6. A 10 kg copper block has an initial temperature of 800 K. It is placed in a well-insulated vessel containing 100 kg of water initially at 290 K. The process is isobaric at atmospheric pressure. Assume copper and liquid water have constant heat capacity of Cp = 4184 J/kg K for water and 398 J/kg-K for copper. What is the change in entropy of the universe resulting from the process? [CO3]

6. A 10 kg copper block has an initial temperature of 800 K. It is placed in a well-insulated vessel containing 100 kg of water initially at 290 K. The process is isobaric at atmospheric pressure. Assume copper and liquid water have constant heat capacity of Cp = 4184 J/kg K for water and 398 J/kg-K for copper. What is the change in entropy of the universe resulting from the process? [CO3]

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The standard enthalpies of formation, at 25.00°C, of methanol (CH4O(l)), water (H2O(l)), and carbon dioxide (CO2(g)) are -238.7 kJ/mol, -285.8 kJ/mol, and -393.5 kJ/mol respectively. What is the change in surrounding entropy (in J/K) when burning 12.1 g of methanol under a constant pressure of 1,000 atm at 25.00° (N.B., combustion is the reaction of a substance with molecular oxygen to produce water and carbon dioxide)?
In a reaction, 1.00 mole of H2 is produced at a constant pressure of 1.00 atm and at 298 K (1 L atm = 101.3 J): 2 H2O(g) → 2 H2(g) + O2(g) ΔH° = +483.6 kJ mol–1 How much heat is exchanged in this reaction? +483.6 kJ +967.2 kJ +241.8 kJ
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