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What burn quickly powered coal small pieces of coal or lumps of coal?
when coal is pulvorised(powder ) the surface area will be more so it cathes fire early than lumps.
Why does coal dust burn quicker than lumps of coal?
Coal dust has a larger surface area compared to lumps of coal, allowing for quicker combustion due to increased exposure to oxygen. The smaller particles in coal dust also ignite more easily, leading to faster burning. Additionally, coal dust has lower density and requires less heat to ignite compared to lumps of coal.
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.
What is nutty slack?
Nutty slack is a term used in coal mining to refer to a mixture of different sizes of coal pieces, coal dust, and other impurities that are left over after the larger coal pieces have been extracted. It is considered to be of lower quality compared to pure coal and is usually used for purposes like heating rather than industrial applications.
Why is coal broken and grounded into powder before it is blown into the boiler blast furnice?
The fine coal dust is much more combustible than large lumps of coal. Large lumps of coal takes time for the flames to begin burning it efficiently - so heat takes longer to build up in the furnace.
Why powdered flour reacts more quickly than lumps of wheats?
Powdered flour reacts more quickly than lumps of wheat because it has more surface area to absorb liquid.
What burn quickly powered coal small pieces of coal or lumps of coal?
when coal is pulvorised(powder ) the surface area will be more so it cathes fire early than lumps.
Why does coal dust burn quicker than lumps of coal?
Coal dust has a larger surface area compared to lumps of coal, allowing for quicker combustion due to increased exposure to oxygen. The smaller particles in coal dust also ignite more easily, leading to faster burning. Additionally, coal dust has lower density and requires less heat to ignite compared to lumps of coal.
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.
What is nutty slack?
Nutty slack is a term used in coal mining to refer to a mixture of different sizes of coal pieces, coal dust, and other impurities that are left over after the larger coal pieces have been extracted. It is considered to be of lower quality compared to pure coal and is usually used for purposes like heating rather than industrial applications.
Why would you use wind rather than coal as an energy source?
because coal pollutes and we have unlimited wind
Why is powder in a chemical reaction used instead of lumps?
Powdered substances have a higher surface area compared to lumps, which allows for faster and more even reactions. The increased surface area facilitates greater contact between the reactants, leading to a more efficient reaction process. Additionally, powdered substances tend to have better solubility and dispersibility in reaction mixtures.
Why do you keep getting lumps on your face after you shave?
You need to use a clean sharp razor with a moisturising gel then finish with a moisturiser rather than after-shave.
Why is coal broken and grounded into powder before it is blown into the boiler blast furnice?
The fine coal dust is much more combustible than large lumps of coal. Large lumps of coal takes time for the flames to begin burning it efficiently - so heat takes longer to build up in the furnace.
Is coal clastic or non-clastic?
Coal is considered a non-clastic sedimentary rock because it forms from the compressed remains of plant material rather than from the deposition of rock fragments or grains.
What is the transparency of coal?
Coal is considered opaque and does not allow light to pass through it easily. This lack of transparency is due to the high carbon content and various impurities present in coal, which absorb light rather than allowing it to pass through.
Why coal oil and Amber are not considered minerals?
Coal, oil, and amber are not considered minerals because they are organic in origin, formed from decayed plants and animals rather than being inorganic solid substances with a crystalline structure like minerals. Additionally, coal, oil, and amber are composed of complex organic compounds rather than the simple chemical composition typically associated with minerals.
