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.
Answers: 3
Another question on Chemistry
Chemistry, 21.06.2019 22:30
For the following, determine the type of reaction and then give products.
Answers: 2
Chemistry, 23.06.2019 01:00
Aman applies a force of 500n to push a truck 100m down the street how much does he do?
Answers: 1
Chemistry, 23.06.2019 02:40
Calculate the standard enthalpy of formation of liquid methanol, ch3oh(l), using the following information: c(graphite) + o2 latex: \longrightarrow ⟶ co2(g) latex: \delta δ h° = –393.5 kj/mol h2(g) + o2 latex: \longrightarrow ⟶ h2o(l) latex: \delta δ h° = –285.8 kj/mol ch3oh(l) + o2(g) latex: \longrightarrow ⟶ co2(g) + 2h2o(l) latex: \delta δ h° = –726.4 kj/mol
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
Physics, 24.05.2021 04:10
English, 24.05.2021 04:10
Mathematics, 24.05.2021 04:10
Mathematics, 24.05.2021 04:10
Mathematics, 24.05.2021 04:10
English, 24.05.2021 04:10
Mathematics, 24.05.2021 04:10
Biology, 24.05.2021 04:10
Mathematics, 24.05.2021 04:10
English, 24.05.2021 04:10
Social Studies, 24.05.2021 04:10
Biology, 24.05.2021 04:10
Mathematics, 24.05.2021 04:10
Computers and Technology, 24.05.2021 04:10
Mathematics, 24.05.2021 04:10
Mathematics, 24.05.2021 04:10
