# Problem: The value of ΔH° for the following reaction is -3351 kJ: 2Al (s) + 3O2 (g) → 2Al2O3 (s) The value of ΔHf° for Al2O3 (s) is __________ kJ.   a) -3351 b) -1676 c) +3351 d) -16.43 e) -32.86

###### FREE Expert Solution
99% (377 ratings)
###### Problem Details

The value of ΔH° for the following reaction is -3351 kJ:

2Al (s) + 3O2 (g) → 2Al2O3 (s)

The value of ΔHf° for Al2O3 (s) is __________ kJ.

a) -3351

b) -1676

c) +3351

d) -16.43

e) -32.86

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 Enthalpy of Formation concept. You can view video lessons to learn Enthalpy of Formation. Or if you need more Enthalpy of Formation practice, you can also practice Enthalpy of Formation practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofThe value of ΔH° for the following reaction is -3351 kJ: 2A...as low difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Jules took 1 minute and 24 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 Cruz's class at USF.