Homework Answers
Add Answer to:
Using the data reported in the table and 5°(298 K) considering Cp(T) = a + bt,...
Prepare an ANOVA table for the T-cp data form Homework 4, where you fit these data to a polynomial expression of the form: cp- A+BT+CT 2. Cp [J/mol/K] 38.0755.35 67.32 76.44 92.3 98.49 98.95 124.77 1...
Prepare an ANOVA table for the T-cp data form Homework 4, where you fit these data to a polynomial expression of the form: cp- A+BT+CT 2. Cp [J/mol/K] 38.0755.35 67.32 76.44 92.3 98.49 98.95 124.77 148.66 169.28 50 100 150 200 273.15 298.15 300 400500600 CP J/molK 187.02 202.38 215.73 00 800 900 IKI
Prepare an ANOVA table for the T-cp data form Homework 4, where you fit these data to a polynomial expression of the form: cp- A+BT+CT 2....
4. What is Au of water for a temperature change from 298 to 363 K. Over...
4. What is Au of water for a temperature change from 298 to 363 K. Over this temperature range the molar entropy of water is given by Sm = a + bТ where a = 1.5 J K-' mol-and b = 0.23 J K-2 mol-1.
The standard molar entropy of NH3 is 192.45 J K'mol ' at 298 K, and its heat capacity is given by the equation Cp.m = a...
The standard molar entropy of NH3 is 192.45 J K'mol ' at 298 K, and its heat capacity is given by the equation Cp.m = a + bT + c/T2 with the coefficients given in table below. Calculate the standard molar entropy of NH3 at a) 100 °C. (10 pts) Table 1: Temperature variation of molar heat capacities, C /OK-Imol-1) = a +bT + c/T2 c b/(10-K) I 25.1 /(10% K) -155 NH3 29.75
The molar heat capacity at constant pressure for water vapor varies with temperature according the equation:...
The molar heat capacity at constant pressure for water vapor varies with temperature according the equation: Cp / J.K mol-1 = 30.54 + 0.0103T/K Calculate the first law parameters (w, q, ΔU, and ΔH) when one mole of water vapor behaving as an ideal gas is heated at constant volume from 25° C to 200° C.
M T = 298 K x = +157J/K; T = 398 K u Entropy Changes and...
M T = 298 K x = +157J/K; T = 398 K u Entropy Changes and Gibbs Free F 43. Calculate the change in Gil AH my Lach pair of substances, choose the one that you have the higher standard molar entropy reasons for your choices. a. NaNO,(s); Nano c. Br. Calculate the change in entropy that occurs in the system. When ss. Og of Water vaporizes from a liquid to a gas at its boiling point (1oooo) Attrap =...
5. The standard molar entropy of liquid ethanol (C2H5OH) is 160.7 J K mol and the...
5. The standard molar entropy of liquid ethanol (C2H5OH) is 160.7 J K mol and the standard enthalpy of combustion is - 1368 kJ mol at 298 K, how much is the standard Gibbs energy (A,Gº) of formation of liquid ethanol at 298 K? (20 pts) The formation reaction of ethanol is 2C (graphite) + O2(g) + 3H2 (g) → C2H5OH() The combustion reaction of ethanol is CH5OH (1) + 302 (9) ► 200, (g) + 3H20 (1) CO; (g)...
FR 5. (15 points) Two blocks one of aluminum (Al MM= 26.98g/mol , Cp,m=24.35 J/mol K),...
FR 5. (15 points) Two blocks one of aluminum (Al MM= 26.98g/mol , Cp,m=24.35 J/mol K), the other of silver (Ag MM= 107.9 g/mol , Cp,m 25.351 J/mol K) of mass (100 g) are at two different temperatures (TAI=300K and Tag=500K). Calculate the change in entropy for the system once the final temperature is achieved.
no. 3 COL LUPIC. 3. (20 pts) Use the following thermodynamic data (reported at 298 K...
no. 3
COL LUPIC. 3. (20 pts) Use the following thermodynamic data (reported at 298 K and 1 bar) to determine: Substance 4/Hº (kJ/mol) S. (I/K-mol) 4,6° (kJ/mol) N2H4(1) 50.53 121.21 149.4 159.4 N2H4(g) 95.4 Wap 238.9 205.14 191. 610 O2(g) 0 0 N2(g) H2O(1) -237.2 69.91 -285.83 SpA (3a) (5 pts) The molar enthalpy of vaporization of hydrazine N, H. (36) (5 pts) Whether liquid hydrazine vaporizes at 25°C and 1 bar? Hint: Calculate the free energy of vaporization...
29. T rtical calculat_ of sulfur oïdes adsorbed (Nas) on the Pceit ble boon Reactiom T-298 K T-60...
29. T rtical calculat_ of sulfur oïdes adsorbed (Nas) on the Pceit ble boon Reactiom T-298 K T-600 K -33 +20 -38 +50 Given this information, what can be concluded about the reaction (A) The reaction is endothermic and spontaneous at only (B) The reaction is exothermic and spontaneous at only (C) The reaction is endothermic and spontaneous at both (D) The reaction is exothermic and spontaneous at both 30. Pure A and B have vapor pressures of 100 and...
At 298 K and 1 bar pressure, the density of water is 0.9970 g⋅cm−3, the coefficient...
