subject
Physics, 29.01.2020 21:59 saja19

You are asked to explain what happens to individual atoms when a chemical change takes place in lab you are doing in class. what is the best explanation?
a. some are created.
b. they are rearranged.
c. some are destroyed.
d. some are destroyed and some are created.

ansver
Answers: 3

Another question on Physics

question
Physics, 22.06.2019 01:20
Abanked road comer of radius 146 m is to be constructed. if the comer is designed for vehicles moving with a speed of 20.0 m/s, what should the banking angle be, in units of degrees?
Answers: 3
question
Physics, 22.06.2019 04:30
You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?
Answers: 2
question
Physics, 22.06.2019 20:30
Aball is thrown from the top of a building with an initial velocity of 21.9 m/s straight upward, at an initial height of 51.6 m above the ground. the ball just misses the edge of the roof on its way down, as shown in the figure. (a) determine the time needed for the ball to reach its maximum height. (b) determine the maximum height. (c) determine the time needed for the ball to return to the height from which it was thrown, and the velocity of the ball at that instant. (d) determine the time needed for the ball to reach the ground. (e) determine the velocity and position of the ball at t = 5.35 s.
Answers: 1
question
Physics, 23.06.2019 00:30
What is the speed vfinal of the electron when it is 10.0 cm from charge 1?
Answers: 1
You know the right answer?
You are asked to explain what happens to individual atoms when a chemical change takes place in lab...
Questions
question
Spanish, 06.05.2020 08:40