A cold pack is broken, allowing two chemical substances to mix, making the pack cold. Which statement accurately describes the flow of energy in this reaction?
Both of the substances are present at the end of the reaction, each with more energy than before the reaction.
The surroundings gain energy from the system.
The system gains energy from the surroundings.
Energy flows from one of the substances to the other with no change in energy of the system.
Answers: 3
Another question on Chemistry
Chemistry, 21.06.2019 22:30
Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3
Answers: 3
Chemistry, 22.06.2019 21:00
Rays from the sun are not considered matter true or false
Answers: 2
Chemistry, 23.06.2019 00:00
(04.05 hc) analyze the given diagram of the carbon cycle below. part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.
Answers: 3
Chemistry, 23.06.2019 01:30
In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i
Answers: 1
You know the right answer?
A cold pack is broken, allowing two chemical substances to mix, making the pack cold. Which statemen...
Questions
Mathematics, 13.04.2021 16:40
Mathematics, 13.04.2021 16:40
Mathematics, 13.04.2021 16:40
Social Studies, 13.04.2021 16:40
Mathematics, 13.04.2021 16:40
Mathematics, 13.04.2021 16:40
Mathematics, 13.04.2021 16:40
Mathematics, 13.04.2021 16:40
Chemistry, 13.04.2021 16:40
