What does dust explosion mean? What is vtv2 trực tiếp bóng đá hôm nay first academic topic of vtv2 trực tiếp bóng đá hôm nay 10th-grade Chemistry curriculum in Vietnam?
What doesdust explosion mean?
"dust explosion" refers toa hazardous phenomenon that occurs when fine, combustible dust particles are dispersed in vtv2 trực tiếp bóng đá hôm nay air and come into contact with a significant heat source. At that point, vtv2 trực tiếp bóng đá hôm nay mixture of dust and air will ignite rapidly, creating a powerful explosion. vtv2 trực tiếp bóng đá hôm nay shock wave from vtv2 trực tiếp bóng đá hôm nay explosion can cause severe damage to people and properties, destroying structures, and equipment, and causing environmental pollution.
10th-grade students shall learn dust explosion inthe Chemistry curriculum.
Students and teachers may refer tothe following information about vtv2 trực tiếp bóng đá hôm nay definition of dust explosion.
|
What does dust explosion mean?
|
**Note: information about vtv2 trực tiếp bóng đá hôm nay definition ofdust explosion isfor reference only.
What does dust explosion mean? What is vtv2 trực tiếp bóng đá hôm nay first academic topic of vtv2 trực tiếp bóng đá hôm nay 10th-grade Chemistry curriculum in Vietnam? (Image from vtv2 trực tiếp bóng đá hôm nay Internet)
What is vtv2 trực tiếp bóng đá hôm nay first academic topic ofthe 10th-grade Chemistry curriculum in Vietnam?
According to Section 5 of vtv2 trực tiếp bóng đá hôm nay Annex of vtv2 trực tiếp bóng đá hôm nay General Education Program for Chemistry, issued withCircular 32/2018/TT-BGDDT, vtv2 trực tiếp bóng đá hôm nay academic topics of vtv2 trực tiếp bóng đá hôm nay 10th-grade Chemistry curriculum are prescribed as follows:
Academic topic
Content
Requirements
Topic 10.1: FUNDAMENTALS OF CHEMISTRY
Chemical Bonds
- Write Lewis formulas, use vtv2 trực tiếp bóng đá hôm nay VSEPR model to predict geometry for some simple molecules.
- Explain vtv2 trực tiếp bóng đá hôm nay concept of AO hybridization (sp, sp2, sp3), apply to explain bonding in some molecules (CO2; BF3; CH4;...).
Nuclear Reactions
- Provide an overview of natural radioactivity; Give examples of natural radioactivity.
- Apply vtv2 trực tiếp bóng đá hôm nay laws of conservation of mass number and charge to nuclear reactions.
- Provide an overview of artificial radioactivity, nuclear reactions.
- Discuss vtv2 trực tiếp bóng đá hôm nay applications of nuclear reactions for research, life, and production.
- List typical applications of nuclear reactions: dating artifacts, applications in healthcare, energy, etc.
Activation Energy of Chemical Reactions
- Present vtv2 trực tiếp bóng đá hôm nay concept of activation energy (in terms of its effect on reaction rate).
- Discuss vtv2 trực tiếp bóng đá hôm nay effect of activation energy and temperature on reaction rate using vtv2 trực tiếp bóng đá hôm nay Arrhenius equation k = A. .
- Explain vtv2 trực tiếp bóng đá hôm nay role of catalysts.
Entropy and Gibbs Free Energy Change
- Define Entropy S (a quantity characterizing vtv2 trực tiếp bóng đá hôm nay disorder of a system).
- Explain vtv2 trực tiếp bóng đá hôm nay significance of vtv2 trực tiếp bóng đá hôm nay sign and value of vtv2 trực tiếp bóng đá hôm nay Gibbs Free Energy Change (without explaining ΔrG, just state: To determine vtv2 trực tiếp bóng đá hôm nay direction of a reaction, one refers to vtv2 trực tiếp bóng đá hôm nay Gibbs Free Energy Change ΔrG) for reaction (ΔG) to predict or explain vtv2 trực tiếp bóng đá hôm nay direction of a chemical reaction.
- Calculate ΔrGo using vtv2 trực tiếp bóng đá hôm nay formula ΔrGo = ΔrHo - T.ΔrSo from a table of standard values of ΔfHo and So of substances.
Topic 10.2: CHEMISTRY IN FIRE AND EXPLOSION PREVENTION
.....
Thus, according to vtv2 trực tiếp bóng đá hôm nay above regulations, vtv2 trực tiếp bóng đá hôm nay first academictopic ofthe 10th-grade Chemistry curriculum in Vietnam isthe fundamentals of chemistry.
What does vtv2 trực tiếp bóng đá hôm nay 10th-grade Chemistry teaching equipment in Vietnam include?
Under Section 8 of vtv2 trực tiếp bóng đá hôm nay Annex of vtv2 trực tiếp bóng đá hôm nay General Education Program for Chemistry, issued withCircular 32/2018/TT-BGDDT, vtv2 trực tiếp bóng đá hôm nay regulations on 10th-grade Chemistry teaching equipment are as follows:
- Equipment for demonstration and illustration
+ Periodic table of elements; solubility table of salts and hydroxides; electron configuration chart for metals/ transition metal ions of vtv2 trực tiếp bóng đá hôm nay first series; color chart of some compounds of transition metals.
+ Pictures illustrating vtv2 trực tiếp bóng đá hôm nay geometry of some complexes, Cu2+ salts in aqueous solvent; structures of some biological complexes such as heme B, chlorophyll, vitamin B12, and those used in medicine like cisplatin, carboplatin,...; 3R symbols; aluminum recycling; silicate industry; production of cement, industrial, and craft ceramics. Diagram of distillation, refining, and applications of crude oil. Pictures of applications of alkanes, alkenes, alkadienes, arenes in practice; applications of halogen derivatives; alcohol and phenol in practice; roles of amino acids, glucose, and starch in life.
+ Models/ assembly kits for open structure and dense structure of some alkanes; benzene, halogen derivatives, ethylic alcohol (ethanol) and phenol; amines, amino acids, peptides, and proteins.
- Electronic learning materials:
+ Software: calculation software; virtual experiment software.
+ Videos of some hazardous, explosive, or complex experiments,... such as experiments with chlorine, bromine,... alkali metals, alkaline earth metals interacting with water,...
- Equipment for practical work
+ Analysis and measurement tools: set for electrolysis of copper (II) sulfate solution and sodium chloride solution; tools for conductivity tests; handheld pH meters;...
+ Sufficient equipment, tools, and chemicals according to vtv2 trực tiếp bóng đá hôm nay minimum teaching equipment list stipulated by vtv2 trực tiếp bóng đá hôm nay Ministry of Education and Training.
