A 800 kg car traveling at 25 m/s rear ends another 500 kg car at rest. The two bumpers lock and the cars move forward together. What is their final velocity?

Ci think not

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

It can be classified based on its

Oxygen= 88ghydrogen= 12g