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Answer:
5 moles of iron formed
Explanation:
Given data:
Moles of iron formed = ?
Moles of iron oxide react = 2.50 mol
Solution:
Chemical equation:
Fe₂O₃ + 2Al → Al₂O₃ + 2Fe
Now we will compare the moles of iron with iron oxide.
Fe₂O₃ : Fe
1 ; 2
2.50 : 2×2.50 = 5 mol
Answer : The structural formulas for each of the possible isomers of n-hexene are shown below.
Explanation :
Isomer : It is defined as a molecule have the same molecular formula but the different chemical structure.
There are three structural isomers of n-hexene that is based on the location of the double-bonded carbon atoms with the other atoms.
In n-hexane, 'n' shows that the chain should be straight chain there is no branching.
The three structural isomers of n-hexene are:
(1) 1-hexene
(2) 2-hexene
(3) 3-hexene
Thus, the structural formulas for each of the possible isomers of n-hexene are shown below.
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Answer:
true
Explanation:
When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of the atom is therefore zero and the atom is said to be neutral