Learn how to solve problems like this one with our expert tutor.

Problem: Consider the following reaction:A2 + B2 → 2AB   ΔE = -285 kJThe bond energy for A2 is one-half the amount of the AB bond energy. The bond energy of B  2 = 432 kJ/mol. What is the bond energy of A2?

🤓 Based on our data, we think this question is relevant for Professor Kumar's class at Adelphi University.

FREE Expert Solution

ΔE or ΔH can be calculated as:

H = bond energyreactants - bond energyproducts H = (BE A2+BE B2) -2(BE AB)

If A2 is half the amount of AB, we can set up the equation as:

View Complete Written Solution
Problem Details

Consider the following reaction:

A2 + B→ 2AB   ΔE = -285 kJ

The bond energy for A2 is one-half the amount of the AB bond energy. The bond energy of B  2 = 432 kJ/mol. What is the bond energy of A2?

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 Bond Energy concept. If you need more Bond Energy practice, you can also practice Bond Energy practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Kumar's class at Adelphi University.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry: An Atoms First Approach - Zumdahl 2nd Edition. You can also practice Chemistry: An Atoms First Approach - Zumdahl 2nd Edition practice problems.