How does a allergy develop? PLEASE HELP!
2 answers:
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Answer:
Explanation:
take gram & convert to mol (using the mm of the element) ,
85.6g C = 7.12 14.4g H
=14.2 then take the smallest number & divide 7.12/7.12 =1 14.2/7.12= 2. since the numbers are in whole numbers the answer is
.
Answer:
1,1-, (Z)-1,2-, and (E)-1,2-dibromoethene
Explanation:
Their structures are shown below.
The 1,2-dibromoethenes (2 and 3) are positional isomers
of 1,1-dibromoethene (1).
(Z)-1,2-dibromoethene (2) and (E)-1,2-dibromoethene (3) are stereoisomers (geometric isomers) of each other.
Answer:
l = 0, 1, and 2; it is in a d orbital.
Explanation:
1. Angular momentum quantum number
One square means l = 0.
Three squares mean l = 1.
Five squares mean l = 2.
If an atom contains electrons with l = 2, it must also have electrons with l = 0 and 1.
Thus, the electrons in the atom can be assigned the angular momentum quantum numbers l = 0, 1, and 2.
Those in a set of five squares all have l = 2.
2. Location of electron
The last electron is the lone electron in the fifth square. Since l = 2, the electron is in a d orbital.
