# When 1414 J of heat energy is added to 38.7 g of ethanol, C2H6O, the temperature increases by 14.9 °C. Calculate the molar heat capacity of C2H6O?

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zhirou Share
Mar 9, 2018

$\text{2.45J/g°C}$.

#### Explanation:

To answer this question, we'll have to use this equation:

$q = m \times C \times \Delta T$

Where $q$ is heat, $m$ is mass in grams, $C$ is specific heat capacity, and $\Delta T$ is change in temperature.
We can rearrange this equation to have $C$, which is what we want, alone on one side:

$C = \frac{q}{m \times \Delta T}$

The question already gives us $q$, $m$, and $\Delta T$, so we can just plug in these values and solve! :)

C = "1414J"/("38.7g"xx"14.9°C")

$C = \text{2.45J/g°C}$

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