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Preparation of Alcohols from Carbonyl Compounds

The molar hea...

Question

The molar heat capacity of ethanol is 110.4 J/K. What is its specific heat capacity?

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Solution

$Q = C M Δ T$
$C =$ specific heat
$C = \frac{Q}{M Δ T}$

$C = \frac{heatcapacity (molar)}{molecular weight}$

molecular weight $= 46$
$C = \frac{110.4}{46}$
$= 2.4 J / k . g r a m / m a l$
$= 2.4 J . m o l e / g r a m . k$

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Preparation of Alcohols from Carbonyl Compounds

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