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Coal (fuel source)

Coal has been the primary fossil fuel since Native American times. Once coal companies started in the United States in the early to mid 1800s, men from England (Great Britain now United Kingdom), Scotland, and other European countries were recruited to come to the US. Local coal miners, especially in the bituminous coal field (Pittsburgh PA Coal Field which extended through SW PA, West Virginia, Ohio, Indiana, Kentucky) viewed these immigrants as "foreigners" and demanded companies only hire "practical" (experienced) miners; however, this idea formed solely because of language barriers and other biases, since overseas miners were very experienced in their home countries. Coal, as a fossil fuel, has been continuously mined in the US from the mid-1800s to the present.

3,543 Questions

Why is it hard to get coal for fuel?

Coal isn't all that difficult to get; there are hundreds of coal mines scattered over much of the North America, and central Europe has a lot of a soft "brown coal" called lignite. There's also plenty of coal in China and central Asia. Much of British industry depended on coal mining, and coal-fired steam engines powering pumps to drain the deep coal mines bootstrapped most of the Industrial Revolution.

If you want some coal, it can be delivered in dumptruck loads.

What gas is given off when coal burns?

Carbon dioxide is the gas given off. Oil also gives off the same gas when burned.

Why has coal usage increased?

Coal usage has increased due to its reliability and affordability as a source of energy, especially in developing countries. Despite its negative environmental impacts, coal remains a popular choice for electricity generation, particularly in regions where infrastructure for renewables is lacking. Additionally, some countries have abundant coal reserves, making it a convenient energy source for them.

What is soft coal?

Soft coal, also known as bituminous coal, is a type of coal that is relatively soft and contains a higher percentage of carbon and volatile matter compared to harder coal types like anthracite. It is commonly used as a fuel source for power generation and heating due to its higher energy content. Soft coal is also known for its smokey burning characteristics.

What is coal also called as?

Coal is also commonly referred to as fossil fuel or black gold due to its widespread use as a source of energy and industrial applications.

Why is an explosion is more likely to occur with coal dust than with lumps of coal?

Coal dust particles have a larger surface area compared to lumps of coal, allowing for faster combustion and easier ignition. The dispersed nature of dust particles also creates more opportunities for them to come into contact with an ignition source, increasing the likelihood of an explosion.

Is a coal power plant noisy?

Coal power plants can be noisy due to the operation of machinery such as turbines, generators, and pumps. The noise level can vary depending on the size and design of the plant, as well as the distance from residential areas. Noise reduction measures can be implemented to minimize the impact on surrounding communities.

What is the percentage of carbon in bituminous coal?

Bituminous coal typically contains about 60-80% carbon.

What state of matter is coal?

Coal is a solid state of matter. It is a naturally occurring combustible material composed primarily of carbon and other elements, often used as a source of energy.

How do you describe a bituminous coal?

Bituminous coal is described as:Diaphaneity (Transparency): Opaque

Colour: Black -- it is a shiny to dull jet black, smooth to rough texture

Streak: Black

Cleavage: None Observed

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Bituminous Coal exists in the geological area known as The Pittsburgh Coal Seam-- an area extending from Western Pennsylvania, Western West Virginia, Ohio, Kentucky, and Indiana. Mined since the days of Native American Indians, and heavily mined since 1800, it is estimated there is still enough coal in this large seam to last millions of years.

Why does coal have energy in it?

Coal contains energy because it is made up of carbon-rich organic compounds that were formed millions of years ago from decaying plant matter. Through a process called carbonization, the energy stored in these organic compounds is trapped within the coal as chemical energy. When the coal is burned, this chemical energy is released as heat and can be harnessed for various applications such as generating electricity or heating.

Is burning coal for a barbecue a physical change?

Yes, burning coal for a barbecue is a chemical change. This is because the combustion process results in a chemical reaction where the coal combines with oxygen to produce heat, carbon dioxide, and other byproducts.

What type of mixture is coal?

Coal is a compound and a mixture.

It is a Black Shiny rock.

Its principal elements is CARBON. , but since it is compressed organic matter it will contain Hydrogen, Oxygen, Nitrogen, Sulphur.

Coal is mined and then heated in COKE OVENS. This gives an impure form of carbon. The other compounds given off, are Carbon Dioxide, Water, Methane, Ammonia, sulphur dioxide, Hydrogen Sulphide. All these gases are captured and put to use to make other chemicals.

What's the origin of coal?

Coal originated from ancient plants that flourished in swamp-like environments millions of years ago. In Virginia, coal was formed mainly during the Carboniferous period of the Earth's history, 280 to 360 million years ago. There are also coalbeds in Virginia that were formed during the Triassic period, 205 to 245 million years ago. By comparison, most of the coals in the western U.S. were formed during the Cretaceous period, 70 to 140 million years ago, and the Tertiary period, 2 to 70 million years ago.

What fossil fuel is found in abundance in Europe?

Coal is the fossil fuel found in abundance in Europe. It has been a historically important energy source in many European countries for centuries, especially in regions like the UK, Germany, and Poland.

What could coal be used for?

Coal can be used as a source of energy for electricity generation, industrial processes, and heating. It can also be used in the production of steel and in the creation of certain chemicals and medications.

How can coal be maintained?

Coal can be maintained by storing it in a dry environment to prevent it from absorbing moisture, which can lead to deterioration. Proper ventilation and periodic inspection can also help to ensure that the coal remains in good condition for use. Additionally, keeping the storage area clean and free from contaminants will help maintain the quality of the coal.

What does bituminous coal?

Bituminous coal is a type of coal known for its high carbon content and energy value. It is widely used in electricity generation, steel production, and industrial processes due to its relatively high heat content compared to other types of coal. Bituminous coal is formed when heat and pressure are applied to organic matter over millions of years.

How much is a pound of coal?

The price of a pound of coal can vary depending on factors such as location, quality, and market demand. On average, it can range from $0.05 to $0.10 per pound.

How coal came from trees?

Coal is formed from dead plant matter, including trees, that was buried under layers of sediment millions of years ago. Over time, the plant material underwent heat and pressure, transforming it into coal through a process called coalification. This process converts the organic material into different forms of coal, such as lignite, bituminous coal, and anthracite, based on the depth of burial and heat applied.

Is in unburned lump of coal Kendrick energy or potential?

In an unburned lump of coal, the energy is in potential form. When coal is burned, its chemical energy is converted into heat and other forms of energy.

How did they discovered coal?

Coal was likely first discovered through natural exposure, such as erosion revealing coal deposits on the Earth's surface. Early civilizations may have stumbled upon coal while digging for other resources like metals. Over time, the value of coal as a fuel source became apparent through its combustion properties and energy-generating capabilities.

Does carbon in coal make it conductive?

Yes, carbon in coal can make it conductive due to its ability to conduct electricity. The carbon content in coal allows it to conduct electricity when a voltage is applied across it.

Is coal a form of energy is a solid?

Yes, coal is a solid fossil fuel that can be burned to produce energy. When coal is burned, it releases heat energy that can be used to generate electricity or for heating purposes.

What is the hardness of slag coal?

Slag is not a coal variety that has a typical hardness measurement. Slag is a byproduct formed during the smelting or refining of materials such as coal or metal ores. Its hardness can vary depending on its composition and production process.