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![- Answes ₂ (g) + 3 F2 (g) 153 lg) Ke= [CIF3] [cz] / [[] % We know that so q) RT luke. Given that she - 123.0 kJ med at 25°c (](http://img.homeworklib.com/questions/2cc37240-6f5e-11ea-b68c-3d8c76b0620a.png?x-oss-process=image/resize,w_560)
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4. Use the following formation rxn to answer the questions. 1/2 C12(g) + 3/2 F2(g) →...
Typical Math Problems 1) What is the pH of a buffer solution which is 0.12M in...
Typical Math Problems 1) What is the pH of a buffer solution which is 0.12M in benzoic acid, pKa 4.19, and is 0.11M in sodium benzoate? 2) Find the %-diss of a buffer if the pKa 7.10 and the pH of the buffer is 7.50. 3) A weak monoprotic acid has a pKa 6.15. 50.00 mL of an 0.1250M aqueous solution of this weak acid is titrated with 0.1000M Na0H. a) What is the equivalence point volume and ½ equivalence...
Absolute Entropy Sº, in moll K1 3. Use the following table and rxn to answer the questions. Standard Heat of Substan...
Absolute Entropy Sº, in moll K1 3. Use the following table and rxn to answer the questions. Standard Heat of Substance Formation, AH, in kJ moli C(s) 0.00 CO2(g) -393.5 H2(g) H2O(1) -285.85 O2(g) 0.00 C3H2COOH(1) 0.00 5.69 213.6 130.6 69.96 205.0 226.3 The enthalpy change for the combustion of butyric acid at 25°C, AH"comb, is-2,183.5 kilojoules per mole. C3H7COOH(1) + 5O2(g) = 4CO2(g) + 4H20(1) a) From the data above, calculate the standard heat of formation, AH,, for butyric...
2. Use the following rxn to answer the questions. CO(g) + 2 H2(9) = CH3OH(1) For...
2. Use the following rxn to answer the questions. CO(g) + 2 H2(9) = CH3OH(1) For this reaction, AH = -128.1 kilojoules Sº (J/mol.K) AH (kJ/mol) -110.5 AG, (kJ/mol) -137.3 197.9 CO(g) CH,OH(1) -238.6 - 166.2 126.8 The data in the table above were determined at 25°C. a) Calculate AGº for the reaction above at 25°C. b) Calculate Key for the reaction above at 25°C. c) Calculate AS for the reaction above at 25°C. d) In the table above, there...
4. [201 At 500 K, we have the data of standard enthalpy of formation and standard...
4. [201 At 500 K, we have the data of standard enthalpy of formation and standard entropy of formation as follows: AH° (kJ/mol) AfSe (J/K mol) Substance HI (g 32.41 221.63 Н2 (g) 5.88 145.64 I2 (g) 69.75 279.94 One mole of H2 and one mole of I2 are placed in a vessel at 500 K. At this temperature only gases are present and the equilibrium of the following reaction is established. Н2 (9) + I, (9) 2HI (g) (1)...
Part A) What is ΔH∘rxn for the following chemical reaction? CO2(g)+2KOH(s)→H2O(g)+K2CO3(s) You can use the following...
Part A) What is ΔH∘rxn for the following chemical reaction? CO2(g)+2KOH(s)→H2O(g)+K2CO3(s) You can use the following table of standard heats of formation (ΔH∘f) to calculate the enthalpy of the given reaction. Element/ Compound Standard Heat of Formation (kJ/mol) Element/ Compound Standard Heat of Formation (kJ/mol) H(g) 218 N(g) 473 H2(g) 0 O2(g) 0 KOH(s) −424.7 O(g) 249 CO2(g) −393.5 K2CO3(s) −1150kJ C(g) 71 H2O(g) −241.8kJ C(s) 0 HNO3(aq) −206.6 Express the standard enthalpy of reaction to three significant figures and...
N2(8) + 3F2(g) → 2 NF3() AH 298 = - 264 kJ mol-'; AS98 = -...
N2(8) + 3F2(g) → 2 NF3() AH 298 = - 264 kJ mol-'; AS98 = - 278 J K-'mol-' The following questions relate to the synthesis reaction represented by the chemical equation in the box above. a. Calculate the value of the standard free energy change, AG 298. for the reaction. b. Determine the temperature at which the equilibrium constant, Keg, for the reaction is equal to 1.00. (Assume that Hº and AS are independent of temperature.) c. Calculate the...
P,010(s) + 6PC13(g) → 10POCI;(8) 1. The synthesis of phosphoryl chloride (POCI,) is represented in the...
P,010(s) + 6PC13(g) → 10POCI;(8) 1. The synthesis of phosphoryl chloride (POCI,) is represented in the reaction above. a. Determine the value of the standard enthalpy change AHⓇxn for the synthesis of POCI(g) at 298K using the following information. (5 points) i. P,(s) +6C12(g) → 4PC12(g) AH° = -1225.6 kJ ii. P.(s) + 502(g) →P,0,.() AH = -2967.3 kJ iii. PCI,(g) + Cl, (g) → PC1,(g) AH = -84.2 kJ iv. PCI,(g) + 1/2 0,(g) → POCI,(g) AH° = -285.7...
For the reaction 2 BrF3(g) - Br2(g) + 3 F2(g) AG° = 470.3 kJ and AH°...
For the reaction 2 BrF3(g) - Br2(g) + 3 F2(g) AG° = 470.3 kJ and AH° = 542.1 kJ at 267 K and 1 atm. This reaction is (reactant, product) favored under standard conditions at 267 K. The entropy change for the reaction of 2.38 moles of BrF3(g) at this temperature would be J/K.
Consider the reaction: at N2(g) + 3 F2 (g) --> 2 NH3(g) AH° = -249 kJ...
