estimate the difference between Cp and Cv for carbon tetrachloride at 25 C, for which cp...
estimate the difference between Cp and Cv for carbon tetrachloride at 25 C, for which cp = 132 j/mol k. At this temperature, CCl4 has a density of 1.59 g/cm3, its expansion coefficient is 1.24 x 10-3 K and its isothermal compressibility is 9.05 x 10 ^ -5 atm
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estimate the difference between Cp and Cv for carbon
tetrachloride at 25 C, for which cp...
The average coefficient of volume expansion for carbon tetrachloride is 5.81 x 10-4 (°C)-1. If a...
The average coefficient of volume expansion for carbon tetrachloride is 5.81 x 10-4 (°C)-1. If a 45.0-gal steel container is filled completely with carbon tetrachloride when the temperature is 10.0°C, how much will spill over when the temperature rises to 25.5°C? (Assume the coefficient of thermal expansion of steel is 11 x 10 (°C)-1.) 397575 X gal Your answer is incorrect.
Final Exam(1) Accessibility M Carbon tetrachloride (CCl) diffuses at 25°C in a dilute solution of benzene. The expe...
Final Exam(1) Accessibility M Carbon tetrachloride (CCl) diffuses at 25°C in a dilute solution of benzene. The experimental diffusivity is: 1.92*10 cm2/s at 25 C. a) Explain using two film theory model the mass transfer of carbon tetrachloride into benzene with the help of a diagram. (2 Marks) b) Select two models to estimate diffusivity coefficient at 25°C. (6 Marks) c) Explain numerically which model gives better prediction and why in terms of assumptions. (2 Marks) Data: Association factor of...
The density of K(s) is 0.862 g/cm3. Estimate the change in chemical potential of K(s) if...
The density of K(s) is 0.862 g/cm3. Estimate the change in chemical potential of K(s) if the pressure is increased from 1.00 x 10 Pa to 1.20 x 10 Pa. The molar entropy of C12(9) is 223.07 J/mol-K at 298 K. Estimate the change in the chemical potential of Cl2(9) if the temperature is increased to 450 K.
A) An engineer is designing a product in which a copper wire will carry large amounts...
A) An engineer is designing a product in which a copper wire will carry large amounts of electricity. The resistive heating of a 66 g copper wire is expected to add 520 J of heat energy during a 10-minute operating cycle. What is the temperature increase of the wire? You may use the following information about copper to answer the question: specific heat = 0.385 J g-1 °C-1 density = 8.94 g/cm3 coefficient thermal expansion = 6.5 µm m-1 K-1...
A lead block of mass 7.0 kg is originally at a temperature of 15°C and 1 atm. It is then heated to a temperature of 64°...
A lead block of mass 7.0 kg is originally at a temperature of 15°C and 1 atm. It is then heated to a temperature of 64°C without any change in pressure. The specific heat of lead is 128 J/(kg - °C), its density is 1.13 x 104 kg/m3, and the coefficient of linear expansion is 29 x 10 -6/oC (a) Determine the work done by the lead block (b) How much heat energy is transferred during this process? J (c)...
1. (8 pts) Virtually every pchem textbook has a table of enthalpy values for 25°C. One...
1. (8 pts) Virtually every pchem textbook has a table of enthalpy values for 25°C. One use for these may be to calculate the enthalpy for a phase change such as compounds boil at 25°C. You are going to calculate the percent difference between the heat of vaporization of ethanol using data for 25°C and that at its boiling point of 78°C. boiling. However, not too many a) Write the chemical equation that shows the vaporization of 1 mol of...
may absorb 11. Carbon monoxide rcacts with oxygen to form carbon dionide 2 CO(g)+ 0(g)2 COg)...
may absorb 11. Carbon monoxide rcacts with oxygen to form carbon dionide 2 CO(g)+ 0(g)2 COg) In a 1.00 L flask, 4.30 atm of CO reacts with 2.50 atm of O. Assuming that the temperature remains constant, what is the final pressure in the flask? a. 4.30 atm b. 6.80 atm 1.80 atm d. 4.65 atm 2.50 atm c. e. 12. A balloon is filled with He gas to a volume of 2.10 L at 35 °C. The baloon is...
13. The resistivity of aluminum at 25 'C has been measured to be 2.72 x 10-8 0 m. The thermal coefficient of resistivity of aluminum at 0 C is 4.29 x 10-3 K-1. Aluminum has a valency of 3, a d...
13. The resistivity of aluminum at 25 'C has been measured to be 2.72 x 10-8 0 m. The thermal coefficient of resistivity of aluminum at 0 C is 4.29 x 10-3 K-1. Aluminum has a valency of 3, a density of 2.70 g cm3, and an atomic mass of 27 a. Calculate the resistivity of aluminum at-40°С. (Ans: 2.03 x 103 Ω m) b. What is the thermal coefficient of resistivity at-40'C? (Ans: 5.23x 103K c. Estimate the mean...
