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3. Calculate the change in entropy when 50.0 g of ethanol at 50.0 °C is poured into 70.0 g of ethanol at 10.0°C in...
Calculate the change in entropy that occurs when 18.02 g of ice at –17.5°C is placed...
Calculate the change in entropy that occurs when 18.02 g of ice at –17.5°C is placed in 90.08 g of water at 100.0°C in a perfectly insulated vessel. Assume that the molar heat capacities for H2O(s) and H2O(l) are 37.5 J K^-1 mol^-1 and 75.3 J K^-1 mol^-1, respectively, and the molar enthalpy of fusion for ice is 6.01 kJ/mol. Change in entropy = ______J/K
a) Calculate the change in entropy when 50 g. of water at 800 C is poured...
a) Calculate the change in entropy when 50 g. of water at 800 C is poured into 100 g. of water at 100 C in an insulated vessel. I'm not sure what the answer is please try your best.
Physical Chemistry Calculate the change in entropy when one mole of metallic aluminum is heated at...
Physical Chemistry
Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure from an initial temperature of 25 °C to a final temperature of 750 °C. The molar heat capacities of solid and liquid aluminum at one bar pressure are 29.2 J mol K1 and 31.75 J mol K, respectively. The specific enthalpy of fusion of aluminum at its melting point (660.46 °C) is 396.57 J g1. The molar mass of aluminum is...
Calculate the change in entropy when one mole of metallic aluminum is heated at one bar...
Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure from an initial temperature of 25 °C to a final temperature of 750 °C. The molar heat capacities of solid and liquid aluminum at one bar pressure are 29.2 J mol' K and 31.75 J mol' K, respectively. The specific enthalpy of fusion of aluminum at its melting point (660.46 °C) is 396.57 J g! The molar mass of aluminum is 26.98 g...
Calculate the entropy change (J/K) for the vaporization of 14.4 g of a hydrocarbon (88 g/mole]),...
Calculate the entropy change (J/K) for the vaporization of 14.4 g of a hydrocarbon (88 g/mole]), at its boiling point of 86.8°C. The enthalpy of vaporization of this hydrocarbon is 25.1 kJ/mol. Enter to 2 decimal places.
The heat of fusion AH, of ethanol (CH3CH,OH) is 4.6 kJ/mol. Calculate the change in entropy AS when 563. g of ethanol f...
The heat of fusion AH, of ethanol (CH3CH,OH) is 4.6 kJ/mol. Calculate the change in entropy AS when 563. g of ethanol freezes at -114.3 °C Be sure your answer contains a unit symbol. Round your answer to 2 significant digits. to . ? X
change in Helmholtz free energy for this process? (-2862 kJ/mol) 7. Calculate the entropy change when...
change in Helmholtz free energy for this process? (-2862 kJ/mol) 7. Calculate the entropy change when 0.7760 moles of oxygen gas, a perfect gas, expands isothermally from a volume of 36.80 mL to 84.90 mLs. (ANS: 5.394 J/K) 8. The standard reaction enthalpy for the hydrogenation of propene, CH2=CHCH + 5O2 →
1. a) Calculate the change in entropy (AS) when one mole of diamond is heated from...
1. a) Calculate the change in entropy (AS) when one mole of diamond is heated from a temperature of 0 K to 400 K at a constant pressure of 1 bar. The temperature-dependent heat capacity of diamond is C 2.9x10 T J/(mol K), where T is the absolute temperature in K. b) Given that the entropy of diamond is zero at 0 K, calculate its absolute molar entropy (S) at 400 K from the above result.
A 10.0 g piece of iron (C = 0.443 J/g oC) initially at 97.6 oC is...
A 10.0 g piece of iron (C = 0.443 J/g oC) initially at 97.6 oC is placed in 50.0 g of water (C = 4.184 J/g oC) initially at 22.3 oC in an insulated container. The system is then allowed to come to thermal equilibrium. Assuming no heat flow to or from the surroundings, calculate the final temperature of the metal and water the change in entropy for the metal the change in entropy for the water the change in...
Calculate the change in entropy when one mole of metallic aluminum is heated at one bar...
Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure from an initial temperature of 25 ℃ to a final temperature of 750 ℃. The molar heat capacities of solid and liquid aluminum at one bar pressure are 29.2 J mol-1 K-1 and 31.75 J mol-1 K-1, respectively. The specific enthalpy of fusion of aluminum at its melting point (660.46 ℃) is 396.57 J g-1. The molar mass of aluminum is 26.98 g...
Physical Chemistry
Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure from an initial temperature of 25 °C to a final temperature of 750 °C. The molar heat capacities of solid and liquid aluminum at one bar pressure are 29.2 J mol K1 and 31.75 J mol K, respectively. The specific enthalpy of fusion of aluminum at its melting point (660.46 °C) is 396.57 J g1. The molar mass of aluminum is...
Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure from an initial temperature of 25 °C to a final temperature of 750 °C. The molar heat capacities of solid and liquid aluminum at one bar pressure are 29.2 J mol' K and 31.75 J mol' K, respectively. The specific enthalpy of fusion of aluminum at its melting point (660.46 °C) is 396.57 J g! The molar mass of aluminum is 26.98 g...
The heat of fusion AH, of ethanol (CH3CH,OH) is 4.6 kJ/mol. Calculate the change in entropy AS when 563. g of ethanol freezes at -114.3 °C Be sure your answer contains a unit symbol. Round your answer to 2 significant digits. to . ? X
change in Helmholtz free energy for this process? (-2862 kJ/mol) 7. Calculate the entropy change when 0.7760 moles of oxygen gas, a perfect gas, expands isothermally from a volume of 36.80 mL to 84.90 mLs. (ANS: 5.394 J/K) 8. The standard reaction enthalpy for the hydrogenation of propene, CH2=CHCH + 5O2 →
1. a) Calculate the change in entropy (AS) when one mole of diamond is heated from a temperature of 0 K to 400 K at a constant pressure of 1 bar. The temperature-dependent heat capacity of diamond is C 2.9x10 T J/(mol K), where T is the absolute temperature in K. b) Given that the entropy of diamond is zero at 0 K, calculate its absolute molar entropy (S) at 400 K from the above result.
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