In the laboratory, hydrogen gas is usually made by the following reaction Zn(s)+ 2HCl (Aq) - H2(g) +ZnCl(aq) How many liters of H2 gas , Collected over water at the atmospheric pressure of 751mm Hg and a temperature of 21.0 degree Celsius, can be made from 3.372 g of Zn and excess HCI ? The partial pressure of water vapor is 18.65mm Hg at 21.0 degree Celsius 9. In the laboratory, hydrogen gas is usually made by the following reaction:Zn(s) + 2 HCI(aq) → H2(g) + ZnCl2(aq)How many liters of H2 gas, collected over water at an atmospheric pressure of 751 mmHg and a temperature of 21.0°C, can be made from 3.372 g of Zn and excess HCl? Thepartial pressure of water vapor is 18.65 mm Hg at 21.0°C. (8 points)10. At what temperature will sulfur hexafluoride molecules have the same average speed asargon atoms at 23°C? (5 points)b0eg nerw moty di vd zolno banieg wnown gas effuses 3.7 times faster than N,04 at the same temperature. Whar mass of the unknown gas? (4 points)

The three gas laws namely Boyles law , charles law and avagadros law are combined to obtain…

Answered: of H2 gas , Collected over water at the…

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter5: Gases

Section: Chapter Questions

Problem 75E

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In the laboratory, hydrogen gas is usually made by the following reaction Zn(s)+ 2HCl (Aq) - H2(g) +ZnCl(aq) How many liters of H2 gas , Collected over water at the atmospheric pressure of 751mm Hg and a temperature of 21.0 degree Celsius, can be made from 3.372 g of Zn and excess HCI ? The partial pressure of water vapor is 18.65mm Hg at 21.0 degree Celsius

9. In the laboratory, hydrogen gas is usually made by the following reaction:
Zn(s) + 2 HCI(aq) → H2(g) + ZnCl2(aq)
How many liters of H2 gas, collected over water at an atmospheric pressure of 751 mm
Hg and a temperature of 21.0°C, can be made from 3.372 g of Zn and excess HCl? The
partial pressure of water vapor is 18.65 mm Hg at 21.0°C. (8 points)
10. At what temperature will sulfur hexafluoride molecules have the same average speed as
argon atoms at 23°C? (5 points)
b0eg nerw moty di vd zolno banieg w
nown gas effuses 3.7 times faster than N,04 at the same temperature. Wh
ar mass of the unknown gas? (4 points)

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