Chemistry, 13.10.2019 11:10 tasiaandrews123
The temperature of a sample of liquid water changes from 50°c to 30°c. which statement best explains the change that must happen at the molecular level?
the molecules move more quickly and their average kinetic energy increases.
the molecules move more slowly and their average kinetic energy decreases.
the molecules move more quickly and their average kinetic energy decreases.
the molecules move more slowly and their average kinetic energy increases.
Answers: 2
Another question on Chemistry
Chemistry, 21.06.2019 15:00
Theoretically, which metal should be the most reactive? hydrogen lithium francium fluorine
Answers: 1
Chemistry, 21.06.2019 16:30
Asample of silver (with work function ? = 4.52 ev) is exposed to an ultraviolet light source (? = 200 nm), which results in the ejection of photoelectrons. what changes will be observed if: silver is replaced with copper (? = 5.10 ev) more photoelectrons ejected no photoelectrons are emitted fewer photoelectrons ejected more energetic photoelectrons (on average) less energetic photoelectrons (on average)
Answers: 3
Chemistry, 22.06.2019 10:30
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
Answers: 2
Chemistry, 22.06.2019 14:00
What term describes technology that operates on an atomic level
Answers: 2
You know the right answer?
The temperature of a sample of liquid water changes from 50°c to 30°c. which statement best explains...
Questions
Mathematics, 17.02.2021 19:40
History, 17.02.2021 19:40
Biology, 17.02.2021 19:40
History, 17.02.2021 19:40
Mathematics, 17.02.2021 19:40
Mathematics, 17.02.2021 19:40
Physics, 17.02.2021 19:40
Biology, 17.02.2021 19:40
English, 17.02.2021 19:40
Mathematics, 17.02.2021 19:40
Geography, 17.02.2021 19:40
