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Predict whether a reaction takes place in each of the following instances. a)Tin metal is added to hydrochloric acid. b)Iron metal is added to cold water. c) Potassium metal is added to cold water. d) Zinc metal is added to hot water or exposed to steam. e) Silver metal is added to hot water or exposed to steam

Predict whether a reaction takes place in each of the following instances. a)Tin metal is added to hydrochloric acid. b)Iron metal is added to cold water. c) Potassium metal is added to cold water. d) Zinc metal is added to hot water or exposed to steam. e) Silver metal is added to hot water or exposed to steam

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 18.103QE
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I)Predict whether a reaction takes place in each of the following instances.

a)Tin metal is added to hydrochloric acid.

b)Iron metal is added to cold water.

c) Potassium metal is added to cold water.

d) Zinc metal is added to hot water or exposed to steam.

e) Silver metal is added to hot water or exposed to steam

II)What is the molar hydronium ion concentration ([H3O+]) of a solution with pH = 8.22?

III)What volume of a 2.00 M aqueous KOH solution would be needed to neutralize 210.0 mL of 0.0450 M aqueous HCl?

IV)

Solution A has [H3O+] = 1.0×10-7 M
Solution B has [H3O+] = 2.2×10-7 M
Solution C has [OH-] = 9.5×10-9 M
Solution D has [OH-] = 2.0×10-8 M

Which solution is the least basic?
Which solution has the highest pH?
 Which solution has the lowest pH?
 Which solution is the least acidic?

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