Coal (fuel source)

Coal is typically stored in large stockpiles at coal-fired power plants and coal mines. These stockpiles are kept outdoors to protect them from moisture and are usually covered with tarps to prevent combustion. In households, coal is commonly stored in a designated coal bin or shed.

Firewood is wood that has been cut and is used as a fuel for heating or cooking. Coal, on the other hand, is a fossil fuel that is mined and used for generating electricity, heating, and industrial processes. Coal burns hotter and longer than firewood, but tends to produce more pollution.

Bituminous coal is a type of coal that is often referred to as soft coal, containing a high amount of carbon and volatile matter. It is widely used for electricity generation and in the production of steel due to its high heat output and relatively low sulfur content.

Darby used the process of coking to remove chemical impurities from coal in 1713 because it produced a higher quality fuel with fewer impurities that burned more efficiently. Coking involves heating coal in the absence of oxygen to drive off volatile compounds and leave behind a cleaner, more pure form of carbon. This helped improve the efficiency of iron smelting and other industrial processes that relied on coal as a fuel source.

Coal and oil are both fossil fuels formed from the remains of ancient plants and animals. They are both non-renewable resources that are used for energy production, such as generating electricity and fueling vehicles. When burned, both coal and oil release carbon dioxide into the atmosphere, contributing to climate change.

The heat rate of coal refers to the amount of energy produced per unit of fuel consumed in a power plant. It is typically measured in British Thermal Units (BTU) per kilowatt hour (kWh) or megajoules (MJ) per kilowatt hour (kWh). The specific heat rate of coal can vary depending on factors such as the type of coal, efficiency of the power plant, and operating conditions.

Coal produces around 24-33 megajoules of energy per kilogram when burned. The energy output can vary depending on the type and quality of the coal.

Coal is an important resource because it is a major source of energy worldwide, particularly for electricity generation and industrial processes. It is relatively abundant and cost-effective compared to other sources of energy. However, burning coal can contribute to air pollution and greenhouse gas emissions, which has led to increased efforts to find cleaner and more sustainable energy sources.

Coal is popular because it has a high energy content and is widely available in many regions of the world. It has been traditionally used for electricity generation and industrial processes due to its relatively low cost compared to other energy sources. However, concerns about its environmental impact, particularly its contribution to air pollution and greenhouse gas emissions, have led to a shift towards cleaner energy sources.

When coal is burning, chemical energy stored in the coal is converted into heat energy and light energy. The heat energy is used to generate steam that drives turbines, which then converts the energy into electrical energy.

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Coal is bad for the air because when burned, it releases pollutants such as sulfur dioxide, nitrogen oxides, and particulate matter. These pollutants contribute to poor air quality, smog, acid rain, and respiratory issues for humans. Coal also emits greenhouse gases like carbon dioxide, which contribute to climate change.

Bituminous coal is formed through the accumulation of organic matter, typically plant material, that is buried and subjected to high pressure and temperature over millions of years. As the organic material is compressed, its moisture and gases are gradually expelled, leaving behind carbon-rich coal. The specific conditions during the coal formation process, such as the depth and duration of burial, determine the type of coal that will be produced.

Coal and petroleum are both fossil fuels formed from organic matter deposited millions of years ago. They are used as energy sources for generating electricity, heating, and transportation. Both coal and petroleum release carbon dioxide when burned, contributing to air pollution and climate change.

Coal can burn at temperatures ranging from 600 to 1300 degrees Celsius (1112 to 2372 degrees Fahrenheit) depending on the type of coal and the conditions of combustion.

Coal formation is largely the result of the accumulation and compression of plant material over millions of years. As plants died and decayed in swamps and wetlands, they were buried by layers of sediment and subjected to pressure and heat, gradually transforming into coal.

When coal is burned, the carbon and hydrogen atoms in the coal combine with oxygen to form carbon dioxide and water vapor, which are released as gases. The ash and other impurities in the coal remain behind as solid residues, which can contain various minerals and metals depending on the composition of the coal.

Coal is typically considered to be a hard, black or brownish-black sedimentary rock formed from the remains of plants that lived millions of years ago. While it may not be as hard as some rocks, it is not classified as soft like clay or sand.

Anthracite coal is harder than bituminous coal. Anthracite coal has a relative hardness of 1.3 to 1.4. Bituminous coal has a hardness of less than one.

France has been reducing its reliance on coal for energy generation in favor of cleaner alternatives such as nuclear power, natural gas, and renewable sources. Currently, coal accounts for a very small percentage of France's energy mix, with plans to phase it out completely by 2022.

Coal is no longer commonly used due to environmental concerns such as greenhouse gas emissions and air pollution. There is a global shift towards cleaner and more sustainable energy sources like natural gas, renewable energy, and nuclear power. Additionally, coal is becoming economically less viable as the costs of renewable energy technologies continue to decrease.

The advantages of coal are that it is fairly cheap to purchase and the Earth still holds large reserves of coal, at least compared to oil and gas. A lot of our infrastructure is already set up to use it. Being solid it is easy to store, and because it's not easy to ignite it's also safe to store. Another benefit coal has is that other materials can be made from it, for example fertilizers, paints, and plastics.

Paper and kerosene oil are commonly used to start fires because they are flammable materials that ignite easily and create a strong initial flame. Paper provides a quick burst of heat to ignite the wood or coal, while kerosene oil is a liquid fuel that can help sustain the fire until the wood or coal catches fire properly.

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When coal is burned, it releases carbon dioxide, sulfur dioxide, and other harmful gases and particles into the atmosphere, contributing to air pollution and greenhouse gas emissions. When gasoline is burned, it releases carbon dioxide, carbon monoxide, and nitrogen oxides, also contributing to air pollution and greenhouse gas emissions. These emissions can have negative impacts on human health and the environment.