The zinc within a copper-plated penny will dissolve in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can get to the zinc). The reaction between the acid and the zinc is as follows: Part A 2H (aq)Zn(s) -> H2(g) Zn2(aq) What mass of hydrogen gas was collected? When the zinc in a certain penny dissolves, the total volume of gas collected over water at 25 °C was 0.957 L at a total pressure of 758 mm Hg . VASD η ΑΣφ Vapor Pressure of Water versus Temperature Temperature Pressure Temperature Pressure (mmHg) (° C) m = g (C) (mmHg) 4.58 118.2 0 55 Request Answer Submit 6.54 60 149.6 9.21 65 187.5 10 233.7 15 12.79 70 Return to Assignment Provide Feedback 20 17.55 289.1 75 25 23.78 355.1 80 85 433.6 30 31.86 35 42.23 525.8 90 40 55.40 633.9 95 45 760.0 71.97 100 92.6 50

The zinc within a copper-plated penny will dissolve in hydrochloric acid if the copper coating is filed down in several spots (so that the hydrochloric acid can get to the zinc). The reaction between the acid and the zinc is as follows: Part A 2H (aq)Zn(s) -> H2(g) Zn2(aq) What mass of hydrogen gas was collected? When the zinc in a certain penny dissolves, the total volume of gas collected over water at 25 °C was 0.957 L at a total pressure of 758 mm Hg . VASD η ΑΣφ Vapor Pressure of Water versus Temperature Temperature Pressure Temperature Pressure (mmHg) (° C) m = g (C) (mmHg) 4.58 118.2 0 55 Request Answer Submit 6.54 60 149.6 9.21 65 187.5 10 233.7 15 12.79 70 Return to Assignment Provide Feedback 20 17.55 289.1 75 25 23.78 355.1 80 85 433.6 30 31.86 35 42.23 525.8 90 40 55.40 633.9 95 45 760.0 71.97 100 92.6 50

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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