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

Problem: Acetylene gas (ethyne; HC≡CH) burns in an oxyacetylene torch to produce carbon dioxide and water vapor. The enthalpy of reaction for the combustion of acetylene is –1259 kJ/mol.(a) Calculate the C≡C bond energy, and compare your value with the following table.

FREE Expert Solution

H°rxn=Hbond reactants-Hbond products


HC≡CH + 5/2 O2 → 2 CO2 + H2O

H°rxn=Hbond reactants-Hbond productsH°rxn=[2 (C-H)+1 (CC)+52(O=O)]-[4 (C=O)+2 (H-O)]

84% (475 ratings)
View Complete Written Solution
Problem Details

Acetylene gas (ethyne; HC≡CH) burns in an oxyacetylene torch to produce carbon dioxide and water vapor. The enthalpy of reaction for the combustion of acetylene is 1259 kJ/mol.

(a) Calculate the C≡C bond energy, and compare your value with the following table.

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 Stacey's class at University of Manitoba.

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.