Almost everything you know is a compound. Every plastic item you use is a compound. The computer you used to ask this question is full of different compounds.
How a compound is used depends on which compound it is. Since there are thousands of different compounds, I'm not going to even try making a list.
They are not.
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An aliphatic compound is used in chemistry. It is highly flammable and can be used in petroleum. Methane is the simplest aliphatic compound. It is also used in welding.
The name of As4O10 would be tetraarsenic decoxide. It is not a real compound. The closest real compound is As2O5, which is arsenic pentoxide.
They show the number of atoms that element has in that compound.
They are not.
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Water, Sugar and Salt
Silicon dioxide is a chemical compound which makes up a large proportion of the sand and other rocks that we find in our world; it is also used in making glass and many other products.
a cube because its used in the real world plus its not a polygon
E means Electronic in this real world of technology
They are used when calculating areas or volumes, for acceleration, for compound interest.
Bankers/investors use them to project savings over a long period with compound interest. Finance officers use them to calculate the payments when you buy something on credit. Believe it or not education is real world. When you are studying exponential equations you are in the real world. Population growth can be estimated by using exponentials. Numbers of illegal immigrants can also be estimated.
There are many ways quadratic equations are used in the real world. These equations are used to calculate area, speed and profit
popo
it used to cook and heat.
the compound C6H12O6(sugar) IS organic because this compound contains carbon.