The average speed is 75 Km per hour. Remember the equation for speed is Speed = Distance divided by Time
Answer:
· A chemical reaction is a process generally characterized by a chemical change in which the starting materials (reactants) are different from the products. Chemical reactions tend to involve the motion of electrons, leading to the formation and breaking of chemical bonds. There are several different types of chemical reactions and more than one way of classifying them.
Explanation:
Answer:
mass gives the mass of atoms while molecular weight gives the mass of molecules
So that they combine smoothly and you aren't left with separated looking salad dressing. With polarity only, like-polarities dissolve like-polarities. So you must make sure that all your ingredients are polar or all are nonpolar.