Consider the reaction: at N2(g) + 3 F2 (g) --> 2 NH3(g) AH° = -249 kJ AS° = -278 25 C K Calculate AGº and state whether the equilibrium composition contains mostly products or reactants at standard conditions. AG --332 kJ The equilibrium composition contains mostly reactants. AG = :-166 kJ The equilibrium composition contains mostly products. AG -6.7 kJ The equilibrium composition contains mostly products. O AGⓇ = +29.0 kJ The equilibrium composition contains mostly products. = AG +82.6...
Consider the reaction: AS° -278 J K N2 (g) + 3 F2 (g) --> 2 NH3(g)...
Consider the reaction: AS° -278 J K N2 (g) + 3 F2 (g) --> 2 NH3(g) AH = –249 kJ at 25 C Calculate AGº and state whether the equilibrium composition contains mostly products or reactants at standard conditions. O AG° = –166 kJ The equilibrium composition contains mostly products. 0 AG = -6.7 kJ The equilibrium composition contains mostly products. O AG° = +82.6 kJ The equilibrium composition contains mostly reactants. O AGⓇ = -332 kJ The equilibrium composition...
Typical Math Problems 1) What is the pH of a buffer solution which is 0.12M in benzoic acid, pKa 4.19, and is 0.11M in sodium benzoate? 2) Find the %-diss of a buffer if the pKa 7.10 and the pH of the buffer is 7.50. 3) A weak monoprotic acid has a pKa 6.15. 50.00 mL of an 0.1250M aqueous solution of this weak acid is titrated with 0.1000M Na0H. a) What is the equivalence point volume and ½ equivalence...
Absolute Entropy Sº, in moll K1 3. Use the following table and rxn to answer the questions. Standard Heat of Substance Formation, AH, in kJ moli C(s) 0.00 CO2(g) -393.5 H2(g) H2O(1) -285.85 O2(g) 0.00 C3H2COOH(1) 0.00 5.69 213.6 130.6 69.96 205.0 226.3 The enthalpy change for the combustion of butyric acid at 25°C, AH"comb, is-2,183.5 kilojoules per mole. C3H7COOH(1) + 5O2(g) = 4CO2(g) + 4H20(1) a) From the data above, calculate the standard heat of formation, AH,, for butyric...
2. Use the following rxn to answer the questions. CO(g) + 2 H2(9) = CH3OH(1) For this reaction, AH = -128.1 kilojoules Sº (J/mol.K) AH (kJ/mol) -110.5 AG, (kJ/mol) -137.3 197.9 CO(g) CH,OH(1) -238.6 - 166.2 126.8 The data in the table above were determined at 25°C. a) Calculate AGº for the reaction above at 25°C. b) Calculate Key for the reaction above at 25°C. c) Calculate AS for the reaction above at 25°C. d) In the table above, there...
4. [201 At 500 K, we have the data of standard enthalpy of formation and standard entropy of formation as follows: AH° (kJ/mol) AfSe (J/K mol) Substance HI (g 32.41 221.63 Н2 (g) 5.88 145.64 I2 (g) 69.75 279.94 One mole of H2 and one mole of I2 are placed in a vessel at 500 K. At this temperature only gases are present and the equilibrium of the following reaction is established. Н2 (9) + I, (9) 2HI (g) (1)...
N2(8) + 3F2(g) → 2 NF3() AH 298 = - 264 kJ mol-'; AS98 = - 278 J K-'mol-' The following questions relate to the synthesis reaction represented by the chemical equation in the box above. a. Calculate the value of the standard free energy change, AG 298. for the reaction. b. Determine the temperature at which the equilibrium constant, Keg, for the reaction is equal to 1.00. (Assume that Hº and AS are independent of temperature.) c. Calculate the...
P,010(s) + 6PC13(g) → 10POCI;(8) 1. The synthesis of phosphoryl chloride (POCI,) is represented in the reaction above. a. Determine the value of the standard enthalpy change AHⓇxn for the synthesis of POCI(g) at 298K using the following information. (5 points) i. P,(s) +6C12(g) → 4PC12(g) AH° = -1225.6 kJ ii. P.(s) + 502(g) →P,0,.() AH = -2967.3 kJ iii. PCI,(g) + Cl, (g) → PC1,(g) AH = -84.2 kJ iv. PCI,(g) + 1/2 0,(g) → POCI,(g) AH° = -285.7...
For the reaction 2 BrF3(g) - Br2(g) + 3 F2(g) AG° = 470.3 kJ and AH° = 542.1 kJ at 267 K and 1 atm. This reaction is (reactant, product) favored under standard conditions at 267 K. The entropy change for the reaction of 2.38 moles of BrF3(g) at this temperature would be J/K.
Consider the reaction: at N2(g) + 3 F2 (g) --> 2 NH3(g) AH° = -249 kJ AS° = -278 25 C K Calculate AGº and state whether the equilibrium composition contains mostly products or reactants at standard conditions. AG --332 kJ The equilibrium composition contains mostly reactants. AG = :-166 kJ The equilibrium composition contains mostly products. AG -6.7 kJ The equilibrium composition contains mostly products. O AGⓇ = +29.0 kJ The equilibrium composition contains mostly products. = AG +82.6...
Consider the reaction: AS° -278 J K N2 (g) + 3 F2 (g) --> 2 NH3(g) AH = –249 kJ at 25 C Calculate AGº and state whether the equilibrium composition contains mostly products or reactants at standard conditions. O AG° = –166 kJ The equilibrium composition contains mostly products. 0 AG = -6.7 kJ The equilibrium composition contains mostly products. O AG° = +82.6 kJ The equilibrium composition contains mostly reactants. O AGⓇ = -332 kJ The equilibrium composition...
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