-Classification of chemical reactions
①2KClO3 = 2KCl + 3O2↑
②H2 + CuO = Cu + H2O
③Fe + H2SO4 = FeSO4 + H2↑
④2H2O2 = 2H2O + O2↑
⑤3CO+ Fe2O3 = 2Fe + 3CO2
⑥2Ca + O2 = 2CaO
⑦CaO + H2O = Ca(OH)2
⑧H2CO3 + Ca(OH)2 = CaCO3 ↓ + 2H2O
Classification and transformation of substances PPT, Part 3: Classification of chemical reactions
Thinking Review: Four Basic Response Types:
Classification criteria: According to the categories of reactants and products and the number of substances before and after the reaction
Combination reaction A + B —— C
Decomposition reaction AB - A + B
Displacement reaction A+BC—— B+AC
Metathesis reaction AB + CD —— AD + CB
Expand and extend:
Chemical reactions: ionic reactions, nonionic reactions
Redox reactions
non-redox reaction
exothermic reaction, endothermic reaction
Keywords: PPT courseware for high school chemistry compulsory course 1 from the People's Education Press is available for free download, Classification and Transformation of Substances PPT download, .PPT format;
For more information about the "Classification and Transformation of Substances" PPT courseware, please click on the "Classification and Transformation of Substances" ppt tag.
"Classification and Transformation of Substances" Substances and their Changes PPT (Transformation of Substances in Lesson 2):
"Classification and Transformation of Substances" Substances and their Changes PPT (Transformation of Substances in Lesson 2) Part One Content: Learning Objectives Course Standards 1. Understand the properties of acids, bases, and salts. 2. Recognize that similar substances have similar properties and that various substances can transform into each other under certain conditions..
"Classification and Transformation of Substances" Substances and their Changes PPT (Classification of Substances in Lesson 1):
"Classification and Transformation of Substances" Substances and their Changes PPT (Classification of Substances in Lesson 1) Part One Content: Learning Objectives Course Standards 1. Understand that elements can form different types of substances, and substances can be classified according to their composition and properties. . 2. Understand the points...
"Transformation of Matter" Classification and Transformation of Matter PPT download:
"Transformation of Matter" Classification and Transformation of Matter PPT Download Part One Content: Literacy Objective 1. By reviewing the reactions between acids, bases, salts and different types of substances, summarize the main chemical properties and reaction types of acids, bases, and salts, and cultivate Changing concepts and evidential reasoning abilities..
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Update Time: 2024-11-06
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