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Problem: Gases react explosively if the heat released when the reaction begins is sufficient to cause more reaction, which leads to a rapid expansion of the gases. Use bond energies to calculate ΔH° of the following reaction, and predict which occurs explosively:(b) H2(g) + I2(g) ⟶2HI(g)

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ΔH°rxn=Hbonds, reactants-Hbonds, products


Bonds present from balanced equation:


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Problem Details

Gases react explosively if the heat released when the reaction begins is sufficient to cause more reaction, which leads to a rapid expansion of the gases. Use bond energies to calculate ΔH° of the following reaction, and predict which occurs explosively:

(b) H2(g) + I2(g) ⟶2HI(g)

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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 Claridge & Ramachandran's class at PURDUE.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition. You can also practice Chemistry: The Molecular Nature of Matter and Change - Silberberg 8th Edition practice problems.