![subject](/tpl/images/cats/himiya.png)
Chemistry, 15.11.2019 01:31 Reggie7079
Identify each energy exchange as primarily heat or work and determine whether the sign of δe is positive or negative for the system. a. a rolling billiard ball collides with another billiard ball. the first billiard ball (defined as the system) stops rolling after the collision. b. a book falls to the floor. (the book is the system). c. a father pushes his daughter on a swing. (the daughter and the swing are the system)
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 18:00
How does climate change cause the ocean's thermohaline current to slow down?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 21:30
If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?
Answers: 1
You know the right answer?
Identify each energy exchange as primarily heat or work and determine whether the sign of δe is posi...
Questions
![question](/tpl/images/cats/biologiya.png)
Biology, 29.04.2021 17:50
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 29.04.2021 17:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 29.04.2021 17:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 29.04.2021 17:50
![question](/tpl/images/cats/mkx.png)
Arts, 29.04.2021 17:50
![question](/tpl/images/cats/mkx.png)
Arts, 29.04.2021 17:50
![question](/tpl/images/cats/himiya.png)
Chemistry, 29.04.2021 17:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 17:50