"Properties of Oxygen" Mystery of Air PPT Courseware 2 Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
文件名 如何下载使用 | 下载次数 | Download Points | 下载地址 |
---|---|---|---|
"Properties of Oxygen" M... | 9200次 | 0.00 | Free Download |
Tips: If you open the template and feel that it is not suitable for all your needs, you can search for related content "Properties of Oxygen" Mystery of Air PPT Courseware 2 is enough.
How to use the Windows system template
Directly decompress the file and use it with office or wps
How to use the Mac system template
Directly decompress the file and use it Office or wps can be used
Related reading
For more detailed PPT-related tutorials and font tutorials, you can view: Click to see
How to create a high-quality technological sense PPT? 4 ways to share the bottom of the box
Notice
Do not download in WeChat, Zhihu, QQ, built-in browsers, please use mobile browsers to download! If you are a mobile phone user, please download it on your computer!
1. The manuscript PPT is only for study and reference, please delete it 24 hours after downloading.
2. If the resource involves your legitimate rights and interests, delete it immediately.
3. Contact information: service@daogebangong.com
"Properties of Oxygen" Mystery of Air PPT Courseware 2, due to usage restrictions, it is only for personal study and reference use. For commercial use, please go to the relevant official website for authorization.
(Personal non-commercial use refers to the use of this font to complete the display of personal works, including but not limited to the design of personal papers, resumes, etc.)
Related reading
For more detailed PPT-related tutorials and font tutorials, you can view:Please click to see
Authoritative PPT Summary
"Properties of Oxygen" Mystery of Air PPT Courseware 2
1. Physical properties
1. Color, taste and state:
A gas that is usually colorless and odorless
2. Density: slightly denser than air
3. Solubility: Not easily soluble in water
4. Three-state transformation: under 101kPa
2. Chemical properties
Refers to the properties manifested during chemical changes.
2. Chemical properties of oxygen
(1) Reaction of sulfur and oxygen (Experiment 2-3)
Procedure for observing sulfur combustion:
The color, state, and taste of the reaction substances, reaction conditions and operations, the color, state, taste, and accompanying phenomena of the substances produced by the reaction, and the inspection of special generated substances.
Sulfur burns in the air
【Phenomenon】
1. Produce a weak light blue flame
2. Release heat
3. Generate pungent smelling gas
Sulfur burns in oxygen
【Phenomenon】
1. Emit bright blue-purple flames
2. Release heat
3. Generate pungent smelling gas
Let’s communicate
(1) When doing this experiment, in order for the experiment to be successful, why was a matchstick tied to the wire? You also need to wind the wire into a spiral shape, why?
Ignite the wire. Increasing the contact area with oxygen accumulates heat and makes the wire easy to burn.
(2) Why put some water or spread a layer of fine sand at the bottom of the bottle before the experiment?
In order to prevent the molten material splashing from exploding the bottom of the bottle during burning.
4. Reaction with phosphorus
Phenomenon: A large amount of white smoke is produced, heat is released, and a white solid is produced.
in conclusion:
Red phosphorus + oxygen → phosphorus pentoxide
P + O2→P2O5
Note: P2O5 is a solid, not a gas
Do you know how?
1. Use line segments to connect the phenomena when the following substances burn:
Charcoal burns in oxygen and sparks fly
Sulfur burns in oxygen and emits a light blue flame
Thin wire burns in oxygen and emits white light
Sulfur burns in the air with a bright blue-violet flame
2. Write the text expression of the above reaction and write the chemical formula under the name of the substance.
carbon + oxygen → carbon dioxide
C O2 CO2
Sulfur + oxygen → sulfur dioxide
S O2 SO2
Keywords: Mystery of Air teaching courseware, Properties of Oxygen teaching courseware, Beijing curriculum reform version 9th grade chemistry PPT courseware download, Ninth grade chemistry slide courseware download, Mystery of Air PPT courseware download, Properties of Oxygen PPT courseware download,. PPT format;
For more information about "The Mystery of Air, Properties of Oxygen" PPT courseware, please click on the "Mystery of Air ppt, Properties of Oxygen ppt" tag.
"Properties of Oxygen" Mystery of Air PPT Courseware 3:
"Properties of Oxygen" The Mystery of Air PPT Courseware 3 1. Physical Properties 1. Color, taste and state: Usually a colorless, odorless gas 2. Density: slightly higher than the density of air 3. Solubility: not easily soluble in Water 4. Three-state transformation: two, oxygen at 101kPa..
"Properties of Oxygen" Mystery of Air PPT courseware:
"The Properties of Oxygen" The Mystery of Air PPT courseware [New lesson introduction] [Thinking] What is collected in the gas collecting bottle is a common gas. Do you know if it is air, oxygen or nitrogen? If you want to verify that it is indeed oxygen, you must first understand the properties of oxygen. Oxygen...
"The Properties and Uses of Oxygen" Life-Sustaining Gas - Oxygen PPT Courseware:
"The Properties and Uses of Oxygen" Oxygen PPT courseware for life-sustaining gas 1. Physical properties 1. Normally, oxygen is a colorless, odorless gas 2. Density: slightly higher than the density of air 3. Solubility: difficult Soluble in water 4. Three-state transformation: Gas under 101kPa..