Chemistry, 02.11.2020 06:10 IntellTanito
An unknown element is found with the following isotopic percent abundance: X-20 is found at an abundance of 90.50%, X-21 is found at an abundance of .27%, and X-22 is found at an abundance of 9.23%. Given this information find the average atomic mass of the element. (show your work for full credit.)
Answers: 2
Chemistry, 22.06.2019 02:30
When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water
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Chemistry, 22.06.2019 07:10
Which of these conditions most likely produces an unstable isotope?
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Chemistry, 22.06.2019 18:30
Which sample at stp has the same number of atoms as 18 liters of ne at stp
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Chemistry, 22.06.2019 23:50
Be sure to answer all parts. the following equilibrium constants were determined at 1123 k: c(s) + co2(g) â 2co(g) k'p = 1.30 Ă 1014 co(g) + cl2(g) â cocl2(g) k''p = 6.00 Ă 10â3 calculate the equilibrium constant at 1123 k for the reaction: c(s) + co2(g) + 2cl2(g) â 2cocl2(g) 4.68 Ă 10 9 (enter your answer in scientific notation.) write the equilibrium constant expression, kp:
Answers: 3
An unknown element is found with the following isotopic percent abundance: X-20 is found at an abund...
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