Answer:
709 (With sig figs)
Explanation:
Pressure(1) * volume(1) = Pressure(2) * volume(2)
771.75 mm Hg * unknown = 874.27 mm Hg * 626 mL
771.75 mm Hg * unknown = 547,293.02 mm Hg*mL
Divide both sides by 771.75 mm Hg
Unknown = 709 (With sig figs)....709.158432 (without sig figs)
Answer:
the idea is that help with example and a few more years will help them get the idea that the world will have a good 5th 6AM and the rest is the way it good to girl the new world and you are a good person who can be the first of all to do that he will have a great time and I was happy to be able and happy to see his in plants that are very important to girl and his family and friends are you to girl the best way of doing it is a great deal for a person to have the best interests you are doing in your no time job as you can be in plants and you are a great person who is happy birthday to the family you can be happy to see in your family but take a little more to the job
The most abundant isotope among the given Isotopes will be Isotope B
<h3>How to calculate percentage abundance of isotopes ?</h3>
To calculate the percent abundance of each isotope in a sample of an element, we usually divide the number of atoms of a particular isotope by the total number of atoms of all isotopes of that element and then multiply the result by 100.
% Abundance = 15/50 x 100
= 30 %
% Abundance = 30/50 x 100
= 60 %
% Abundance = 5/50 x 100
= 10 %
Hence, The most abundant isotope among the given Isotopes will be Isotope B.
Learn more about isotopes here ;
brainly.com/question/12955625
#SPJ1
P ffffggghh hhgfvycfi y day ugh. Yy v the yvtc tic
A platinum wire is dipped into a strontium nitrate solution. Then inserted into a burner flame, then the strontium atoms emit a characteristic red color. this is an example of how an element can be identified by its unique atomic emission spectrum.
<h3>What is atomic emission spectrum?</h3>
The goal of an atom's electron arrangement is to keep the energy of the atom as low as feasible. An atom's ground state has the lowest energy level of all the atoms. When the energy is applied to those atoms, the electrons take it in and go to a higher energy level. The electrons in atoms have quantized energy levels, which again means that they must transition from one level to another in discrete increments rather than constantly. An atom is said to be in an excited state when its potential energy exceeds that of the ground state. An excited atom is not a stable atom.
To know more about atomic emission spectrum, visit:
brainly.com/question/13959991
#SPJ4
