![subject](/tpl/images/cats/himiya.png)
ASAP MULTIPLE CHOICE WILL MARK BRAINLIEST
Rhenium(Re) is made up of 37.4% 185Re and 62.6% 187Re.
The atomic mass of 185Re is 184.953 amu. The atomic mass of 187Re is 186.956 amu.
What is the average atomic mass of rhenium?
186.00 amu
186.207 amu
186.397 amu
187.00 amu
![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)
Chemistry, 22.06.2019 06:00
The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 10:30
Consider the following reactions. (note: (s) = solid, (l) = liquid, and (g) = gas.) mg(s) + ½o2(g) → mgo(s) + 146 kcal/mole h2(g) + ½o2(g) → h2o(g), δh = -57.82 kcal/mole what type of reaction is represented by the previous two examples?
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:00
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:30
The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll
Answers: 1
You know the right answer?
ASAP MULTIPLE CHOICE WILL MARK BRAINLIEST
Rhenium(Re) is made up of 37.4% 185Re and 62.6% 187Re.
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.03.2021 23:10
![question](/tpl/images/cats/mat.png)
Mathematics, 25.03.2021 23:10
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 25.03.2021 23:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.03.2021 23:10
![question](/tpl/images/cats/istoriya.png)
History, 25.03.2021 23:10
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.03.2021 23:10
![question](/tpl/images/cats/mir.png)
World Languages, 25.03.2021 23:10
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)