How many moles of O2 are needed to produce 50.0 moles of CO2?
1 answer:
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The major product of reaction between 1-butanol and Na2Cr2O7 is butanoic acid.
When a primary alcohol like 1-butanol (OH is bonded to a primary carbon) is begin to oxidize in the presence of strong oxidizing reagent such as sodium dichromate (Na2Cr2O7) and H2SO4, sulfuric acid, the stepwise oxidation take place as above firstly to the corresponding aldehyde which undergoes further oxidation to the corresponding carboxylic acid.
You can find that the formed aldehyde after first oxidation is butanal and the only organic product, due to the strong oxidizing reagent is butanoic acid.
Thus, the major product formed is butanoic acid.
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Answer:
The watch is 40.9 years old.
Explanation:
To know how many years old is the watch we need to use the following equation:
(1)
Where:
: is the brightness in a time t = (1/10)I₀
: is the initial brightness
λ: is the decay constant of tritium
The decay constant is given by:
(2)
Where:
: is the half-life of tritium = 12.3 years
By entering equation (2) into (1) we have:
By solving the above equation for "t" we have:
Therefore, the watch is 40.9 years old.
I hope it helps you!