![subject](/tpl/images/cats/himiya.png)
Chemistry, 22.12.2019 11:31 PolinaZagorodniy123
Why is the melting of ice a physical change? it changes the chemical composition of water. it does not change the chemical composition of water. it creates new chemical bonds. it forms new products. it is an irreversible change that forms new products.
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:30
When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30
Why is it possible for different microorganisms to extract energy not only from carbohydrates and other biological molecules but from a large variety of substances?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 02:50
What is the typical rotational frequency frot for a molecule like n2 at room temperature (25∘c)? assume that d for this molecule is 1å=10−10m. take the total mass of an n2 molecule to be mn2=4.65×10−26kg. you will need to account for rotations around two axes (not just one) to find the correct frequency. express frot numerically in hertz, to three significant figures.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 10:00
The temperature of a lead fishing weight rises from 26 °c to 38 °c as it absorbs 11.3 j of heat. what is the mass of the fishing weight in grams?
Answers: 2
You know the right answer?
Why is the melting of ice a physical change? it changes the chemical composition of water. it does...
Questions
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2020 04:14
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2020 04:14
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2020 04:14
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.03.2020 04:15
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.03.2020 04:15
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 26.03.2020 04:16
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.03.2020 04:16