Problem: Calculate the amount of heat (kJ) released in the complete combustion of 8.17 g of Al to form aluminum oxide at 25°C and under a pressure of 1 atm. The ∆H for aluminum oxide = -1676 kJ/mol.4 Al   +   3 O2   →   2 Al2O3

FREE Expert Solution
Problem Details

Calculate the amount of heat (kJ) released in the complete combustion of 8.17 g of Al to form aluminum oxide at 25°C and under a pressure of 1 atm. The ∆H for aluminum oxide = -1676 kJ/mol.

4 Al   +   3 O2   →   2 Al2O3

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Thermochemical Equation concept. You can view video lessons to learn Thermochemical Equation. Or if you need more Thermochemical Equation practice, you can also practice Thermochemical Equation practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofCalculate the amount of heat (kJ) released in the complete c...as high difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Dasha took 3 minutes and 59 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Harris' class at UF.