After 1 half life its half the element
after 2 hl its quarter remaining
after 3 hl its half the quarter which is 1 eighth
after 3 half lifes
Kinetic Energy= 0.5 times velocity squared times mass
So KE= 0.5times 150 times 40 squared
(Use a calculator)
And don't forget units
The reactants are found on the left side, the products are found on the right side.
Fats are large molecules made of two types of molecules, glycerol and some type of fatty acid.
