What is the weight of coal?
Weights vary from 47 to 55 pounds per cubic foot. Cubic Feet Per Ton of Coal (Based upon above table).
What is the formula of coal?
The chemical formula of coal is reported as: C135H96O9NS. Coal is usually taken as 85% carbon based on dry mass.
Is coal a true rock?
It’s classified as an organic sedimentary rock, but rocks are combinations of minerals, and minerals are inorganic. Coal is made of decomposed plants, which are organic. … So yes, coal is classified as an organic sedimentary rock, and yes, rocks are supposed to be made of minerals and minerals can’t be organic.
Why is coal bad for the environment?
The burning of fossil fuels releases greenhouse gases into the atmosphere, increasing levels of CO2 and other gasses, trapping heat, and contributing to global climate change. Coal combustion releases the greenhouse gases carbon dioxide (CO2) and nitrous oxide (N2O) during combustion.