Combustion

by paige0719
Last updated 6 years ago

Discipline:
Science
Subject:
Chemistry
Grade:
10

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Combustion

C3H8 + 5O2 3CO2 + 4H2O

Combustion of Propane

Balanced Chemical Equation

Word Equation

Propane + Oxygen --> Carbon Dioxide + Water

Type of chemical reaction:

Combustion. It involves the burning of a hydrocarbon, when mixing with oxygen.

This reaction most often is used in barbecues, heat homes or even fuel machinery and vehicles.

Benefits of using this chemcial reaction are:In many applications, studies have shown that propane models emit:-52% less greenhouse gase emissions than electric water heaters.-38% lower greenhouse gases than fuel oil furnaces.-1/2 of the carbon dioxide emissions of a charcoal barbecues.-Propane-fuelled school buses produce 17% lower GHG emissions than gasoline-fuelled buses.-Propane is non-toxic-

The risks of using this chemical reaction include:-The substance being highly flammable.-Unusual pressure build up inside a propane tank (which is usually fixed with the pressure relief valves built onto the tank itself).-If source of propane is not connected correctly, the is a chance of the occurance of carbon monoxide, a colourless , odourless and toxic gas.

Handling and Disposal:-When using propane, you must be aware of propane's odour, in the event of a leak. The odour smells like rotten eggs, skunk or boiling cabbage.-Knowing how to change your cylinder pronpane tank, and having it properly connected to prevent gas leaks. If you are unaware how, or feel uncomfortable with changing the cylinder tank, ask someone you trust, or call a professional.-When disposing of used propane tanks (mainly barbecue), you can take them to the local landfill or recycling station to be disposed of properly. Though in some cases, the tanks can be refilled at a gas station, harware store or designated store.

While carrying out this reaction, protection needed is limited. It is recommeneded to use heat resistant or fire proof gloves or mits, to cover the hands. Do not get clothing, hair, or flammable items near flames as they will burn. Do not put face or skin too close to the reaction as it will also cause burns, or the inhalation of smoke, which can damage the respiratory system. When handling items near the reaction (i.e. food on a barbecue), use a safe device that will not burn or melt.Those who would need to know this information would be anyone handling or near a cooking site when this reaction is used for that specific purpose (i.e a chef or guardian preparing meals on a barbecue or propane gas stove top). Others who should be aware of the procautions would be any emplyee who sells, refills or transports propane.

This reaction has a widely positive effect on the environment, as stated previously. The combustion of propane gas produces less greenhouse gas emmisions than other hydrocarbons, which makes it a cleaner source of energy, and better for the environment.

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