WHO EVER ANSWERS THESE TWO QUESTIONS AS SIMPLE AS THEY CAN GETS 100 POINTS AND DONT GO ON GOOGLE I ALREADY CHECKED JUST ANSWER IN YOUR OWN WORDS. How is the atomic mass calculated for elements on the periodic table

How are orbit and electron cloud models of the atom different.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Plz mark brainliest 30 points 1) find the momentum of a 12 kg snowball that is rolling with a velocity of 9 m/s. 2) an 8 ball with a mass of .5 kg is sitting at rest. it is hit by the cue ball (1 kg) traveling at 2.5 m/s. if the cue ball is at rest after the collision, how fast is the 8 ball traveling after the collision? 3) two football players are running toward each other. if the offensive player is 75 kg and is running 8 m/s, how fast must the 60 kg defensive player run in order for the two players to hit and stop?

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?