Zinc (Zn) granules react slowly with dilute hydrochloric acid (HCI), but much faster if the acid is concentrates Zn(e) + 2HCI(aq) ZnCl2(aq) + H2(9) Zinc + Hydrochloric Acid Zinc Chloride + Hydrogen What causes the reaction to proceed faster with concentrated acid? O The concentrated hydrochloric acid causes more hydrogen gas to be produced. O The pressure of hydrogen gas molecules increases as concentration increases. The concentrated hydrochloric acid molecules move faster than in dilute acid. There are more collisions between the zinc and concentrated hydrochloric acid.
Zinc (Zn) granules react slowly with dilute hydrochloric acid (HCI), but much faster if the acid is concentrates Zn(e) + 2HCI(aq) ZnCl2(aq) + H2(9) Zinc + Hydrochloric Acid Zinc Chloride + Hydrogen What causes the reaction to proceed faster with concentrated acid? O The concentrated hydrochloric acid causes more hydrogen gas to be produced. O The pressure of hydrogen gas molecules increases as concentration increases. The concentrated hydrochloric acid molecules move faster than in dilute acid. There are more collisions between the zinc and concentrated hydrochloric acid.
Chemistry: Matter and Change
1st Edition
ISBN:9780078746376
Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
Chapter18: Acids And Bases
Section: Chapter Questions
Problem 9STP
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Transcribed Image Text:PAP Chemistry-2903012-42100P-1/ Le Chatelier's Principle/ Lesson 128
2. Zinc (Zn) granules react slowly with dilute hydrochloric acid (HCI), but much faster if the acid is concentrated.
Zn(s)
2HCI(aq)ZnCl2(aq) + H2(g)
Zinc + Hydrochloric Acid Zinc Chloride + Hydrogen
What causes the reaction to proceed faster with concentrated acid?
The concentrated hydrochloric acid causes more hydrogen gas to be produced.
The pressure of hydrogen gas molecules increases as concentration increases.
The concentrated hydrochloric acid molecules move faster than in dilute acid.
There are more collisions between the zinc and concentrated hydrochloric acid.
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