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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 NHz is 192.45 JK+mol-1 at 298K, and its heat capacity is...
The standard molar entropy of NHz is 192.45 JK+mol-1 at 298K, and its heat capacity is given by the equation Com= a +bT +c/T2 with the coefficients given in the table below. Calculate the standard molar entropy of NH3 at 100 °C. Please explain as much as possible. Why did you use the equation? Or what conditions did you see from the question? etc. Table 1: Temperature variation of molar heat capacities, Cp /K-mol-?) = a +bT + c/T2 b/(10-3K-1)...
4. The standard enthalpy of formation of NH3 (g) is -46.11 kJ mol-' at 298 K....
4. The standard enthalpy of formation of NH3 (g) is -46.11 kJ mol-' at 298 K. Given the heat capacity data below and the data in Problem 2, calculate the standard enthalpy of formation at 1200 K Cp.m (H2 (9))/ J mol K-1 = 29.1 - (0.84 x 10- K-)T Cpm (N2 (g))/ J mol K-1 = 26.98 +(5.9 x 10-'K-!)T
The constant pressure molar heat capacity of argon is 20.79 J K-1 mol-1 at 298 K....
The constant pressure molar heat capacity of argon is 20.79 J K-1 mol-1 at 298 K. Predict the value of the constant volume molar heat capacity of argon at this temperature.
The constant-pressure molar heat capacity of H2O (s) and H2O (l) is 75.291 J K−1 mol−1...
The constant-pressure molar heat capacity of H2O (s) and H2O (l) is 75.291 J K−1 mol−1 and that of H2O (g) is 33.58 J K−1 mol−1 . Assume that the constant-pressure molar heat capacities are constant over the studied temperature range. Calculate the change in entropy of the system when 15.0 g of ice at −12.0 °C is converted to water vapour at 105.0 °C at a constant pressure of 1 bar!
The molar heat capacity Cp m of SO2 (g) is described by the following equation over...
The molar heat capacity Cp m of SO2 (g) is described by the following equation over the range 300 K< T < 1700 K 45.81 x 10-7 T2 ка Cp +1.035 x 10-9 Ț3. кз 3.093 6.967 x 10-3 In this equation, T is the absolute temperature in kelvin. The ratios T"/K" ensure that Cp.m has the correct dimension. 1.65 moles of SO2 (g) is heated from 29.0 C to 1130 ° C at a constant pressure of 1 bar
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)...
- Laticise E3B.7(a). P3B.3 The molar heat capacity of trichloromethane (chloroform, CHCI) range 240 K to...
- Laticise E3B.7(a). P3B.3 The molar heat capacity of trichloromethane (chloroform, CHCI) range 240 K to 330 K is given by Cpm/(JKmol"!) = 91.47 +7.5 x 10 Calculate the change in molar entropy when CHCl, is heated from 273 K to 300 K the range 200 K to 400 K is given by
10 points. 1. The molar heat capacity of iridium is given by Cam 24.80 +0.00597"T Calculate the change in entropy i...
10 points. 1. The molar heat capacity of iridium is given by Cam 24.80 +0.00597"T Calculate the change in entropy if 75.0 grams of iridium is heated from O'C to 1500°C. 2. The United State
1. Which of the following will have the greatest standard molar entropy (Sº)? a. NH3(g) d....
1. Which of the following will have the greatest standard molar entropy (Sº)? a. NH3(g) d. H:0(1) b. He(g) e. CaCO(s) c. C(s, graphite) 2. Indicate which of the following has the highest entropy at 298 K. a. 0.5 g of HCN b. 1 mol of HCN c. 2 kg of HCN d. 2 mol of HCN e. All of the above have the same entropy at 298 K. EVALUATING AS FOR REACTIONS (non-math recognition) 3. Indicate which one of...
Identify an unknown metal by determining its specific heat capacity (Csp). It takes 26,347 J of...
Identify an unknown metal by determining its specific heat capacity (Csp). It takes 26,347 J of heat to raise the temperature of 253.5 grams of the unknown metal from 31.4°C to 146.5°C. Determine the Csp and then use the adjacent table to identify the metal.de Date: city (Cs). of the then use the TABLE 6.4 Specific Heat Capacities of Some Common Substances Specific Heat Capacity, Cs Substance (J/g °C)* Elements 0.128 Lead 0.128 Gold Silver 0.235 0.385 sorto no 12...
The standard molar entropy of NHz is 192.45 JK+mol-1 at 298K, and its heat capacity is given by the equation Com= a +bT +c/T2 with the coefficients given in the table below. Calculate the standard molar entropy of NH3 at 100 °C. Please explain as much as possible. Why did you use the equation? Or what conditions did you see from the question? etc. Table 1: Temperature variation of molar heat capacities, Cp /K-mol-?) = a +bT + c/T2 b/(10-3K-1)...
4. The standard enthalpy of formation of NH3 (g) is -46.11 kJ mol-' at 298 K. Given the heat capacity data below and the data in Problem 2, calculate the standard enthalpy of formation at 1200 K Cp.m (H2 (9))/ J mol K-1 = 29.1 - (0.84 x 10- K-)T Cpm (N2 (g))/ J mol K-1 = 26.98 +(5.9 x 10-'K-!)T
The molar heat capacity Cp m of SO2 (g) is described by the following equation over the range 300 K< T < 1700 K 45.81 x 10-7 T2 ка Cp +1.035 x 10-9 Ț3. кз 3.093 6.967 x 10-3 In this equation, T is the absolute temperature in kelvin. The ratios T"/K" ensure that Cp.m has the correct dimension. 1.65 moles of SO2 (g) is heated from 29.0 C to 1130 ° C at a constant pressure of 1 bar
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)...
- Laticise E3B.7(a). P3B.3 The molar heat capacity of trichloromethane (chloroform, CHCI) range 240 K to 330 K is given by Cpm/(JKmol"!) = 91.47 +7.5 x 10 Calculate the change in molar entropy when CHCl, is heated from 273 K to 300 K the range 200 K to 400 K is given by
10 points. 1. The molar heat capacity of iridium is given by Cam 24.80 +0.00597"T Calculate the change in entropy if 75.0 grams of iridium is heated from O'C to 1500°C. 2. The United State
1. Which of the following will have the greatest standard molar entropy (Sº)? a. NH3(g) d. H:0(1) b. He(g) e. CaCO(s) c. C(s, graphite) 2. Indicate which of the following has the highest entropy at 298 K. a. 0.5 g of HCN b. 1 mol of HCN c. 2 kg of HCN d. 2 mol of HCN e. All of the above have the same entropy at 298 K. EVALUATING AS FOR REACTIONS (non-math recognition) 3. Indicate which one of...
Identify an unknown metal by determining its specific heat capacity (Csp). It takes 26,347 J of heat to raise the temperature of 253.5 grams of the unknown metal from 31.4°C to 146.5°C. Determine the Csp and then use the adjacent table to identify the metal.de Date: city (Cs). of the then use the TABLE 6.4 Specific Heat Capacities of Some Common Substances Specific Heat Capacity, Cs Substance (J/g °C)* Elements 0.128 Lead 0.128 Gold Silver 0.235 0.385 sorto no 12...
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