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Coal is generally made up of long chain and cyclic carbon-hydrogen compounds called hydrocarbons. In some places it may also contain significant amounts of sulfur and other contaminants.
When one burns it as a fuel (oxidization), it generates a tremendous amount of heat. The hydrogen combines with oxygen to form plain water in the form of steam. The carbon combines with oxygen to form carbon dioxide.
So, while the coal is a stable form of carbon that has been in the earth for thousands or millions of years, burning it produces carbon dioxide.
Keep in mind that the total carbon dioxide concentration in the atmosphere is between 0.03% and 0.04%, or about 390 parts per million now. Over the last hundred years the total change has been about .01%. But, in total levels that is an increase of about a third.
What else can I help you with?
Which element in the coal is oxidised to form carbon dioxide?
Carbon in coal is oxidized to form carbon dioxide when coal undergoes combustion.
What element in coal is oxidised to form this gas?
Carbon in coal is oxidized to form carbon dioxide gas when coal is burned.
What happens to the carbon in the coal?
When coal is burned, the carbon in the coal combines with oxygen in the air to form carbon dioxide. This carbon dioxide is released into the atmosphere as a greenhouse gas, contributing to climate change.
How many pounds of CO2 in one ton of coal?
Assuming that coal is essentially pure carbon, each 12 kg of coal will combust to form 44 kg of carbon dioxide (C+O2 -->CO2) a bit more than 3 times as much carbon dioxide as coal. A ton of carbon will burn to form about 3 tones of carbon dioxide.
What are the two chemicals that form after coal and oil are burned?
Water and Carbon dioxide?
What is the chemical equation for the combustion of coal?
C + O2 ⟹ CO2 Carbon and oxygen combine to form carbon dioxide.
What black solid reacts with oxygen to make carbon dioxide?
Carbon in the form of charcoal or graphite reacts with oxygen in the air to produce carbon dioxide when it burns.
Is burning coal a chemical or physical reaction?
It is a chemical reaction. The coal (which is mostly carbon) reacts with oxygen to form carbon dioxide.
Is there carbon dioxide in coal?
yes when during photosynthesis plants take co2 n whn they decomposed they form coal
How burning carbon in air can lead o the formation of carbon monoxide?
The formation of carbon dioxide. Burning coal that releases only carbon dioxide means the coal is completely burnt and more energy is produced. Carbon monoxide is released when the combustion process is incomplete.
What happens to coal when it is burnt?
When coal is burned, it releases heat energy by undergoing combustion. The carbon in the coal combines with oxygen in the air to produce carbon dioxide, while other elements in the coal may form other compounds like sulfur dioxide. The released heat energy is commonly used for generating electricity or heating.
What are the two chemicals that form after coal is burned?
The two main chemicals that form after coal is burned are carbon dioxide (CO2) and sulfur dioxide (SO2). Carbon dioxide is a greenhouse gas that contributes to global warming, while sulfur dioxide can lead to acid rain and respiratory issues.
