![subject](/tpl/images/cats/himiya.png)
![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)
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 04:00
What are the names of these two interactions with cattle and how do they differ from each other
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 06:40
1.) which of the following is a molecule but not a compound? a.he b.f2 c.h2o d.ch4 2.) what is a physical combination of substances? a.a compound b.a molecule c.a mixture d.an element 3.) what is a chemical combination of substances? a.a compound b.an atom c.a mixture d.an element 4.) what is the relationship between the solute and solvent in a solution? a.they form a compound b.they form a mixture c.they form molecules d.they form chemical bonds 5.) the gases in air dissolve in water. what would be one way to reduce the amount of a gas dissolved in water? a.add more water b.reduce the air pressure c.increase the air pressure d.stir the water 6.) how would you determine the solubility of a substance? a.find how well it dissolved various substances. b.find the mass and the volume of the substance. c.find the temperature at which the substance evaporated. d.find how much i was able to dissolve in a solute. 7.) the periodic table organizes all of the kinds of a.molecules. b.compounds. c.atoms. d.ions. 8.)what distinguishes two substances combined to become a compound vs. two substances combined to become a mixture? a.whether they can be easily separated b.whether they chemically bond together c.whether they both are visible d.whether they are heterogeneous 9.) the principle components of air are: n2 78% o2 21% ar 0.95% co2 0.038% this is a solution of a.molecules and atoms. b.molecules. c.compounds and molecules. d.atoms.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 23.06.2019 07:40
Which of the following has expanded our knowledge of the universe beyond our solar system the most? a. manned space travel b. the hubble space telescope c. the pioneer and voyager missions d. the international space station
Answers: 3
You know the right answer?
a 0.66-g sample of olive oil is burned in a calorimeter, the heat released increases the temperature...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00
![question](/tpl/images/cats/en.png)
English, 29.04.2021 19:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 29.04.2021 19:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00
![question](/tpl/images/cats/istoriya.png)
History, 29.04.2021 19:00
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 29.04.2021 19:00
![question](/tpl/images/cats/mat.png)
Mathematics, 29.04.2021 19:00