What is one bad thing that can happen when humans build more and more streets and buildings?
1 answer:
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Answer: Its average atomic mass is 114.9 amu
Explanation:
Mass of isotope 1 = 113 amu
% abundance of isotope 1 = 5% =
Mass of isotope 2 = 115 amu
% abundance of isotope 2 = 95% =
Formula used for average atomic mass of an element :
Thus its average atomic mass is 114.9 amu
Answer:
A.
Explanation:
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In this case, for us to figure out the appropriate equilibrium expression, it will be firstly necessary for us to recall the law of conservation of mass which states that the equilibrium constant of an equilibrium chemical reaction is written by dividing the products and reactants and including the stoichiometric coefficients as exponents. In such a way, for the given reaction, we will have:
As N2O is the product whereas N2 and O2 are reactants; thus, the equilibrium expression will be A.
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Explanation:
It is given that,
Initial orbit of electrons,
Final orbit of electrons,
We need to find energy, wavelength and frequency of the wave.
When atom make transition from one orbit to another, the energy of wave is given by :
Putting all the values we get :
We know that :
So,
Energy of wave in terms of frequency is given by :
Also,
is wavelength
So,
Hence, this is the required solution.