Achemical reaction is a process that is usually characterized by a chemical change in which the starting materials (reactants) are different from the products. which of the following is not a chemical reaction covered in class during this unit

options are decomposition triple replacement double replacement all of the above

Which one of the following research methods can show cause and effect

Consider a system with two masses that are moving away from each other. why will the kinetic energy differ if the frame of reference is a stationary observer or one of the masses?

Greg drew a diagram to compare two of the fundamental forces. which labels belong in the areas marked x, y and z? gravitational force electromagnetic force x. attractive y repulsive z: infinite range x: infinite range y attractive z. repulsive x. always attractive y: infinite range z: attractive or repulsive x. attractive or repulsive y infinite range z: always attractive