Chemistry, 29.09.2020 08:01 ssuereichard
An element has two naturally occurring isotopes with atomic masses of 112.90 amu and 114.90 amu. The relative abundances of these elements are 4.29% and 95.71%, respectively. What is the average atomic mass of the element?
Answers: 3
Chemistry, 22.06.2019 07:00
Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant
Answers: 3
Chemistry, 23.06.2019 05:00
Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
Answers: 1
Chemistry, 23.06.2019 05:40
Why is it incorrect to balance a chemical equation by changing the subscripts? explain.
Answers: 2
Chemistry, 23.06.2019 09:30
What lessons does the history and study of the periodic table offer to other fields of science, and the pursuit science more generally
Answers: 3
An element has two naturally occurring isotopes with atomic masses of 112.90 amu and 114.90 amu. The...
Mathematics, 09.12.2020 21:50
Mathematics, 09.12.2020 21:50
History, 09.12.2020 21:50
Mathematics, 09.12.2020 21:50
Mathematics, 09.12.2020 21:50
Spanish, 09.12.2020 21:50
History, 09.12.2020 21:50
Mathematics, 09.12.2020 21:50
English, 09.12.2020 21:50
Mathematics, 09.12.2020 21:50