A steel block of mass 6.4 kg is originally at a temperature of 18°C and 1...
A steel block of mass 6.4 kg is originally at a temperature of
18°C and 1 atm.
A steel block of mass 6.4 kg is originally at a temperature of 18°C and 1 atm. It is then heated to a temperature of 68°C without any change in pressure. The specific heat of steel is 452 J/(kg . °C), its density is 7.85 x 103 kq/m3, and the coefficient of linear expansion is 12 x 10-6/oc. (a) Determine the work done...
number 11 (b) dipole-dipole attraction (c) hydrogen bond Define components of this equation: h = (2T...
number 11
(b) dipole-dipole attraction (c) hydrogen bond Define components of this equation: h = (2T cos θ )/ (rp Use the given equation above to answer this question. At 35°C, how high will water rise in a glass capillary tube with an inner diameter of 0.5 mm? For water, T-71.99 mN/m and p-10 g/cm3 8. 9. 10. The density of liquid sample of NH3 is 0.64 g/mL; the density of same sample in gaseaus phase at 25 "C, 1...
The average coefficient of volume expansion for carbon tetrachloride is 5.81 x 10-4 (°C)-1. If a 45.0-gal steel container is filled completely with carbon tetrachloride when the temperature is 10.0°C, how much will spill over when the temperature rises to 25.5°C? (Assume the coefficient of thermal expansion of steel is 11 x 10 (°C)-1.) 397575 X gal Your answer is incorrect.
Final Exam(1) Accessibility M Carbon tetrachloride (CCl) diffuses at 25°C in a dilute solution of benzene. The experimental diffusivity is: 1.92*10 cm2/s at 25 C. a) Explain using two film theory model the mass transfer of carbon tetrachloride into benzene with the help of a diagram. (2 Marks) b) Select two models to estimate diffusivity coefficient at 25°C. (6 Marks) c) Explain numerically which model gives better prediction and why in terms of assumptions. (2 Marks) Data: Association factor of...
The density of K(s) is 0.862 g/cm3. Estimate the change in chemical potential of K(s) if the pressure is increased from 1.00 x 10 Pa to 1.20 x 10 Pa. The molar entropy of C12(9) is 223.07 J/mol-K at 298 K. Estimate the change in the chemical potential of Cl2(9) if the temperature is increased to 450 K.
A lead block of mass 7.0 kg is originally at a temperature of 15°C and 1 atm. It is then heated to a temperature of 64°C without any change in pressure. The specific heat of lead is 128 J/(kg - °C), its density is 1.13 x 104 kg/m3, and the coefficient of linear expansion is 29 x 10 -6/oC (a) Determine the work done by the lead block (b) How much heat energy is transferred during this process? J (c)...
1. (8 pts) Virtually every pchem textbook has a table of enthalpy values for 25°C. One use for these may be to calculate the enthalpy for a phase change such as compounds boil at 25°C. You are going to calculate the percent difference between the heat of vaporization of ethanol using data for 25°C and that at its boiling point of 78°C. boiling. However, not too many a) Write the chemical equation that shows the vaporization of 1 mol of...
may absorb 11. Carbon monoxide rcacts with oxygen to form carbon dionide 2 CO(g)+ 0(g)2 COg) In a 1.00 L flask, 4.30 atm of CO reacts with 2.50 atm of O. Assuming that the temperature remains constant, what is the final pressure in the flask? a. 4.30 atm b. 6.80 atm 1.80 atm d. 4.65 atm 2.50 atm c. e. 12. A balloon is filled with He gas to a volume of 2.10 L at 35 °C. The baloon is...
13. The resistivity of aluminum at 25 'C has been measured to be 2.72 x 10-8 0 m. The thermal coefficient of resistivity of aluminum at 0 C is 4.29 x 10-3 K-1. Aluminum has a valency of 3, a density of 2.70 g cm3, and an atomic mass of 27 a. Calculate the resistivity of aluminum at-40°С. (Ans: 2.03 x 103 Ω m) b. What is the thermal coefficient of resistivity at-40'C? (Ans: 5.23x 103K c. Estimate the mean...
A steel block of mass 6.4 kg is originally at a temperature of
18°C and 1 atm.
A steel block of mass 6.4 kg is originally at a temperature of 18°C and 1 atm. It is then heated to a temperature of 68°C without any change in pressure. The specific heat of steel is 452 J/(kg . °C), its density is 7.85 x 103 kq/m3, and the coefficient of linear expansion is 12 x 10-6/oc. (a) Determine the work done...
number 11
(b) dipole-dipole attraction (c) hydrogen bond Define components of this equation: h = (2T cos θ )/ (rp Use the given equation above to answer this question. At 35°C, how high will water rise in a glass capillary tube with an inner diameter of 0.5 mm? For water, T-71.99 mN/m and p-10 g/cm3 8. 9. 10. The density of liquid sample of NH3 is 0.64 g/mL; the density of same sample in gaseaus phase at 25 "C, 1...
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