What is the heat of combustion of ethane, C2H6, in kilojoules per mole of ethane? I...
What is the heat of combustion of ethane, C2H6, in kilojoules per mole of ethane?
I know the answer is -1560. I need to know WHY and HOW to get to this answer.
Homework Answers
Write the balanced equation for the combustion of ethane.
Calculate the value of heat of combustion by using the standard values of enthalpies of formation of reactants and products.
A balanced equation is an equation which contains all the reactants and products in a fixed ratio. A balanced equation has the following characteristics:
1. It should follow the law of conservation of mass.
2. The total number of different types of elements on reactant side should be equal to the product side.
3. Stoichiometric coefficients are put in front of the molecules on both the reactant and product side to balance a given reaction. The coefficients to be used are whole number or fractional number.
Combustion is a chemical process in which the substance is burned in the presence of oxygen. The products formed are called combustion products.
The amount of heat released on combustion of a substance is called the heat of combustion of that substance. It is denoted by 
. The unit of heat of combustion is 
.
The combustion reaction of ethane is written as follows:
Add a coefficient of (7/2) for
, a coefficient of 2 for 
and a coefficient of 3 for
to get the balanced equation.
The balanced reaction is written as follows:
The balanced reaction for the combustion of ethane is written as follows:
The enthalpy of the above reaction is the heat of combustion of ethane.
The standard enthalpy of formation are as follows:
The enthalpy of the above reaction is calculated as follows:
The heat of combustion of ethane, 
, per mole of ethane is 
.
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What is the heat of combustion of ethane, C2H6, in kilojoules per mole of ethane? I...
What is the heat of combustion of ethane, C2H6, in kilojoules per mole of ethane? Enthalpies of formation can be found i...
What is the heat of combustion of ethane, C2H6, in kilojoules per mole of ethane? Enthalpies of formation can be found in the table of thermodynamic properties.
What is the heat of combustion of ethane, CH, in kilojoules per mole of ethane? Enthalpy...
What is the heat of combustion of ethane, CH, in kilojoules per mole of ethane? Enthalpy of formation values can be found in this list of thermodynamic properties. AH = kJ/mol ethane
What is the heat of combustion of ethane, C,H, in kilojoules per mole of ethane? Enthalpies...
What is the heat of combustion of ethane, C,H, in kilojoules per mole of ethane? Enthalpies of formation can be found in the table of thermodynamic properties. AH kJ/mol ethane TOOLS X10
on 25 of 25 > What is the heat of combustion of ethane, C,H, in kilojoules...
on 25 of 25 > What is the heat of combustion of ethane, C,H, in kilojoules per mole of ethane? Enthalpies of formation can be found in the table of thermodynamic properties. AH = kJ/mol ethane
< Question 20 of 20 > What is the heat of combustion of ethane, C, H,...
< Question 20 of 20 > What is the heat of combustion of ethane, C, H, in kilojoules per mole of ethane? Enthalpy of formation values can be found in this list of thermodynamic properties. AH = kJ/mol ethane
Balance the equation for the complete combustion of ethane: C2H6 (g) + O2 (g) ⟶⟶CO2 (g)...
Balance the equation for the complete combustion of ethane:
C2H6 (g) + O2 (g) ⟶⟶CO2
(g) + H2O (g). Calculate
ΔΔHofor the reaction per mole of
ethane using the given bond dissociation energies.
→CO2(g) + H2O (g). Calculate AH° for Balance the equation for the complete combustion of ethane: C2H6 (g) + O2(g) the reaction per mole of ethane using the given bond dissociation energies. Bond AH” (kJ/mol) C-C 347 H-O 467 C-H 413 O=0 498 C=0 799 CO 358
The standard enthalpy of combustion of ethane gas, C2H6 is −1560 kJ·mol−1. Given that ∆Hf° CO2,...
