subject
Chemistry, 23.01.2020 10:31 FailingstudentXD

When energy is added or removed, is it a physical change, a chemical change, or both?

ansver
Answers: 2

Another question on Chemistry

question
Chemistry, 21.06.2019 19:30
What’s a special glass that most beakers are made of
Answers: 1
question
Chemistry, 22.06.2019 07:30
1. list three scientific reasons cockroaches may fly.
Answers: 1
question
Chemistry, 22.06.2019 09:00
Plz mark brainliest 30 points1) 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?
Answers: 1
question
Chemistry, 22.06.2019 12:40
When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign
Answers: 2
You know the right answer?
When energy is added or removed, is it a physical change, a chemical change, or both?...
Questions
question
Mathematics, 12.02.2021 20:10
question
English, 12.02.2021 20:10
question
Mathematics, 12.02.2021 20:10
question
Mathematics, 12.02.2021 20:10
question
History, 12.02.2021 20:10
Questions on the website: 13722360