How much does a gallon of gas weigh?

Though it varies depending on the type of gas, an average gallon weighs around 6 pounds. Petrol (gas) tank holds about 4 gallons, but it actually can hold more than 4 gallons. It depends on the size of the tank too. I’m thinking about buying an aftermarket gas tank off eBay if it will fit … Read more

How many acres are there in a mile?

A square mile is an area of land measuring one mile on each side. If you multiply that by the number of miles around a sphere, you get the total surface area of the sphere.  On a flat plane, this number would be 3.14 times as great because a plane is not curved like a … Read more

How many valence electrons does magnesium have?

Magnesium is a chemical element in the periodic table that has the symbol Mg and atomic number 12. The free element of magnesium is a metallic silver white that is both ductile and malleable. It was first isolated by Sir Humphry Davey in England by passing an electric current through molten Magnesium Chloride. It is … Read more