Given the following data on Phosphorus and its allotropes o ∆Hf kJ mol-1 ∆Gfo kJmol-1 So J mol-1 K-1 White phosphorus, P(s, white) 0 0 0 Gaseous Phosphorus, P(g) 315 278 163 Gaseous Phosphorus, P4(g) 59 24 280 b) For the transformation P(g) -> ¼ P4(g), is work done by the system or on the system? How much work is involved? Explain with solutions. c) Calculate the ∆E in kJ for the process P(g) ¼ P4(g) in (b). d) Calculate the sublimation temperature for white Phosphorus (in oC) assuming constant values of enthalpy and entropy over the temperature range involved.
Given the following data on Phosphorus and its allotropes o ∆Hf kJ mol-1 ∆Gfo kJmol-1 So J mol-1 K-1 White phosphorus, P(s, white) 0 0 0 Gaseous Phosphorus, P(g) 315 278 163 Gaseous Phosphorus, P4(g) 59 24 280 b) For the transformation P(g) -> ¼ P4(g), is work done by the system or on the system? How much work is involved? Explain with solutions. c) Calculate the ∆E in kJ for the process P(g) ¼ P4(g) in (b). d) Calculate the sublimation temperature for white Phosphorus (in oC) assuming constant values of enthalpy and entropy over the temperature range involved.
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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) Given the following data on Phosphorus and its allotropes
o
| ∆Hf kJ mol-1 | ∆Gfo kJmol-1 | So J mol-1 K-1 | |
| White phosphorus, P(s, white) | 0 | 0 | 0 |
Gaseous Phosphorus, P(g) |
315 | 278 | 163 |
| Gaseous Phosphorus, P4(g) | 59 | 24 | 280 |
b) For the transformation P(g) -> ¼ P4(g), is work done by the system or on the system? How much work is involved? Explain
with solutions.
c) Calculate the ∆E in kJ for the process P(g) ¼ P4(g) in (b).
d) Calculate the sublimation temperature for white Phosphorus (in oC) assuming constant values of enthalpy and entropy
over the temperature range involved.
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