Physics, 20.05.2020 19:03, Onlytrillest

Which describes how chemical changes are different from physical changes?
Select one: a. Chemical changes can be measured, but physical changes cannot. b. Chemical changes involve the formation of a new substance. c. Chemical changes release energy, but physical changes absorb energy. d. Chemical changes cannot be caused by oxygen.

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 13:30, 214578

An air bubble of volume 20 cm³ is at the bottom of a lake 40 m deep, where the temperature is 4.0°c. the bubble rises to the surface, which is at a temperature of 20°c. take the temperature of the bubble’s air to be the same as that of the surrounding water. just as the bubble reaches the surface, what is its volume?

Answers: 1

continue

Physics, 21.06.2019 19:00, maskythegamer

Modify the equation fδt=δ (mv) to find the force of friction.

Answers: 2

continue

Physics, 21.06.2019 22:30, starreee

Acricket ball of 70g moving with a velocity of 0.5 m/s is stopped by a player in 0.5s what is the force applied to stop the ball

Answers: 1

continue

Physics, 22.06.2019 07:20, caeyanij

Diamond will scratch quartz. true or false