The kinetic energy of a molecule or a sample is equal to the mass of the substance multiplied by the square of teh velocity. The mass of electron is equal to 9.10938356 × 10-31 kilograms. The kinetic energy given is 2.28 *10^-19 J.Hence the velocity is equal to 500,291.28 m/s
William finds a piece of pure iron in his garden. After a few days, the iron begins to rust. What are the two types of substances involved in the rusting process of iron?
Iron is (B) an element.
with one kind of atom that combines with oxygen from the air to form rust (iron oxide). Rust contains two types of atoms, which means it is
(A) a compound
Hope this helps. Have a nice day.
First get a map and measure how far you are from your original destination since the destination is not well identified where it is in Michigan so just get an approximate distance and then do the calculations