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Mole ratio :
2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O
2 moles C₂H₆ -------------------- 7 moles O₂
3.0 moles C₂H₆ ------------------ moles O₂ ??
moles O₂ = 3.0 x 7 / 2
moles O₂ = 21 / 2
moles O₂ = 10.5 moles of O₂
Hope this helps!
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Answer:
Kindly check the attached picture for the diagram of the chemical compound.
Explanation:
So, the following parameters were given from the question above;
=> A triplet at 0.9 ppm and a quartet at 1.4 ppm, a singlet at 1.35 ppm. Now, the unknown compound has a molecular formula of C7H16O.
For a triplet at 0.9ppm, there are nine (9) atoms of hydrogen, for the quartet at 1.4ppm there are six(6) atoms of hydrogen and for the singlet at 1.35 ppm, the number of hydrogen atoms is one(1). Hence, the total number of hydrogen atoms = 16.
Therefore, number of bondings = [(2 × number of carbon atoms) + 2 - number of hydrogen atoms present on the compound)/2 .
Thus number of bonds =[( 2× 7) + 2 - 16] ÷ 2 = 0.
Hence, there is no double bond or ring in the compound.
Independent variable is the one you change so…
C is the answer