Problems 00.1 to Jm 0.20 os Istom gM log 00. gaibbA00. 6.61. Designing Cold Packs If you were designing a chemical cold pack, which of the following salts would you choose to provide the greatest drop in temperature per gram: NH4Cl 28900(AHsoln = 14.6 kJ/mol), NH4NO3 (AHsoln = 25.7 kJ/mol), or NaNO3 (AHsoln = 20.4 kJ/mol)?

Problems 00.1 to Jm 0.20 os Istom gM log 00. gaibbA00. 6.61. Designing Cold Packs If you were designing a chemical cold pack, which of the following salts would you choose to provide the greatest drop in temperature per gram: NH4Cl 28900(AHsoln = 14.6 kJ/mol), NH4NO3 (AHsoln = 25.7 kJ/mol), or NaNO3 (AHsoln = 20.4 kJ/mol)?

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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B. Under which conditions (always, never, high T, low T) will the following reactions proceed? AH = +1270 kJ/mol All = -206.1 kJ/mol FOR AH-92.22 kJ/mol Afl = +131.3 kJ/mol AH = -3352 kJ/mol $371 AH-164.1 kJ/mol 7. 2NH₂NO3(s)-2N gg) → H₂O(g) + O₂(g) = -236.0 kJ/mol 8. H₂O(1) H₂O(s) ▸ AHjs = +6.01 kJ/mol 9. 30g/g)→20,(g) AH=+28.4kJ/mol 10. NH₂Cl(s)→→NH₂ + (aq)+CI (aq) 3/= +14.7kJ/mol
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