Homework Answers
We will plot a graph between pressure and compressibility factor
The equation will be like
Z = 1 + B'(T) P + C'(T) P2
Where B= second viral coeffecient
C= third viral coeffecient
The equation is
y = -7E-07x2 - 0.001x + 0.999
B = -0.001
C = - 7 X 10^-7
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Use the data for ammonia at 473 K given in the table below to calculate the...
3. Use the provided experimental data to calculate the equilibrium constant, K, for the reaction given...
3. Use the provided experimental data to calculate the equilibrium constant, K, for the reaction given below. Note the stoichiometry is not all 1 to 1. (7) Include the units for K Ke=? Co3+(aq) + 2SCN-(aq) = Co(SCN)2(aq) 5.0 ml of 0.10 M CO(NO3)3 was mixed with 5.0 ml of 0.050 M KSCN The absorbance of the equilibrium mixture at 491 nm was 0.157. The linear regression equation for the (Co(SCN)2-) calibration curve was: y = (4.3 x 103)x +...
3. (a) Use the data given below and calculate AHO, ASO, A Gº, and K, at...
3. (a) Use the data given below and calculate AHO, ASO, A Gº, and K, at 25° C for the reaction: 2 CO (g) + 2 CI, (g) → 2 COCI, (g) (b) Calculate AG for the reaction at 250 °C. (c) At what temperature (°C) is AG equal to zero? In what temperature range is this reaction product- favored? Compound He kJ/mol S. J/mol.K CO (g) -110.52 197.67 Cl2 (g) 223.07 COCI, (g) -218.8 283.53 4. Classify each of...
37. (5 pts) Use the data given below to calculate the electron affinity of Br. K(5)...
37. (5 pts) Use the data given below to calculate the electron affinity of Br. K(5) ► kg) K(g) → K'(g) + Br (1) ► 2 Br(g) K(s) + Br:(8) ► KB (8) KBr(8) ► K*(8) + Br(e) AH (1) +89 +419 +193 -394 +674 3 in the hydrogen 38. (5 pts) Calculate the wavelength of light associated with the transition from 1-2 to atom. 39. (2 pts) In the preceding question, would light be absorbed or emitted by the...
Use the data in the table above to calculate an approzimate delta H in kilojules for...
Use the data in the table above to calculate an approzimate
delta H in kilojules for the synthesis of hydrazine from
ammonia.
Average Bond Dissociation Energies, D (kJ/mol) 151 - S-F S-C s-Be s-s 250 210 225 H-H 436 C-H 410 NH 3900 F 1801 H-C 410 C-C 350 N-C 300 0-C 200 H-F 570. C-F 450N -F 2700 -Br 210 H- 432 C-a 330 N-C 200 0-1 220 H Br 366 C-Br 270 N-Br 240 0-N 200 H-1 298...
Use the reaction and the data given in the table below for Questions 16-17. Nitric oxide...
Use the reaction and the data given in the table below for Questions 16-17. Nitric oxide reacts with chlorine to form NOCI. The data refer to 298 K 2NO(g) + Cl2(g) Substance: AHo s (kJ/mol): 2NOC?(g) NO(g) C2gNOCIg) 90.29 ? 51.71 261.6 S (J/K-mol): 210.65 223.0 16. What is the equilibrium constant for the reaction above at 298 K?
Some measurements of the initial rate of a certain reaction are given in the table below....
Some measurements of the initial rate of a certain reaction are
given in the table below.
Use this information to write a rate law for this reaction, and
calculate the value of the rate constant k. Round your value for
the rate constant to 3 significant digits. Also, be sure your
answer has the correct unit.
KINETICS AND EQUILIBRIUM Deducing a rate law from initial reaction rate data Some measurements of the initial rate of a certain reaction are given...
Use the following data to calculate the value of ΔG°rxn at 298 K for the reaction...
Use the following data to calculate the value of ΔG°rxn at 298 K for the reaction described by the given chemical equation. Include the units. Compound S°f (J/molK) DH°f (kJ/mol) CO (g) 197.7 –110.5 H2 (g) 130.7 0 CH4 (g) 186.3 –74.6 H2O (g) 188.8 –241.8 CO (g) + 3H2 (g) → CH4 (g) + H2O (g) I got -141.9 KJ/mol, but i think the units are wrong and I don't know why.
Calculate the AGº for X, in k], from the data given below at 325 K: 2x(g)...
