A(n) ______ is an organic compound in which a carbonyl group is bonded to two different carbon atoms.
2 answers:
Answer : A Ketone is an organic compound in which a carbonyl group is bonded to two different carbon atoms.
Explanation :
A Ketone is an organic compound having a structure where R and R' can be different carbon containing substituents.
Ketone is a compound in which the a carbonyl group is bonded to the two different carbon atoms which are R and R' and there is a double bond present between the carbon and oxygen atom.
Some examples of ketones are, acetone, propanone, butanone, etc.
Hence, a Ketone is an organic compound in which a carbonyl group is bonded to two different carbon atoms.
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Answer:
Explanation:
Given parameters:
Mass of aluminium oxide = 3.87g
Mass of water = 5.67g
Unknown:
Limiting reactant = ?
Solution:
The limiting reactant is the reactant in short supply in a chemical reaction. We need to first write the chemical equation and convert the masses given to the number of moles.
Using the number of moles, we can ascertain the limiting reactants;
Al₂O₃ + 3H₂O → 2Al(OH)₃
Number of moles;
Number of moles =
molar mass of Al₂O₃ = (2x27) + 3(16) = 102g/mole
number of moles = = 0.04mole
molar mass of H₂O = 2(1) + 16 = 18g/mole
number of moles = = 0.32mole
From the reaction equation;
1 mole of Al₂O₃ reacted with 3 moles of H₂O
0.04 mole of Al₂O₃ will react with 3 x 0.04 mole = 0.12 mole of H₂O
But we were given 0.32 mole of H₂O and this is in excess of amount required.
This shows that Al₂O₃ is the limiting reactant