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1. Without a detailed calculations predict which of the following reactions will be spontaneous (hint: some of the reactions might require balancing) a. N2(g) + H2(g) → NH3(g) b. H2 (g) + O2 (g) → H2O (1) c. 2C (g) + 3B (g) → C2B3 (s) d. None of the above e. All the above 2. Without a detailed calculations predict which of the following reactions will be spontaneous (hint: some of the reactions might require balancing) a. H₂O (1) b. NH3 (g) → H2 (g) + O2 (g) N2 (g) + H2 (g) c. C2B3 (s) → 2C (g) + 3 B (g) on to erot d. None of the above e. All the above 3. If the entropy of an unknow gas is 20.5 J/mol K and its enthalpy is 567 J/mol. Determine its melting point a. 0.0362 K b. 27.7 K the plot of concentrat c. 362 K d. 362 k e. None of the above 4. If the entropy of an unknow sample is 40.51 J/mol K and its enthalpy is 4.58 kJ/mol. Determine its melting point a. 11.3 K b. 113 K c. 8.84 K d. 0.113 K e. None of the above

1. Without a detailed calculations predict which of the following reactions will be spontaneous (hint: some of the reactions might require balancing) a. N2(g) + H2(g) → NH3(g) b. H2 (g) + O2 (g) → H2O (1) c. 2C (g) + 3B (g) → C2B3 (s) d. None of the above e. All the above 2. Without a detailed calculations predict which of the following reactions will be spontaneous (hint: some of the reactions might require balancing) a. H₂O (1) b. NH3 (g) → H2 (g) + O2 (g) N2 (g) + H2 (g) c. C2B3 (s) → 2C (g) + 3 B (g) on to erot d. None of the above e. All the above 3. If the entropy of an unknow gas is 20.5 J/mol K and its enthalpy is 567 J/mol. Determine its melting point a. 0.0362 K b. 27.7 K the plot of concentrat c. 362 K d. 362 k e. None of the above 4. If the entropy of an unknow sample is 40.51 J/mol K and its enthalpy is 4.58 kJ/mol. Determine its melting point a. 11.3 K b. 113 K c. 8.84 K d. 0.113 K e. None of the above

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter10: Entropy And The Second Law Of Thermodynamics
Section: Chapter Questions
Problem 10.50PAE: For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then...
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1. Without a detailed calculations predict which of the following reactions will be spontaneous (hint: some of the reactions might require balancing) a. N2(g) + H2(g) → NH3(g) b. H2 (g) + O2 (g) → H2O (1) c. 2C (g) + 3B (g) → C2B3 (s) d. None of the above e. All the above 2. Without a detailed calculations predict which of the following reactions will be spontaneous (hint: some of the reactions might require balancing) a. H₂O (1) b. NH3 (g) → H2 (g) + O2 (g) N2 (g) + H2 (g) c. C2B3 (s) → 2C (g) + 3 B (g) on to erot d. None of the above e. All the above 3. If the entropy of an unknow gas is 20.5 J/mol K and its enthalpy is 567 J/mol. Determine its melting point a. 0.0362 K b. 27.7 K the plot of concentrat c. 362 K d. 362 k e. None of the above 4. If the entropy of an unknow sample is 40.51 J/mol K and its enthalpy is 4.58 kJ/mol. Determine its melting point a. 11.3 K b. 113 K c. 8.84 K d. 0.113 K e. None of the above
Transcribed Image Text:1. Without a detailed calculations predict which of the following reactions will be spontaneous (hint: some of the reactions might require balancing) a. N2(g) + H2(g) → NH3(g) b. H2 (g) + O2 (g) → H2O (1) c. 2C (g) + 3B (g) → C2B3 (s) d. None of the above e. All the above 2. Without a detailed calculations predict which of the following reactions will be spontaneous (hint: some of the reactions might require balancing) a. H₂O (1) b. NH3 (g) → H2 (g) + O2 (g) N2 (g) + H2 (g) c. C2B3 (s) → 2C (g) + 3 B (g) on to erot d. None of the above e. All the above 3. If the entropy of an unknow gas is 20.5 J/mol K and its enthalpy is 567 J/mol. Determine its melting point a. 0.0362 K b. 27.7 K the plot of concentrat c. 362 K d. 362 k e. None of the above 4. If the entropy of an unknow sample is 40.51 J/mol K and its enthalpy is 4.58 kJ/mol. Determine its melting point a. 11.3 K b. 113 K c. 8.84 K d. 0.113 K e. None of the above
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