Calculate the AGº for X, in k], from the data given below at 325 K: 2x(g) → X2(9) X(g) X2(9) So (J/mol-K) AH° (kJ/mol) 58. 1 5 4.1 97.6 112.0
Given the following data, answer the questions below the table: ---------------------------------------------------------------------------------------------------------------------- Data Unit sales
Given the following data, answer the questions below the table: ---------------------------------------------------------------------------------------------------------------------- Data Unit sales 30,000 units Selling price per unit $10 per unit Variable expenses per unit $5 per unit Fixed expenses $120,000 ---------------------------------------------------------------------------------------------------------------------- a) What is the break-even in dollar sales? b) What is the margin of safety percentage? c) What is the degree of operating leverage? (Round your final answer to 2 decimal places.) d) Using the degree of operating leverage, calculate the percentage change in net...
Use thermodynamic data to calculate the K_p for the reaction below at 298 K and 1300.0...
Use thermodynamic data to calculate the K_p for the reaction below at 298 K and 1300.0 K. 2 N_2(g) + O_2(s) 2 N_2 O(g)
3. Use the provided experimental data to calculate the equilibrium constant, K, for the reaction given below. Note the stoichiometry is not all 1 to 1. (7) Include the units for K Ke=? Co3+(aq) + 2SCN-(aq) = Co(SCN)2(aq) 5.0 ml of 0.10 M CO(NO3)3 was mixed with 5.0 ml of 0.050 M KSCN The absorbance of the equilibrium mixture at 491 nm was 0.157. The linear regression equation for the (Co(SCN)2-) calibration curve was: y = (4.3 x 103)x +...
3. (a) Use the data given below and calculate AHO, ASO, A Gº, and K, at 25° C for the reaction: 2 CO (g) + 2 CI, (g) → 2 COCI, (g) (b) Calculate AG for the reaction at 250 °C. (c) At what temperature (°C) is AG equal to zero? In what temperature range is this reaction product- favored? Compound He kJ/mol S. J/mol.K CO (g) -110.52 197.67 Cl2 (g) 223.07 COCI, (g) -218.8 283.53 4. Classify each of...
37. (5 pts) Use the data given below to calculate the electron affinity of Br. K(5) ► kg) K(g) → K'(g) + Br (1) ► 2 Br(g) K(s) + Br:(8) ► KB (8) KBr(8) ► K*(8) + Br(e) AH (1) +89 +419 +193 -394 +674 3 in the hydrogen 38. (5 pts) Calculate the wavelength of light associated with the transition from 1-2 to atom. 39. (2 pts) In the preceding question, would light be absorbed or emitted by the...
Use the data in the table above to calculate an approzimate
delta H in kilojules for the synthesis of hydrazine from
ammonia.
Average Bond Dissociation Energies, D (kJ/mol) 151 - S-F S-C s-Be s-s 250 210 225 H-H 436 C-H 410 NH 3900 F 1801 H-C 410 C-C 350 N-C 300 0-C 200 H-F 570. C-F 450N -F 2700 -Br 210 H- 432 C-a 330 N-C 200 0-1 220 H Br 366 C-Br 270 N-Br 240 0-N 200 H-1 298...
Use the reaction and the data given in the table below for Questions 16-17. Nitric oxide reacts with chlorine to form NOCI. The data refer to 298 K 2NO(g) + Cl2(g) Substance: AHo s (kJ/mol): 2NOC?(g) NO(g) C2gNOCIg) 90.29 ? 51.71 261.6 S (J/K-mol): 210.65 223.0 16. What is the equilibrium constant for the reaction above at 298 K?
Some measurements of the initial rate of a certain reaction are
given in the table below.
Use this information to write a rate law for this reaction, and
calculate the value of the rate constant k. Round your value for
the rate constant to 3 significant digits. Also, be sure your
answer has the correct unit.
KINETICS AND EQUILIBRIUM Deducing a rate law from initial reaction rate data Some measurements of the initial rate of a certain reaction are given...
Calculate the AGº for X, in k], from the data given below at 325 K: 2x(g) → X2(9) X(g) X2(9) So (J/mol-K) AH° (kJ/mol) 58. 1 5 4.1 97.6 112.0
Use thermodynamic data to calculate the K_p for the reaction below at 298 K and 1300.0 K. 2 N_2(g) + O_2(s) 2 N_2 O(g)
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