Question

What are some advantages and disadvantages of combustion reactions?

Answer 1

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Explanation:

ADVANTAGES :

Internal combustion engines have several advantages over external combustion engines. Because the fuel burns directly in the cylinder of the internal combustion engine, the heat loss is smaller, the thermal efficiency is higher, and fuel consumption is lower.

DISADVANTAGES :

There are various impacts of combustion on the environment, these impacts can be caused by; Gas leaks, oil spillage, noise and air pollution. Incomplete combustion of hydrocarbons also results in carbon monoxide pollution. An odorless, colorless gas, carbon monoxide can be harmful to both the environment and to people.

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Answer 2

The release of energy occurs as a result of the chemical reaction known as combustion, in which an oxidising agent and fuel combine to undergo oxidation (usually in the form of heat). The majority of combustion reactions include an oxidant and a fuel in highly exothermic redox reactions.

In a combustion reaction, the fuel that has been oxidised is often the end product (which is mostly liberated in the gaseous state). This is frequently called smoke.

Flames are a common accompaniment to combustion reactions. It is crucial to remember that not all combustion processes, though, cause fires.

• The advantages of internal combustion engines over external combustion engines are numerous. Internal combustion engines have fewer heat losses, higher thermal efficiencies, and less fuel consumption because the fuel burns directly in the engine's cylinder.
• Even for electric vehicles, combustion is a major component of our mobility because the majority of our electricity is produced by combustion.
• With combustion, we produce heat for industrial activities as well as heat for our houses, water, food, and other things.

Disadvantages of combustion reaction:

• Carbon dioxide is released as the main product when complete combustion takes place, which leads to the pollution of air, and also increases the temperature of the planet, as it doesn't allow infrared radiation of shorter wavelength to escape out from earth's atmosphere.
• Carbon monoxide is released as a main product when incomplete combustion. This gas has many adverse effects, for example, when inhaled by humans, it binds with haemoglobin and rsults in  in even death.

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