Problem: Consider the following generic reaction:A+2B→C+3D, with ΔH = 103 kJ .Determine the value of ΔH for each of the following related reactions.a. 3A + 6B → 3C + 9Db. C + 3D → A + 2Bc. 1/2C + 3/2D → 1/2A + B

🤓 Based on our data, we think this question is relevant for Professor Guerra's class at RUTGERS.

FREE Expert Solution

Use Hess Law to determine the value of ΔH for each reaction:

  • sum of Δfor individual steps Δof overall reaction


a. 3A + 6B → 3C + 9D 

  • coefficients are 3x bigger than given reaction
  • ΔH x 3 = 103 kJ x 3
View Complete Written Solution
Problem Details

Consider the following generic reaction:

A+2B→C+3D, with ΔH = 103 kJ .

Determine the value of ΔH for each of the following related reactions.

a. 3A + 6B → 3C + 9D

b. C + 3D → A + 2B

c. 1/2C + 3/2D → 1/2A + B

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 Hess's Law concept. You can view video lessons to learn Hess's Law. Or if you need more Hess's Law practice, you can also practice Hess's Law practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Guerra's class at RUTGERS.