subject
Chemistry, 13.06.2020 06:57 24mm05

When you crush a first-aid pack for an injured athlete, the pack gets cold. Which statement is true?
A physical change has occurred, with energy being absorbed.

A chemical change has occurred, with energy being given off.

A physical change has occurred, with energy being given off.

A chemical change has occurred, with energy being absorbed.

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 21.06.2019 13:30
Is pain reliever a prescription drug?
Answers: 1
question
Chemistry, 22.06.2019 07:10
Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4
Answers: 3
question
Chemistry, 22.06.2019 13:00
How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide
Answers: 2
question
Chemistry, 22.06.2019 14:00
What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?
Answers: 3
You know the right answer?
When you crush a first-aid pack for an injured athlete, the pack gets cold. Which statement is true...
Questions
question
Mathematics, 03.02.2021 21:00
question
Mathematics, 03.02.2021 21:00
question
History, 03.02.2021 21:00
question
Spanish, 03.02.2021 21:00
question
Mathematics, 03.02.2021 21:00
question
Mathematics, 03.02.2021 21:00
question
French, 03.02.2021 21:00
question
Mathematics, 03.02.2021 21:00
Questions on the website: 13722359