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Combustion is a chemical reaction during which a combustible material combines with oxygen in the air with the release of light, heat and smoke. In order for a material to combust, it must first be ignited and it must be at a temperature (that varies for each material) at which it is ready to ignite. This temperature is known as the flash point. Therefore it can be said that anything that can cause a material to start to combust is a source of combustion. The answer to the question is therefore any two of the following: 1. Direct contact with a naked flame 2. Direct contact with a spark (such as an electrical spark) 3. The discharge of a static electric charge 4. Friction 5. Shock 6. Release of chemical energy 7. Release of natural energy - lightning, sunshine...
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What are two processes that form two different oxides?
Combustion: In combustion, oxygen combines with a substance to form an oxide. For example, in the combustion of carbon, carbon dioxide (CO2) is formed. Rusting: When iron is exposed to oxygen and moisture, it forms iron oxide (rust) through a process known as corrosion.
What are two characteristics of combustion reactions?
Combustion is the description of the reaction that results when a substance burns when heat is applied fast enough. Usually combustion also cause a rapid expansion of gasses from the reaction.
What are two possible sources of groundwater contamination?
Two possible sources of groundwater contamination are agricultural runoff, which can carry pesticides and fertilizers into groundwater sources, and leaking underground storage tanks, which can release harmful chemicals into the groundwater.
What are the main sources of heat?
The main sources of heat include the sun, geothermal energy within the Earth's core, and combustion of fossil fuels such as coal, oil, and natural gas. Other sources include friction, chemical reactions, and electrical resistance.
Does water affect the heat of combustion of ethanol?
There are two angles to this question: 1. If your ethanol is contaminated with water it will reduced the amount of useful heat generated since the water will boil off while the ethanol is burning. 2. The water generated as a result of combustion is included as a term in the calculation of heat of combustion.
What are the sources of ozone pollution?
Domestic electrical discharges, and infernal combustion engines.
What are sources of ozone pollution?
Domestic electrical discharges, and infernal combustion engines.
What are two man made sources of greenhouse gases?
The largest source of CO2 emissions globally is the combustion of fossil fuels such as coal, oil and gas in power plants, automobiles, industrial facilities and other sources.
Hybrid Cars Use Two Power Sources to Operate?
Hybrid cars use two power sources, electricity and a gas-powered internal combustion engine, to operate. These vehicles attempt to maximize the advantages and minimize the disadvantages of both power sources. Electric cars can only travel 50 to 100 miles on a single charge. Gas-powered cars, on the other hand, pollute the environment. Hybrids allow for short trips via electrical power, and longer trips via the internal combustion engine.
Is hybrid a renewable energy?
Hybrid isn't an energy, it's a word currently used for cars with two different power sources, like both a combustion engine and an electric motor.
Is it combustion is energy?
Grammatical quibbles aside, no, combustion is not energy. Combustion may produce (or release) energy, but the two are not identical.
What are the four sources of heat?
The four main sources of heat are the sun, geothermal energy from the Earth's core, friction from mechanical processes, and chemical reactions such as combustion.
The development of the internal combustion engine was responsible for becoming one of the nation's major sources of power?
oil
What is the development of the internal combustion engine was responsible for becoming one of the nation's major sources of power?
Oil
What two gases are produced by both combustion and cellar respiration?
Carbon dioxide and water vapor are the two gases produced by both combustion and cellular respiration.
What are the two products made during the complete combustion of Paraffin Wax?
water vapour and carbon products of combustion.
What are the sourcess of electricity?
in many sources we are producing electricity. They are water, from combustion of coal , from wind , from biomass ,and from nuclear power
