22 points!
in this unit we have talked about the differences between chemical and physical ch...
![subject](/tpl/images/cats/himiya.png)
22 points!
in this unit we have talked about the differences between chemical and physical changes, take a look at the following images below and decide which one is representing a chemical change, and explain how you know it is a chemical change in 2-3 sentences.
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Chemistry
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:30
A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:30
An atom with 7 protons, 6 neutrons, and 7 electrons has an atomic mass of amu. (enter a whole number.) numerical answers expected! answer for blank 1:
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 20:00
Which of the following would not diffuse through the plasma membrane by means of simple diffusion? 1 oxygen 2 glucose 3 a steroid hormone 4 a lipid soluble vitamin
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 00:10
Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas
Answers: 3
You know the right answer?
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/en.png)
English, 13.12.2019 00:31
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2019 00:31
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2019 00:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 13.12.2019 00:31
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
English, 13.12.2019 00:31
![question](/tpl/images/cats/es.png)
Spanish, 13.12.2019 00:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.12.2019 00:31
![question](/tpl/images/cats/en.png)
English, 13.12.2019 00:31