1. Estimate the boiling point for water at 1 atm. Please explain your choice of equation.
2. What is the vapor pressure for liquid water at 50oC? Explain your choice of equation.
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1. Estimate the boiling point for water at 1 atm. Please explain your choice of equation. 2. What...
General Chemistry I! Workshop 8: Gibb's Free Energy Part I. (2 pts) Write down and balance...
General Chemistry I! Workshop 8: Gibb's Free Energy Part I. (2 pts) Write down and balance chemical equations for (a) the reaction for burning 1 mole of hydrogen gas in oxygen to produce liquid water and (b) the reaction for burning 1 mole of liquid propane (CsHs) in oxygen to produce carbon dioxide gas and liquid water: (a) (b) Now look at the two reactions and discuss with yo group the following questions: (a) Which of these two methods of...
Calculate ΔH° in kJ/mol for the reaction of 2-butene vapor with hydrogen gas to form butane...
Calculate ΔH° in kJ/mol for the reaction of 2-butene vapor with
hydrogen gas to form butane gas. Be sure to balance the reaction
using the lowest whole numbers
95 96 97 98 99 100 C_H(g, cyclobutane) C_H(g, 2-butene) C4H10 (1, butane) C4H10 (g, butane) C3H10 (1, cyclopentane) C3H10 (g, cyclopentane) 26.7 -11.2 -147.3 –125.7 -105.8 -77.2 101 C3H10 (g, 1-pentene) 102 C3H10 (g, 2-pentene) AH° (kJ/mol) -20.9 -31.8 102 Cu 10 3 Hydrogen O. 0 203.2 218.0 1536.2 1503.8 0...
General Chemistry II Part II. Fuel efficiency (6 pts) Fuel efficiency is the efficiency of the...
General Chemistry II Part II. Fuel efficiency (6 pts) Fuel efficiency is the efficiency of the conversion of chemical energy contained in a fuel into work. Let's see which one of these fuels (hydrogen gas or liquid propane) will allow us to do more electrical work. Use the thermodynamic data provided to answer the following questions: 1. First determine the amount of heat released in direct combustion of (a) 1 mole of hydrogen gas; (b) 1 mole of liquid propane...
2. Lastly, use the table of thermodynamic functions to compute the AHo and ASo for the...
2. Lastly, use the table of thermodynamic functions to compute the AHo and ASo for the reactions in #1. Then using AH° and AS° and your knowledge of the second law, compute which reactions are spontaneous under standard conditions. You must show all your calcualtions. (7pts) Spontaneous ASo ASuniv ΔΗ Reaction 2H2(g) + 02(g) 2H20() CO2(s)-CO2(g) K (aq)+ Cl (aq)- KCI(s) Thermodynamic Properties at 298 K AH AG Substance kJ/mol kJ/mol 3/(mol-K) Ag(s) Ag (aq) AgBr(s) AgCls) Agl(s) Cl:(g) CI(8)...
1. The normal (at 760 mmHg, or 1 atm) boiling point of water is 100°C. What...
1. The normal (at 760 mmHg, or 1 atm) boiling point of water is 100°C. What mass of glucose (C6H202) would you have to dissolve in 1000 g of water to decrease the vapor pressure at 100°C by 1%? Assume that water follows Raoult's law. M(H2O) = 18.02 g/mol, M(C6H1206) = 180.2 g/mol. (10 pts) 2. What is the normal boiling point of such a solution? Assume ideal behavior. The ebullioscopic (boiling-point elevation) constant of water is Kp = 0.512...
Please show work Calculate the boiling point of water (T_v = ? K) at a pressure...
Please show work
Calculate the boiling point of water (T_v = ? K) at a pressure of P = 2 atm., and at a pressure of 0.8 atm H_2 O (l) rightarrow H_2 O (g) delta H_v degree = 41,000 J/mole at 1 atm, 373 K. Calculate the vapor pressure of liquid zinc (p_Z_n = ? atm) at T = 700 K. Zn(l) rightarrow Zn (g) delta H_V degree = 116,000 J/mole at 1 atm, 1180 K.
can you please solve all three questions. TIA The boiling point of water at 1 atm...
can you please solve all three questions. TIA
The boiling point of water at 1 atm is 100°C and the boiling point of ethanol at the same pressure is 78°C. Which one has the higher vapour pressure at a particular temperature? Select one: O They will have the same vapour pressure Ethanol O Water Check In this lab, you will determine the vapour pressure of water or ethanol (P) at various temperatures and use this data to find the enthalpy...
Please just answer Part 2 The vaporization of 1 mole of liquid water (the system) at 100.9°C, 100 atm, s endothermic. H0HOg) Assume that at exactly 100.0°C and 1.00 atm total pressure, 1.00 mole of l...
Please just answer Part 2
The vaporization of 1 mole of liquid water (the system) at 100.9°C, 100 atm, s endothermic. H0HOg) Assume that at exactly 100.0°C and 1.00 atm total pressure, 1.00 mole of liquid water and 1.00 mole of water vapor occupy 18.80 mL and 30.62 L, respectively 5th attempt d See Periodic Table See Hint (0.5 point) Part 1 Calculate the work done on or by the system when 1.85 mol of liquid H20 vaporizes. 5736.23319:J (0.5...
