![Chemistry](/tpl/images/cats/himiya.png)
Chemistry, 19.08.2019 18:50, raquelle66
Boron found in nature has an atomic weight of 10.811 and is made up of the isotopes 10b (mass 10.013 amu) and 11b (mass 11.0093 amu). what percentage of naturally occurring boron is made up of 10b and 11b respectively?
a. 30: 70
b. 25: 75
c. 20: 80
d. 15: 85
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Chemistry
![image](/tpl/images/cats/himiya.png)
Chemistry, 21.06.2019 14:00, Lesquirrel
Acar tire has a pressure of 2.38 atm at 15.2 c. if the pressure inside reached 4.08 atm, the tire will explode. how hot would the tire have to get for this to happen? report the temperature in degrees celsius.
Answers: 2
![image](/tpl/images/cats/himiya.png)
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 12:30, emmalybrown
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
![image](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 22:30, StupidFatChipmunk
What must be in balance for temperatures to remain constant?
Answers: 1
Do you know the correct answer?
Boron found in nature has an atomic weight of 10.811 and is made up of the isotopes 10b (mass 10.013...
Questions in other subjects:
![Konu](/tpl/images/cats/fizika.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 23.03.2020 11:36
![Konu](/tpl/images/cats/fizika.png)
Physics, 23.03.2020 11:38
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/himiya.png)
Chemistry, 23.03.2020 11:39
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 23.03.2020 11:42
![Konu](/tpl/images/cats/en.png)
English, 23.03.2020 11:42
![Konu](/tpl/images/cats/fizika.png)