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Solved: Construct a Born–Haber cycle for the formation of
Chapter , Problem 83AE(choose chapter or problem)
Hydrogen gas is produced when zinc reacts with sulfuric acid:
\(\mathrm{Zn}(s)+\mathrm{H}_{2} \mathrm{SO}_{4}(a q) \longrightarrow \mathrm{ZnSO}_{4}(a q)+\mathrm{H}_{2}(g)\)
If 159 mL of wet \(\mathrm{H}_{2}\) is collected over water at 24°C and a barometric pressure of 738 torr. how many grams of Zn have been consumed (The vapor pressure of water is tabulated in Appendix B.)
Questions & Answers
QUESTION:
Hydrogen gas is produced when zinc reacts with sulfuric acid:
\(\mathrm{Zn}(s)+\mathrm{H}_{2} \mathrm{SO}_{4}(a q) \longrightarrow \mathrm{ZnSO}_{4}(a q)+\mathrm{H}_{2}(g)\)
If 159 mL of wet \(\mathrm{H}_{2}\) is collected over water at 24°C and a barometric pressure of 738 torr. how many grams of Zn have been consumed (The vapor pressure of water is tabulated in Appendix B.)
ANSWER:
Step 1 of 3
According to the ideal gas equation,
\(P V=nRT\)..............................(1)
Rearrange the formula (1)
\(n=\frac{P V}{R T}\)......................(2)
Here,
P = Pressure of the gas
R = Gas constant
V = Volume of the gas
T = Temperature
n = Number of moles of the gas