The standard enthalpy of combustion of ethane gas, C2H6 is −1560 kJ·mol−1. Given that ∆Hf° CO2, (g) = −394 kJ·mol−1, and ∆Hf° H2O, (l) = −286 kJ·mol−1. Calculate ∆Hf° C2H6 (g).
1. For the complete combustion of 1.000 mole of ethane gas at 298 Kand alm pressure,...
1. For the complete combustion of 1.000 mole of ethane gas at 298 Kand alm pressure, T-1560 kJ/mol. What will be the heat released when 4.42 g of ethane is combusted under these conditions A) 230 kJ B) -10588 kJ C) -230 kJ D) 10588 kJ E) none of these
You are studying the combustion of ethane by the following unbalanced chemical reaction: a C2H6(g) +...
You are studying the combustion of ethane by the following unbalanced chemical reaction: a C2H6(g) + b O2(g) --> C CO2(g) + d H2O(g) How many kilojoules of Gibb's Free Energy are liberated by burning 19.419g of ethane in excess oxygen? Substance AG°f(kJ/mol C2H6(g) -32.04 O2(g) 0 CO2(g) -394.36 H2O(g) -228.59
The combustion of ethane (C2H6) produces Carbon dioxide and steam. The combustion of ethane (C,H) produces...
The combustion of ethane (C2H6) produces Carbon dioxide and
steam.
The combustion of ethane (C,H) produces carbon dioxide and steam. 2C,H (g)+70,(g)4 CO2(g)+ 6H,O(g) How many moles of CO, are produced when 5.95 mol of ethane is burned in an excess of oxygen? moles of CO,: mol
What is the heat of combustion of ethane, CH, in kilojoules per mole of ethane? Enthalpy of formation values can be found in this list of thermodynamic properties. AH = kJ/mol ethane
What is the heat of combustion of ethane, C,H, in kilojoules per mole of ethane? Enthalpies of formation can be found in the table of thermodynamic properties. AH kJ/mol ethane TOOLS X10
on 25 of 25 > What is the heat of combustion of ethane, C,H, in kilojoules per mole of ethane? Enthalpies of formation can be found in the table of thermodynamic properties. AH = kJ/mol ethane
< Question 20 of 20 > What is the heat of combustion of ethane, C, H, in kilojoules per mole of ethane? Enthalpy of formation values can be found in this list of thermodynamic properties. AH = kJ/mol ethane
Balance the equation for the complete combustion of ethane:
C2H6 (g) + O2 (g) ⟶⟶CO2
(g) + H2O (g). Calculate
ΔΔHofor the reaction per mole of
ethane using the given bond dissociation energies.
→CO2(g) + H2O (g). Calculate AH° for Balance the equation for the complete combustion of ethane: C2H6 (g) + O2(g) the reaction per mole of ethane using the given bond dissociation energies. Bond AH” (kJ/mol) C-C 347 H-O 467 C-H 413 O=0 498 C=0 799 CO 358
1. For the complete combustion of 1.000 mole of ethane gas at 298 Kand alm pressure, T-1560 kJ/mol. What will be the heat released when 4.42 g of ethane is combusted under these conditions A) 230 kJ B) -10588 kJ C) -230 kJ D) 10588 kJ E) none of these
You are studying the combustion of ethane by the following unbalanced chemical reaction: a C2H6(g) + b O2(g) --> C CO2(g) + d H2O(g) How many kilojoules of Gibb's Free Energy are liberated by burning 19.419g of ethane in excess oxygen? Substance AG°f(kJ/mol C2H6(g) -32.04 O2(g) 0 CO2(g) -394.36 H2O(g) -228.59
The combustion of ethane (C2H6) produces Carbon dioxide and
steam.
The combustion of ethane (C,H) produces carbon dioxide and steam. 2C,H (g)+70,(g)4 CO2(g)+ 6H,O(g) How many moles of CO, are produced when 5.95 mol of ethane is burned in an excess of oxygen? moles of CO,: mol
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