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Question 13(6 points) Calculate the normal boiling point of a substance in Kelvin to 4 significant...
Question 6 (6 points) Calculate the normal boiling point of a substance in Kelvin to 4...
Question 6 (6 points) Calculate the normal boiling point of a substance in Kelvin to 4 significant figures given the following information: AH°vap = 14.50 kJ/mol, Asºvap = 71.70 J/mol-K Your Answer: Answer
36.1 J/K mol. Calculate the boiling point of liquid Liquid nitrogen has a measured enthalpy of...
36.1 J/K mol. Calculate the boiling point of liquid Liquid nitrogen has a measured enthalpy of vaporization (AH vap -2.79 kJ/mol and entropy of vaporization (AS nitrogen, in °C using this information. (Use 273.15 K 0°C for the temperature conversion. Report your answer with three significant figures.) Tp C
Question 3 (6 points) What do you need to calculate to determine if this reaction is...
Question 3 (6 points) What do you need to calculate to determine if this reaction is favorable at room temperature (25 °C)? Is the reaction product favorable? Substance CH() O2(g) CO2(e) H2O(g) H20(1) 2C2H6 (g) + 702 (g) à 4002 (+ 6H2O(1) Hºp (kJ/mol) Gºt (kJ/mol) S (J/K mol) -84.68 -32.89 229.5 205.0 -393.5 -394.4 213.7 -241.8 -228.6 188.8 -285 84 -237.19 69 94 OAH, no AG", no O o o o o o o AS®, yes Asº.no AG", yes...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for : Mark 1.00 out of 1.00 2002(g) +4H2O(1) ► 2CH3OH(1) + 302(g) P Flag question Answer: 1404.84 Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AGⓇ =AH°-TAS and assume AH° and AS are independent of temperature. P Flag question (Theis...
only worth 1 point. 1. (6) 15.0 g of ice cubes at 0.0°C are combined with...
only worth 1 point. 1. (6) 15.0 g of ice cubes at 0.0°C are combined with 150.g of liquid water at 70.0°C in a coffee cup calorimeter. Calculate the final temperature reached, assuming no heat loss or gain from the calorimeter. (Data: specific heat capacity of H2O(l). C4.18 1/8 'C) H2O(s) → H2O(1) AH = 6.02 kJ/mol) 2. (6) Calculate A s for the reaction: 5C(s) + 6H2(g) → CsHuz10 Use the following reactions and given AH's. CsHua(l) + 802()...
Exit Question 2 1 pts 4 Consider the balanced reaction 3 A +6 B C +5...
Exit Question 2 1 pts 4 Consider the balanced reaction 3 A +6 B C +5 D and the enthalpies of formation provided in the table below. ΔΗ, Compound (kJ/mol) 314.5 - 166.5 -81.3 Suppose that the AH of the overall reaction is 250.2 kJ/molrxn. Calculate the value of the AH of B in kJ/mol. Report your answer to three decimal places (ignore significant figures). 9:32 Exit Question 3 1 pts 6 Consider the balanced reaction 8 A+ 5 B...
Part A Calculate AHxn for the following reaction: 5 C(s) + 6 H (9) C: H12...
Part A Calculate AHxn for the following reaction: 5 C(s) + 6 H (9) C: H12 (1) Use the following reactions and given AH values. C, H12(1) + 8 O2(g) →5 CO2(g) + 6 H, 0(9), AH = -3244.8 kJ C(s) + O2(g) → CO2 (9), AH = -393.5 kJ 2 H2(g) + O2(g) + 2 H2O(9), AH = -483.5 kJ Express your answer to four significant figures.
Question 6 Not answered Marked out of 1.00 If the above reaction could be done at...
Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AG° =AH° -TAS® and assume AH° and 4Sº are independent of temperature. P Flag question (Theº is included because it is still for standard conditions, that is, 1 atm for gases and 1 molar for concentrations.) Answer: What is Agrº (in kJ) at 2268 K for the following...
please help and provide explanations! Section II. Short answer. (Record all answers on the answer sheet...
please help and provide explanations!
Section II. Short answer. (Record all answers on the answer sheet with the appropriate number of significant figures) 16. Consider a neutralization reaction in which KOH(aq) is mixed with H2SO4(aq) in a coffee-cup calorimeter. If 147.0 g of liquid in the coffee-cup calorimeter rises 8.30 °C, how much heat is released by the neutralization reaction in kJ? 17. The value of AHº for the reaction below is - 790 kJ/mol. What is the enthalpy change...
Calculate AGº for the dissolution of urea when 4.2 g of urea dissolved in 5.0 mL...
