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

Problem: Use the molar bond enthalpy data in the table to estimate the value of change in Hrxn for the equation: CCl4 (g) + 2 F2 (g) yields CF4 (g) + 2 Cl2 (g). Average Molar bond enthalpies: (C-Cl) = 331 kJ/mol; (F-F) = 155 kJ/mol; (C-F) = 439 kJ/mol; (Cl-Cl) = 243 kJ/mol. 

FREE Expert Solution
91% (468 ratings)
FREE Expert Solution

To find the enthalpy of formation in terms of bond energies, use the equation:

$\Delta H_{rxn} = Bond \; energy\; of\; reactants - Bond \; energy \; of \; products $

![enter image description here][1]

[1]: //cdn.clutchprep.com/solution_images/1A9SOdThS9W38Hp5EJcL_512.png

The first reactant has 4 C-Cl bonds. Each C-Cl bond has a bond enthalpy of $331 kJ/mol.$

91% (468 ratings)
View Complete Written Solution
Problem Details

Use the molar bond enthalpy data in the table to estimate the value of change in Hrxn for the equation: CCl(g) + 2 F(g) yields CF(g) + 2 Cl(g). Average Molar bond enthalpies: (C-Cl) = 331 kJ/mol; (F-F) = 155 kJ/mol; (C-F) = 439 kJ/mol; (Cl-Cl) = 243 kJ/mol. 

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 is the difficulty of this problem?

Our tutors rated the difficulty ofUse the molar bond enthalpy data in the table to estimate th...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Jules took 5 minutes 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 Keene's class at MERCER.