![subject](/tpl/images/cats/himiya.png)
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/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 14:00
The two naturally occurring isotopes of chlorine are 35cl (34.969 amu, 75.77%) and 37cl (36.966 amu, 24.23%). the two naturally occurring isotopes of bromine are 79br (78.918 rm amu, 50.69%) and 81br (80.916 amu, 49.31%). chlorine and bromine combine to form bromine monochloride, brcl. 1. how many peaks will be present in a mass spectrum for brcl? the four combinations of molecule possible given these four isotopes are: 81br37cl, 81br35cl, 79br37cl, and 79br35cl. 2. what are the masses of the four different brcl molecules? express the masses using six significant figures, in decreasing numeric order (highest to lowest), separated by commas.
Answers: 3
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 14:10
16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 15:50
Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
Answers: 1
![question](/tpl/images/cats/himiya.png)
Chemistry, 22.06.2019 16:00
Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.
Answers: 2
You know the right answer?
William and Caroline Herschel measured the relative brightness of stars visible from Earth. These me...
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 20.07.2020 19:01
![question](/tpl/images/cats/mat.png)
Mathematics, 20.07.2020 19:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.07.2020 19:01
![question](/tpl/images/cats/mat.png)
Mathematics, 20.07.2020 19:01
![question](/tpl/images/cats/istoriya.png)
History, 20.07.2020 19:01
![question](/tpl/images/cats/mat.png)
Mathematics, 20.07.2020 19:01
![question](/tpl/images/cats/biologiya.png)
Biology, 20.07.2020 19:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.07.2020 19:01
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 20.07.2020 19:01
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 20.07.2020 19:01