Fossil fuels store their energy in the chemical bonds that hold the hydrocarbon molecules together. That energy can stay trapped like that right up until the moment the hydrocarbons meet both heat and oxygen (O2).
Heat (from a match or spark) breaks the hydrocarbon and oxygen molecules apart, and then oxygen atoms react with the freed carbon and hydrogen atoms to give carbon dioxide (CO2) and water (H2O), and loads of energy as heat along the way.
combustion - burning fuel for energy
That extra heat is the key to fossil fuel's success. More heat energy is released when the new bonds form in CO2 and H2O than it took to break the original bonds in oxygen and the fuel. So once combustion starts, it's a runaway chain reaction giving off excess heat.
We've used the heat directly for cooking and warming, and indirectly to boil water for steam-powered turbines for electricity. The gases given off from burning fuels have driven pistons in internal combustion engines for more than a century.
Not only can we start a fire with a single spark, we can stop it by cutting the supply of fuel, air or heat, so it's a source of energy we can turn on and off as needed.
A controllable source of energy that has only two major downsides — finite supply and being the source of the CO2 that's driving climate change. No wonder fossil fuels have been such a hard habit for industrialised countries to kick.
Movement United States is north of Mexico and south of Canada.
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Hiya!
Yes, it's possible on a very clear day.
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Explanation:
Seismic waves are waves of energy that: ... At a seismic station the second waves to arrive are ... (a) a skier moving down a mountain hill,.
It is most likely because they were crafted using the DNA found in the bones of dinosaurs. So, in other words, scientists created them, and most likely the DNA did not give enough information for the dinosaurs to be able to reproduce.
