# When 2211 J of heat energy is added to 47.7 g of ethanol, #C_2H_6O#, the temperature increases by 18.9°C. What is the molar heat capacity of #C_2H_6O#?

##### 1 Answer

Mar 14, 2016

#### Answer:

The molar heat capacity of ethanol is

#### Explanation:

A typical calorimetry formula for calculating the molar heat capacity of a substance is

#color(blue)(|bar(ul( q = ncΔT)|)#

where

#q# = amount of heat transferred#n# = number of moles#c# = molar heat capacity#ΔT# = change in temperature

We can rearrange this formula to

In your problem,

Hence,

The molar heat capacity of ethanol is