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What is the amount of energy required to break the single C-H bond in the methane (CH4) molecule? Provide the answer in units of kilojoules per mole (kJ/mol).
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asked
2 days
ago
in
Chemical reactions
by
TheScientist
(
139k
points)
What is the amount of energy required to break the single C-H bond in the methane (CH4) molecule? Provide the answer in units of kilojoules per mole (kJ/mol).
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1
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answered
2 days
ago
by
LurleneJackm
(
170
points)
The energy required to break a single C-H bond in a methane CH4 molecule is known as the bond dissociation energy. The bond dissociation energy for a C-H bond in methane is approximately 439 kJ/mol.
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Calculate the energy required to break all the bonds in 1 mole of methane gas (CH4) at standard conditions, given that the bond energies of C-H and C-C bonds are 413 kJ/mol and 348 kJ/mol, respectively. Then, calculate the total energy released or absorbed during the combustion of 1 mole of methane gas with oxygen gas to form carbon dioxide gas and water vapor.
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Determine the bond energy required to break all the bonds in a molecule of methane (CH4) and calculate the total energy required to break all the bonds in 4.0 moles of methane. (Assume the bond energy values are: C-H bond energy = 413 kJ/mol and C-C bond energy = 347 kJ/mol)
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What is the bond enthalpy of a carbon-hydrogen (C-H) bond in methane (CH4), given that the energy required to break a mole of C-H bonds in methane is 413 kJ/mol?
asked
5 days
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in
Chemical bonding
by
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(
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Calculate the bond dissociation energy (in kJ/mol) of the C-H bond in methane (CH4) using the following data: - The enthalpy change for the combustion of one mole of methane gas is -890.3 kJ/mol.- The energy required to break one mole of H-H bonds is 433.4 kJ/mol.- The energy required to break one mole of C=O bonds is 799.5 kJ/mol.- The energy required to break one mole of O-H bonds is 463.0 kJ/mol.
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