Saturday
October 25, 2014

Homework Help: Chemistry

Posted by Sindy on Friday, October 9, 2009 at 12:29pm.

The combustion of benzoic acid releases 26.38kJ/g and is often used to calibrate a bomb calorimete. The combustion of 1.045g of benzoic acid caused the temperature of the calorimeter to rise by 5.985 degreeC.Using the same calorimeter, a sample of 0.876g of C8H18 was burned. the temp increased by 8.518 degreeC. what is the molar enthalpy of octane?

I dont know how to go about doing this question. What formula should I used I listed all the given:

Benzoic acid
deltaH= 26.318kJ/g
m= 1.045g
delta T= 5.985= 278.98K

C8H18
m= 0.876
mm= 114.224
delta T= 8.15= 281.52K
delta H= ?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Chemistry - The combustion of benzoic acid releases 26.38kJ/g and is often used ...
chemistry - The enthalpy of combustion of benzoic acid,C6H5COOH, which is often ...
college chemistry - The enthalpy of combustion of benzoic acid,C6H5COOH, which ...
chemistry - The enthalpy of combustion of benzoic acid (C6H5COOH) which is often...
chemistry - The enthalpy of combustion of benzoic acid (C6H5COOH) which is often...
chemistry - The combustion of 0.1619 g benzoic acid increases the temperature of...
Chemistry - The combustion of 0.1583 g benzoic acid increases the temperature ...
Chemistry - A 1.20g sample of benzoic acid is burned in excess of )2 in a bomb ...
Chemistry - The enthalpy of combustion of benzoic acid(C6H5COOH) which is often ...
Chemistrey - Problem: What is the heat capacity of the newly assembled oxygen ...

Search
Members