What results would suggest a faster reaction rate in this equation: Zn + 2HCl --> ZnCl2 + H2?

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What results would suggest a faster reaction rate in this equation: Zn + 2HCl --> ZnCl2 + H2?

2007-04-25 15:09:41 · 2 answers · asked by W 1 in Science & Mathematics ➔ Chemistry

2 answers

To increase the reaction rate

Increase the temperature
Increase the surface area by grinding down the Zn
Agitation
Increase the concentration of the acid

2007-04-25 15:13:17 · answer #1 · answered by reb1240 7 · 0⤊ 0⤋

Finely powdered zinc greatly accelerates the reaction. You would observe more vigorous bubbling of hydrogen if collected over water. Don't do this with powdered zinc!

2007-04-25 22:17:38 · answer #2 · answered by Robert J 2 · 0⤊ 0⤋