Answer ; The question is missing in some details, but here are he details ;
The two naturally occurring isotopes of bromine are
81Br (80.916 amu, 49.31%) and
79Br (78.918 amu, 50.69%).
The two naturally occurring isotopes of chlorine are
37Cl (36.966 amu, 24.23%) and
35Cl (34.969 amu, 75.77%).
Bromine and chlorine combine to form bromine monochloride, BrCl.
Explanation:
The detaile calculation is as shown in the attachment.
Answer: In Galileo’s time, what was considered the “center of everything”? The Earth! All of the planets and even the Sun went around “us”. Of course, when Galileo saw the moons of Jupiter passing in front of the planet, and disappearing to show up again, it was clear to him that these moons went around Jupiter like our moon goes ‘round the Earth.
That did not set well with the Beliefs of the day, and that is at least one answer!
Explanation:
Principal quantum number is n = 2, principal quantum number gives the energy shells electrons reside in,
angular momentum quantum number , these are the number of subshells and gives how many subshells are there in energy shells, values for l range from 0 to n-1
magnetic quantum number -m- gives the specific orbital in the subshells and their orientation.
spin quantum number gives the spin of the electrons.
in this case, n = 2
the types of subshells in n=2 are 0 and 1
0 - s subshell
1 - p subshell
the specific number of orbitals are given by -l to +l
when l = 1
then -1, 0 and +1
therefore there are 3 orbitals in p subshell and orbitals are in 3 orientations
each orbital can hold a maximum of 2 electrons,
since there are 3 orbitals each holding 6, there are 6 electrons to which these quantum numbers are the same
answer is 6
Answer:
The volume of the vessel is 250 L
Partial pressure of hydrogen = 189 torr
Explanation:
Using Boyle's law
![{P_1}\times {V_1}={P_2}\times {V_2}](https://tex.z-dn.net/?f=%7BP_1%7D%5Ctimes%20%7BV_1%7D%3D%7BP_2%7D%5Ctimes%20%7BV_2%7D)
Given ,
V₁ = 20.0 L
V₂ = ?
P₁ = 25 atm
P₂ = 2 atm
Using above equation as:
![{P_1}\times {V_1}={P_2}\times {V_2}](https://tex.z-dn.net/?f=%7BP_1%7D%5Ctimes%20%7BV_1%7D%3D%7BP_2%7D%5Ctimes%20%7BV_2%7D)
![{25}\times {20.0}={2}\times {V_2}](https://tex.z-dn.net/?f=%7B25%7D%5Ctimes%20%7B20.0%7D%3D%7B2%7D%5Ctimes%20%7BV_2%7D)
![{V_2}=\frac {{25}\times {20.0}}{2}\ L](https://tex.z-dn.net/?f=%7BV_2%7D%3D%5Cfrac%20%7B%7B25%7D%5Ctimes%20%7B20.0%7D%7D%7B2%7D%5C%20L)
![{V_2}=250\ L](https://tex.z-dn.net/?f=%7BV_2%7D%3D250%5C%20L)
<u>The volume of the vessel is 250 L.</u>
According to Dalton's law of partial pressure:-
![P_{H_2}=Mole\ fraction\times Total\ Pressure](https://tex.z-dn.net/?f=P_%7BH_2%7D%3DMole%5C%20fraction%5Ctimes%20Total%5C%20Pressure)
So, according to definition of mole fraction:
![Mole\ fraction\ of\ H_2=\frac {n_{H_2}}{n_{H_2}+n_{He}}](https://tex.z-dn.net/?f=Mole%5C%20fraction%5C%20of%5C%20H_2%3D%5Cfrac%20%7Bn_%7BH_2%7D%7D%7Bn_%7BH_2%7D%2Bn_%7BHe%7D%7D)
Also,
Mole fraction of H₂ = 1 - Mole fraction of He = 1 - 0.75 = 0.25
So,
Total pressure = 756 torr
Thus,
![P_{H_2}=0.25\times 756\ torr](https://tex.z-dn.net/?f=P_%7BH_2%7D%3D0.25%5Ctimes%20756%5C%20torr)
<u>Partial pressure of hydrogen = 189 torr.</u>
Answer:
The electrons in H2O are not shared equally, making it a polar molecule. The molecules in flourine, F2, are shared equally, making it not a polar molecule.
Explanation: