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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 by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter15: Equilibria Of Other Reaction Classes
Section: Chapter Questions
Problem 51E: Magnesium metal (a component of alloys used in aircraft and a reducing agent used in the production...
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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
Transcribed Image Text: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
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