Three elements , A, Qand Zhave the molar masses indicated in the table below . Given a compound with a composition of 15.66 % A and 84.34% Z by mass, what is the empirical formula of this compound ? Remember to enter subscripts as normal numbers (ie H 2 O is entered as H20 ) and to enter elements in the same order they were given
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Chemistry, 21.06.2019 13:20
Why is an elements atomic mass not listed as a whole number on the periodic table
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Chemistry, 22.06.2019 13:30
In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.
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Chemistry, 22.06.2019 20:00
The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.
Answers: 3
Three elements , A, Qand Zhave the molar masses indicated in the table below . Given a compound with...
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