At 298 K and 1 bar pressure, the density of water is 0.9970 g⋅cm−3, the coefficient of thermal expansion, is 2.07×10−4 K−1, and CP,m=75.3 J⋅K−1⋅mol−1. Part A: If the temperature of 336 g of water is increased by 27.9 K, calculate w Part B: If the temperature of 336 g of water is increased by 27.9 K, calculate q. Part C: If the temperature of 336 g of water is increased by 27.9 K, calculate ΔH. Part D: If the...
Prepare an ANOVA table for the T-cp data form Homework 4, where you fit these data to a polynomial expression of the form: cp- A+BT+CT 2. Cp [J/mol/K] 38.0755.35 67.32 76.44 92.3 98.49 98.95 124.77 148.66 169.28 50 100 150 200 273.15 298.15 300 400500600 CP J/molK 187.02 202.38 215.73 00 800 900 IKI
Prepare an ANOVA table for the T-cp data form Homework 4, where you fit these data to a polynomial expression of the form: cp- A+BT+CT 2....
4. What is Au of water for a temperature change from 298 to 363 K. Over this temperature range the molar entropy of water is given by Sm = a + bТ where a = 1.5 J K-' mol-and b = 0.23 J K-2 mol-1.
The standard molar entropy of NH3 is 192.45 J K'mol ' at 298 K, and its heat capacity is given by the equation Cp.m = a + bT + c/T2 with the coefficients given in table below. Calculate the standard molar entropy of NH3 at a) 100 °C. (10 pts) Table 1: Temperature variation of molar heat capacities, C /OK-Imol-1) = a +bT + c/T2 c b/(10-K) I 25.1 /(10% K) -155 NH3 29.75
M T = 298 K x = +157J/K; T = 398 K u Entropy Changes and Gibbs Free F 43. Calculate the change in Gil AH my Lach pair of substances, choose the one that you have the higher standard molar entropy reasons for your choices. a. NaNO,(s); Nano c. Br. Calculate the change in entropy that occurs in the system. When ss. Og of Water vaporizes from a liquid to a gas at its boiling point (1oooo) Attrap =...
5. The standard molar entropy of liquid ethanol (C2H5OH) is 160.7 J K mol and the standard enthalpy of combustion is - 1368 kJ mol at 298 K, how much is the standard Gibbs energy (A,Gº) of formation of liquid ethanol at 298 K? (20 pts) The formation reaction of ethanol is 2C (graphite) + O2(g) + 3H2 (g) → C2H5OH() The combustion reaction of ethanol is CH5OH (1) + 302 (9) ► 200, (g) + 3H20 (1) CO; (g)...
FR 5. (15 points) Two blocks one of aluminum (Al MM= 26.98g/mol , Cp,m=24.35 J/mol K), the other of silver (Ag MM= 107.9 g/mol , Cp,m 25.351 J/mol K) of mass (100 g) are at two different temperatures (TAI=300K and Tag=500K). Calculate the change in entropy for the system once the final temperature is achieved.
no. 3
COL LUPIC. 3. (20 pts) Use the following thermodynamic data (reported at 298 K and 1 bar) to determine: Substance 4/Hº (kJ/mol) S. (I/K-mol) 4,6° (kJ/mol) N2H4(1) 50.53 121.21 149.4 159.4 N2H4(g) 95.4 Wap 238.9 205.14 191. 610 O2(g) 0 0 N2(g) H2O(1) -237.2 69.91 -285.83 SpA (3a) (5 pts) The molar enthalpy of vaporization of hydrazine N, H. (36) (5 pts) Whether liquid hydrazine vaporizes at 25°C and 1 bar? Hint: Calculate the free energy of vaporization...
29. T rtical calculat_ of sulfur oïdes adsorbed (Nas) on the Pceit ble boon Reactiom T-298 K T-600 K -33 +20 -38 +50 Given this information, what can be concluded about the reaction (A) The reaction is endothermic and spontaneous at only (B) The reaction is exothermic and spontaneous at only (C) The reaction is endothermic and spontaneous at both (D) The reaction is exothermic and spontaneous at both 30. Pure A and B have vapor pressures of 100 and...
Most questions answered within 3 hours.
-
The condensate from a steam distillation contains 12.0 g of
compound A and 18.0 g of...
asked 44 minutes ago -
A major economic benefit of fixed exchange rates compared to
floating rates is that
a. the...
asked 53 minutes ago -
1) For this reaction,
SiCl4 (l)+ 2H2O(g) <->
SiO2 (s) + 4HCl (g) DeltaH = -127 KJ...
asked 51 minutes ago -
Which of the following does NOT add to US GDP? A. Saudi Arabia
buys fighter jets...
asked 2 hours ago -
2. Describe market equilibrium in terms of the following
characteristics
d.
How supply and demand interactions...
asked 2 hours ago -
1a. Create a class named Computer
- Separate declaration from implementation (i.e. Header and CPP
files)...
asked 2 hours ago -
A medical researcher
believes that a drug changes the body's temperature. Seven test
subjects are randomly...
asked 2 hours ago -
A call option on Project Cash Flow Consulting Inc.'s stock (PCF)
has a market price of...
asked 2 hours ago -
A study on the latest fad diet claimed that the amounts of
weight lost by all...
asked 3 hours ago -
give examples of how gene expression is inherited to the next
generation?
asked 3 hours ago -
If a project has _________ IRR(s), we should __________ . Assume
this project is competing with...
asked 3 hours ago -
In the figure, a sound of wavelength 0.700 m is emitted
isotropically by point source S....
asked 3 hours ago