explain why the molar enthalpy of formation for Carbon Graphite, is 0 kj/mol, while the molar...
explain why the molar enthalpy of formation for Carbon Graphite, is 0 kj/mol, while the molar standard enthalpy of formation for carbon diamond, is +1.90 kj/mol and that of carbon gas is +716.7 kj/mol.
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explain why the molar enthalpy of formation for Carbon Graphite, is 0 kj/mol, while the molar...
3. (14 pts.) The standard molar enthalpy of formation of Fe,Oxs is AH = -8242 kJ/mol,...
3. (14 pts.) The standard molar enthalpy of formation of Fe,Oxs is AH = -8242 kJ/mol, and the standard molar enthalpy of formation of SO2(g) is AH = -296.8 kJ/mol (both at 298 K). Use this information, along with the standard molar enthalpy change of the following reaction at 298K, 2 FeS21s) + 11/2O2(g) → Fe2O3 + 4 SO2(g) AH = -1655 kJ/mol To determine the standard molar enthalpy change of the reaction shown below are 298 K: Fe(s) +...
Given that ΔΙ, [Br(g)]-111.9 kJ-mol-1 dH,[dg)]-716.7 kJ-mol-1 ΔΗǐ[CBr,(e)]-29.4 kJ-mol-1 calculate the average molar bond enthalpy of...
Given that ΔΙ, [Br(g)]-111.9 kJ-mol-1 dH,[dg)]-716.7 kJ-mol-1 ΔΗǐ[CBr,(e)]-29.4 kJ-mol-1 calculate the average molar bond enthalpy of the carbon-bromine bond in a CBr4 molecule. Number : mol
Given that ΔΗ;[H(g)].. 218.0 kJ-mol-1 ari[ck)]-716.7 kJ.mol ' ΔΗ,[CH,(g)]=-74.6 kJ-mol-1 calculate the average molar bond enthalpy...
Given that ΔΗ;[H(g)].. 218.0 kJ-mol-1 ari[ck)]-716.7 kJ.mol ' ΔΗ,[CH,(g)]=-74.6 kJ-mol-1 calculate the average molar bond enthalpy of the carbon-hydrogen bond in a CH4 molecule. Number k.J mol
The standard molar enthalpy of formation of sucrose (C12H22O11) is -2222 kJ/mol. What is the enthalpy...
The standard molar enthalpy of formation of sucrose (C12H22O11) is -2222 kJ/mol. What is the enthalpy of combustion of a sugar cube of sucrose weighing 2 g? If 25% of this energy can be converted to work by the human body, to what height can a 100 kg man climb on the energy derived from such a sugar cube? Assume the man is on the surface of the Earth.
The standard enthalpy of formation of NaF(s) is -573.6 kJ/mol, and the standard enthalpy of formation of NaF(aq, 1m) is -572.8 kJ/mol. Determine the standard enthalpy of solution of NaF. -0.8 kJ/mol -572.0 kJ/mol +0.8 kJ/mol -1146.4 kJ/mol +1146.4 kJ
The standard enthalpy of formation of NaF(s) is -573.6 kJ/mol, and the standard enthalpy of formation of NaF(aq, 1m) is -572.8 kJ/mol. Determine the standard enthalpy of solution of NaF.-0.8 kJ/mol-572.0 kJ/mol+0.8 kJ/mol-1146.4 kJ/mol+1146.4 kJ/mol
What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K? Cdiamond?Cgraphite Exp...
What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K? Cdiamond?Cgraphite Express your answer to three significant figures and include the appropriate units. Gibbs free energy is a measure of the spontaneity of a chemical reaction. It is the chemical potential for a reaction, which is minimized at equilibrium. It is defined as G=H?TS Elemental carbon usually exists in one of two forms: graphite or diamond. It is generally believed that diamonds last...
Calculate the average molar bond enthalpy of the carbon-hydrogen bond in a CH4 molecule. -- Given...
Calculate the average molar bond enthalpy of the carbon-hydrogen bond in a CH4 molecule. -- Given that (Delta)Hf [H(g)]= 218.0 kj/mol (Delta)Hf [C(g)]= 716.7 kJ/mol (Delta)Hf [CH4(g)]= -74.6 kJ/mol
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the...
