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1- Which of the following mixtures is not a buffer and calculate its pH: (K,=K, =1.8 x 10) a. 25ml 0 IM HO 4c mixed with 1Sml 0 IME Na04c h25mLO IM NH, mivedd with 10al 0 IM NH.CI

1- Which of the following mixtures is not a buffer and calculate its pH: (K,=K, =1.8 x 10) a. 25ml 0 IM HO 4c mixed with 1Sml 0 IME Na04c h25mLO IM NH, mivedd with 10al 0 IM NH.CI

Chemistry
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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1- Which of the following mixtures is not a buffer and calculate its pH: (K,-K, =1.8 x 10) a- 25ml 0.IM HOAc mixed with 15ml 0.IM NaOAc b- 25ml 0.IM NH3 mixed with 10ml 0.IM NH.CI e- 25ml 0.IM NH, mixed with 25ml 0.IM HCI d-25ml 0.IM HOAC mixed with 10ml 0.1M NAOH 2- A sample consists of 2 mole of perfect (ideal) gas at 250K is compressed reversibly and adiabatically until its temperature reaches 300K. Given that Cv-27.5 JKmolr". The values of q, w, AE, AH and AS are: a- (0, 2750J, 2750J, 3581.4J, 0) b- (0, 1246.5J, 2750, 0, 0) c- (0,0, 5750J, 755J, 0) d. none of them
Transcribed Image Text:1- Which of the following mixtures is not a buffer and calculate its pH: (K,-K, =1.8 x 10) a- 25ml 0.IM HOAc mixed with 15ml 0.IM NaOAc b- 25ml 0.IM NH3 mixed with 10ml 0.IM NH.CI e- 25ml 0.IM NH, mixed with 25ml 0.IM HCI d-25ml 0.IM HOAC mixed with 10ml 0.1M NAOH 2- A sample consists of 2 mole of perfect (ideal) gas at 250K is compressed reversibly and adiabatically until its temperature reaches 300K. Given that Cv-27.5 JKmolr". The values of q, w, AE, AH and AS are: a- (0, 2750J, 2750J, 3581.4J, 0) b- (0, 1246.5J, 2750, 0, 0) c- (0,0, 5750J, 755J, 0) d. none of them
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