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Chemistry
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ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
Consider the reaction
I2(g) + Cl2(g)2ICl(g)
Using standardthermodynamic data at 298K, calculate the entropy change for the surroundings when 2.42 moles of I2(g) react at standard conditions.
S°surroundings = J/K
I2(g) + Cl2(g)2ICl(g)
Using standard
S°surroundings = J/K
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- Consider the reaction:2CO(g) + 2NO(g)2CO2(g) + N2(g)Using standard thermodynamic data at 298K, calculate the free energy change when 1.72 moles of CO(g) react at standard conditions. G°rxn = kJarrow_forwardCalculate ASsurr and ASuniverse for a reaction. Consider the reaction H₂S(g) + 2H₂O(1)→→3H₂(g) + SO₂(g) Using standard thermodynamic data (in the Chemistry References), calculate the entropy change of the surroundings and the universe at 25°C. AS surroundings = ASuniverse J/K J/K where ASO = 294.7 J/K rxnarrow_forwardConsider the reaction: 4HCl(g) + O₂(g) → 2H₂O(g) + 2Cl₂ (g) Using standard absolute entropies at 298 K, calculate the entropy change for the system when 1.69 moles of HCl(g) react at standard conditions. AS⁰ Substance So (J/K mol) HCl(g) 186.9 O2(g) 205.1 H₂O(g) 188.8 Cl₂ (g) 223.1 system = J/Karrow_forward
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- Consider the reaction HCI(g) + NH3(g)- →NH4Cl(s) Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.34 moles of HCI(g) react at standard conditions. ASO surroundings = J/Karrow_forwardConsider the reactionH2(g) + C2H4(g)C2H6(g)Using standard thermodynamic data at 298K, calculate the entropy change for the surroundings when 2.42 moles of H2(g) react at standard conditions. S°surroundings = J/Karrow_forwardCalculate the change in the molar entropy of solid sodium chloride at constant pressure (1.00 bar) during heating from 0°C to 400°C. The constant-pressure molar heat capacity of NaCl(s) – which is not constant - takes the following form. 45.94 J 16.32 x 10-3 J T. Cp,m3 K mol K2 molarrow_forward
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