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the correct formation equation corresponding to this AHP? 2 C(s, graphite) + 2 H2O(1) CH,COOH(1) 2 C(s, graphite) + 2 H2(g) O2(0) CH,COOH(I) 2 C(s, graphite) + 2 H2O() CHCOOH(1) 2 C(s, graphite) + 2 H2(1) 10 (1) CHCOOH() Submit Resuest Answer Provide Feedback
1) The standard enthalpy and free energy of formation ofH,O(g) arc -241.8 kJ/mol and-228.8 kJ/mol, respectively....
1) The standard enthalpy and free energy of formation ofH,O(g) arc -241.8 kJ/mol and-228.8 kJ/mol, respectively. What will be the AG of the following reaction at 100 °CifASis NOT independent of tcmpcraturc? State any assumption(s) you may need for the calculation. 2 H.(g)+0(g)2HO (8) △6873ド) (You may need the following: at 25°C the molar hcat capacity of gascous water is 33.76 J K1 mol at constant pressure; for the diatomic gas H2 and O;, the molar C (5/2)R.)
c Given the following standard molar entropies of formation (S) and enthalpies of combustion to gaseous...
c Given the following standard molar entropies of formation (S) and enthalpies of combustion to gaseous carbon dioxide and liquid water at 25 °c (AHe AH/kJ mol 393.5 -285.9 -1559.7 C(graphite) H2(g) C2Ho(g) 5.9 131.0 229.5 Calculate the enthalpy change (AH) and Gibbs energy change (AG) for the reaction 2C(graphite) +3H28)CH) datseatt Is this reaction thermodynamically possible? Give a reason for your answer. (10 marks) Explain why it is possible for endothermic processes to occur spontaneously. 15 marks]
3. (14 pts.) The standard molar enthalpy of formation of Fe,Oxs is AH = -8242 kJ/mol, and the standard molar enthalpy of formation of SO2(g) is AH = -296.8 kJ/mol (both at 298 K). Use this information, along with the standard molar enthalpy change of the following reaction at 298K, 2 FeS21s) + 11/2O2(g) → Fe2O3 + 4 SO2(g) AH = -1655 kJ/mol To determine the standard molar enthalpy change of the reaction shown below are 298 K: Fe(s) +...
Given that ΔΙ, [Br(g)]-111.9 kJ-mol-1 dH,[dg)]-716.7 kJ-mol-1 ΔΗǐ[CBr,(e)]-29.4 kJ-mol-1 calculate the average molar bond enthalpy of the carbon-bromine bond in a CBr4 molecule. Number : mol
Given that ΔΗ;[H(g)].. 218.0 kJ-mol-1 ari[ck)]-716.7 kJ.mol ' ΔΗ,[CH,(g)]=-74.6 kJ-mol-1 calculate the average molar bond enthalpy of the carbon-hydrogen bond in a CH4 molecule. Number k.J mol
Part A The standard enthalpy of formation for ethanol (CH,COOH() is 484.3 kJ/mol What is the correct formation equation corresponding to this AHP? 2 C(s, graphite) + 2 H2O(1) CH,COOH(1) 2 C(s, graphite) + 2 H2(g) O2(0) CH,COOH(I) 2 C(s, graphite) + 2 H2O() CHCOOH(1) 2 C(s, graphite) + 2 H2(1) 10 (1) CHCOOH() Submit Resuest Answer Provide Feedback
1) The standard enthalpy and free energy of formation ofH,O(g) arc -241.8 kJ/mol and-228.8 kJ/mol, respectively. What will be the AG of the following reaction at 100 °CifASis NOT independent of tcmpcraturc? State any assumption(s) you may need for the calculation. 2 H.(g)+0(g)2HO (8) △6873ド) (You may need the following: at 25°C the molar hcat capacity of gascous water is 33.76 J K1 mol at constant pressure; for the diatomic gas H2 and O;, the molar C (5/2)R.)
c Given the following standard molar entropies of formation (S) and enthalpies of combustion to gaseous carbon dioxide and liquid water at 25 °c (AHe AH/kJ mol 393.5 -285.9 -1559.7 C(graphite) H2(g) C2Ho(g) 5.9 131.0 229.5 Calculate the enthalpy change (AH) and Gibbs energy change (AG) for the reaction 2C(graphite) +3H28)CH) datseatt Is this reaction thermodynamically possible? Give a reason for your answer. (10 marks) Explain why it is possible for endothermic processes to occur spontaneously. 15 marks]
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