PART 1- 8 points each) Please show all your work. 21. What is the boiling point...
PART 1- 8 points each) Please show all your work. 21. What is the boiling point in °C) of a solution prepared by dissolving 11.5 g of Ca(NO3)2 (formula weight -164 g/mol) in 150 g of water? (K) for water is 0.52°C/m)
1. What is the boiling point of a 3.0 m Ca(NO3)2 solution in water? Where: the...
1. What is the boiling point of a 3.0 m Ca(NO3)2 solution in water? Where: the change in boiling point (ΔTb) = mKb m is the molality of the solution Kb (the boiling point constant) for water is 0.512 2. The freezing point of ethanol (C2H5OH) is -114.6 °C. What is the freezing point (°C) of a solution prepared by dissolving 50.0 g of glycerin a nonelectrolyte) in 200.0 g of ethanol? Where: ΔTf = mKf The molal freezing point depression...
General Chemistry I! Workshop 8: Gibb's Free Energy Part I. (2 pts) Write down and balance chemical equations for (a) the reaction for burning 1 mole of hydrogen gas in oxygen to produce liquid water and (b) the reaction for burning 1 mole of liquid propane (CsHs) in oxygen to produce carbon dioxide gas and liquid water: (a) (b) Now look at the two reactions and discuss with yo group the following questions: (a) Which of these two methods of...
Calculate ΔH° in kJ/mol for the reaction of 2-butene vapor with
hydrogen gas to form butane gas. Be sure to balance the reaction
using the lowest whole numbers
95 96 97 98 99 100 C_H(g, cyclobutane) C_H(g, 2-butene) C4H10 (1, butane) C4H10 (g, butane) C3H10 (1, cyclopentane) C3H10 (g, cyclopentane) 26.7 -11.2 -147.3 –125.7 -105.8 -77.2 101 C3H10 (g, 1-pentene) 102 C3H10 (g, 2-pentene) AH° (kJ/mol) -20.9 -31.8 102 Cu 10 3 Hydrogen O. 0 203.2 218.0 1536.2 1503.8 0...
General Chemistry II Part II. Fuel efficiency (6 pts) Fuel efficiency is the efficiency of the conversion of chemical energy contained in a fuel into work. Let's see which one of these fuels (hydrogen gas or liquid propane) will allow us to do more electrical work. Use the thermodynamic data provided to answer the following questions: 1. First determine the amount of heat released in direct combustion of (a) 1 mole of hydrogen gas; (b) 1 mole of liquid propane...
2. Lastly, use the table of thermodynamic functions to compute the AHo and ASo for the reactions in #1. Then using AH° and AS° and your knowledge of the second law, compute which reactions are spontaneous under standard conditions. You must show all your calcualtions. (7pts) Spontaneous ASo ASuniv ΔΗ Reaction 2H2(g) + 02(g) 2H20() CO2(s)-CO2(g) K (aq)+ Cl (aq)- KCI(s) Thermodynamic Properties at 298 K AH AG Substance kJ/mol kJ/mol 3/(mol-K) Ag(s) Ag (aq) AgBr(s) AgCls) Agl(s) Cl:(g) CI(8)...
1. The normal (at 760 mmHg, or 1 atm) boiling point of water is 100°C. What mass of glucose (C6H202) would you have to dissolve in 1000 g of water to decrease the vapor pressure at 100°C by 1%? Assume that water follows Raoult's law. M(H2O) = 18.02 g/mol, M(C6H1206) = 180.2 g/mol. (10 pts) 2. What is the normal boiling point of such a solution? Assume ideal behavior. The ebullioscopic (boiling-point elevation) constant of water is Kp = 0.512...
Please show work
Calculate the boiling point of water (T_v = ? K) at a pressure of P = 2 atm., and at a pressure of 0.8 atm H_2 O (l) rightarrow H_2 O (g) delta H_v degree = 41,000 J/mole at 1 atm, 373 K. Calculate the vapor pressure of liquid zinc (p_Z_n = ? atm) at T = 700 K. Zn(l) rightarrow Zn (g) delta H_V degree = 116,000 J/mole at 1 atm, 1180 K.
can you please solve all three questions. TIA
The boiling point of water at 1 atm is 100°C and the boiling point of ethanol at the same pressure is 78°C. Which one has the higher vapour pressure at a particular temperature? Select one: O They will have the same vapour pressure Ethanol O Water Check In this lab, you will determine the vapour pressure of water or ethanol (P) at various temperatures and use this data to find the enthalpy...
Please just answer Part 2
The vaporization of 1 mole of liquid water (the system) at 100.9°C, 100 atm, s endothermic. H0HOg) Assume that at exactly 100.0°C and 1.00 atm total pressure, 1.00 mole of liquid water and 1.00 mole of water vapor occupy 18.80 mL and 30.62 L, respectively 5th attempt d See Periodic Table See Hint (0.5 point) Part 1 Calculate the work done on or by the system when 1.85 mol of liquid H20 vaporizes. 5736.23319:J (0.5...
PART 1- 8 points each) Please show all your work. 21. What is the boiling point in °C) of a solution prepared by dissolving 11.5 g of Ca(NO3)2 (formula weight -164 g/mol) in 150 g of water? (K) for water is 0.52°C/m)
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