Calculate AGº for the dissolution of urea when 4.2 g of urea dissolved in 5.0 mL of water at 25 °C. R = 8.314 J/mol K Your Answer: Answer Question 3 (10 points) Calculate ASº if AG° = 80.70 kJ/mole and AH = 96 kJ/mole at 25°C. Your Answer: Answer Question 4 (10 points) Is the dissolution of urea a spontaneous process?
Question 6 (6 points) Calculate the normal boiling point of a substance in Kelvin to 4 significant figures given the following information: AH°vap = 14.50 kJ/mol, Asºvap = 71.70 J/mol-K Your Answer: Answer
36.1 J/K mol. Calculate the boiling point of liquid Liquid nitrogen has a measured enthalpy of vaporization (AH vap -2.79 kJ/mol and entropy of vaporization (AS nitrogen, in °C using this information. (Use 273.15 K 0°C for the temperature conversion. Report your answer with three significant figures.) Tp C
Question 3 (6 points) What do you need to calculate to determine if this reaction is favorable at room temperature (25 °C)? Is the reaction product favorable? Substance CH() O2(g) CO2(e) H2O(g) H20(1) 2C2H6 (g) + 702 (g) à 4002 (+ 6H2O(1) Hºp (kJ/mol) Gºt (kJ/mol) S (J/K mol) -84.68 -32.89 229.5 205.0 -393.5 -394.4 213.7 -241.8 -228.6 188.8 -285 84 -237.19 69 94 OAH, no AG", no O o o o o o o AS®, yes Asº.no AG", yes...
Question 5 Correct Use AG° =AH° -TAS° to calculate AG (in kJ) at 298 K for : Mark 1.00 out of 1.00 2002(g) +4H2O(1) ► 2CH3OH(1) + 302(g) P Flag question Answer: 1404.84 Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AGⓇ =AH°-TAS and assume AH° and AS are independent of temperature. P Flag question (Theis...
only worth 1 point. 1. (6) 15.0 g of ice cubes at 0.0°C are combined with 150.g of liquid water at 70.0°C in a coffee cup calorimeter. Calculate the final temperature reached, assuming no heat loss or gain from the calorimeter. (Data: specific heat capacity of H2O(l). C4.18 1/8 'C) H2O(s) → H2O(1) AH = 6.02 kJ/mol) 2. (6) Calculate A s for the reaction: 5C(s) + 6H2(g) → CsHuz10 Use the following reactions and given AH's. CsHua(l) + 802()...
Exit Question 2 1 pts 4 Consider the balanced reaction 3 A +6 B C +5 D and the enthalpies of formation provided in the table below. ΔΗ, Compound (kJ/mol) 314.5 - 166.5 -81.3 Suppose that the AH of the overall reaction is 250.2 kJ/molrxn. Calculate the value of the AH of B in kJ/mol. Report your answer to three decimal places (ignore significant figures). 9:32 Exit Question 3 1 pts 6 Consider the balanced reaction 8 A+ 5 B...
Part A Calculate AHxn for the following reaction: 5 C(s) + 6 H (9) C: H12 (1) Use the following reactions and given AH values. C, H12(1) + 8 O2(g) →5 CO2(g) + 6 H, 0(9), AH = -3244.8 kJ C(s) + O2(g) → CO2 (9), AH = -393.5 kJ 2 H2(g) + O2(g) + 2 H2O(9), AH = -483.5 kJ Express your answer to four significant figures.
Question 6 Not answered Marked out of 1.00 If the above reaction could be done at 3399 K, what would be your estimate for AGº (in kJ) at this elevated temperature? Use AG° =AH° -TAS® and assume AH° and 4Sº are independent of temperature. P Flag question (Theº is included because it is still for standard conditions, that is, 1 atm for gases and 1 molar for concentrations.) Answer: What is Agrº (in kJ) at 2268 K for the following...
please help and provide explanations!
Section II. Short answer. (Record all answers on the answer sheet with the appropriate number of significant figures) 16. Consider a neutralization reaction in which KOH(aq) is mixed with H2SO4(aq) in a coffee-cup calorimeter. If 147.0 g of liquid in the coffee-cup calorimeter rises 8.30 °C, how much heat is released by the neutralization reaction in kJ? 17. The value of AHº for the reaction below is - 790 kJ/mol. What is the enthalpy change...
Calculate AGº for the dissolution of urea when 4.2 g of urea dissolved in 5.0 mL of water at 25 °C. R = 8.314 J/mol K Your Answer: Answer Question 3 (10 points) Calculate ASº if AG° = 80.70 kJ/mole and AH = 96 kJ/mole at 25°C. Your Answer: Answer Question 4 (10 points) Is the dissolution of urea a spontaneous process?
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