"Research on Carbon Dioxide Production" Carbon and Carbon Oxides PPT Courseware 5

Description

"Research on Carbon Dioxide Production" Carbon and Carbon Oxides PPT Courseware 5

teaching objectives

1. Understand the reaction principle of producing carbon dioxide in the laboratory, explore the device for producing carbon dioxide in the laboratory, and design the device to produce carbon dioxide;

2. By comparing the principles and properties of producing oxygen and carbon dioxide, initially determine the general ideas and methods for producing gases in the laboratory;

3. Through the exploration of ideal medicines for carbon dioxide, we will cultivate the scientific spirit of students who are good at cooperation, diligent in thinking, rigorous and realistic, brave in innovation, and willing to practice, and also develop their interest in learning chemistry.

Key points and difficulties:

Focus: Chemical reaction principles, experimental devices and preparation methods for producing carbon dioxide in the laboratory.

Difficulty: Starting from the design idea of ​​producing gas in the laboratory, explore the method of producing carbon dioxide gas in the laboratory.

Exploration activity 1: Explore the reaction principle of producing CO2 in the laboratory

Li Yili

Factors that should be considered when determining the reaction principle of gases produced in the laboratory:

1. The gas produced should be relatively pure;

2. The reaction conditions should be easy to meet;

3. The reaction rate should be moderate;

Exploration activity 2: Explore the device for producing CO2 in the laboratory

I believe you will think

What factors should be considered when determining a carbon dioxide gas generating device?

The state of the reactants solid-liquid

Reaction conditions do not require heating

What factors should be considered when determining a carbon dioxide gas collection device?

Carbon dioxide is denser than air

The solubility of carbon dioxide is soluble in water

Can carbon dioxide react with water? Can carbon dioxide react with water?

Exploration activity 3: Explore the verification methods and fullness verification methods of CO2

How to verify carbon dioxide gas:

Pass the gas to be tested into clear lime water, and the clear lime water turns turbid, proving that the gas is CO2.

How to check if carbon dioxide gas is full:

Put a burning wooden stick on the mouth of the gas collecting bottle. If the wooden stick goes out, it means that the CO2 is full.

Exploration activity 4: Make a bottle of carbon dioxide gas

The main steps for producing CO2 in the laboratory:

1. Connect the instruments as required;

2. Check the air tightness of the device;

3. Loading solid and liquid medicines;

4. Collect and check for full gas.

Topic 2 Research on carbon dioxide production

1. Ideal raw materials and reaction principles for producing carbon dioxide in the laboratory

1. Raw materials: limestone or marble and dilute hydrochloric acid

2. Reaction principle: CaCO3+2HCl=CaCl2+H2O+CO2↑

2. Determine the device for producing gas in the laboratory

1. Generating device: solid and liquid are not heated

2. Collection device: upward air exhaust method

3. Verification and verification of laboratory production of carbon dioxide

1. Testing method: Pass the generated gas into a test tube containing clear lime water. If the clear lime water becomes turbid, it proves that it is carbon dioxide, otherwise, it is not.

2. How to check for fullness: Place a burning wooden stick at the mouth of the gas collection bottle. If the flame goes out, it means that the collection is full; otherwise, it means that the collection is not full.

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For more information about the PPT courseware "Research on the Preparation of Carbon Dioxide from Carbon and Carbon Oxides", please click the Research ppt tab on Carbon and Carbon Oxides ppt Preparation of Carbon Dioxide.

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Update Time: 2024-11-18

This template belongs to Chemistry courseware People's Education Press Ninth Grade Chemistry Volume 1 industry PPT template

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