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Cobalt(II)-chloride system 1. Prepare two test tubes (T1,T2). T1 serves as the control. 2. To both test tubes, add 1 mL 0. 10 M CoCl Note the color of the solution. 3. To T2, add concentrated HC1 dropwise until a color change occurs. Predominant species responsible for color Condition Color of solution Before adding HCı After adding HC1 In warm bath Back to ambient bath In cold bath Give the reaction equilibrium that describes this system: Is the forward reaction (as written above) endothermic or exothermic?

Cobalt(II)-chloride system 1. Prepare two test tubes (T1,T2). T1 serves as the control. 2. To both test tubes, add 1 mL 0. 10 M CoCl Note the color of the solution. 3. To T2, add concentrated HC1 dropwise until a color change occurs. Predominant species responsible for color Condition Color of solution Before adding HCı After adding HC1 In warm bath Back to ambient bath In cold bath Give the reaction equilibrium that describes this system: Is the forward reaction (as written above) endothermic or exothermic?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Cobalt(II)-chloride system 1. Prepare two test tubes (T1,T2). T1 serves as the control. 2. To both test tubes, add 1 ml 0. 10 M CoCl, Note the color of the solution. 3. To T2, add concentrated HCl dropwise until a color change occurs. Condition Color of solution Predominant species responsible for color Before adding HCi After adding HC1 In warm bath Back to ambient bath In cold bath Give the reaction equilibrium that describes this system: Is the forward reaction (as written above) endothermic or exothermic?
Transcribed Image Text:Cobalt(II)-chloride system 1. Prepare two test tubes (T1,T2). T1 serves as the control. 2. To both test tubes, add 1 ml 0. 10 M CoCl, Note the color of the solution. 3. To T2, add concentrated HCl dropwise until a color change occurs. Condition Color of solution Predominant species responsible for color Before adding HCi After adding HC1 In warm bath Back to ambient bath In cold bath Give the reaction equilibrium that describes this system: Is the forward reaction (as written above) endothermic or exothermic?
Chemical Concentration Risk phrases Safety phrases Feso. 0.10 M None listed None listed AgNO, 0.10 M 36/38, 50/53 26,57,60 KĻF¢(CN), None listed 0.10 M None listed KSCN 0.10 M None listed None listed HCI 12.1 M (concentrated) 34,37 25,45 Cuso, None listed 0.10 M None listed NH, 1м None listed None listed K,Cro, 0.10 M 25,36/37/38,43,46,49 None listed K_Cr.0, 0.10 M 45,46,20/21,51/53 53,36/37,45,61 H sO, 2.0 M None listed None listed NAOH 2.0 M None listed None listed FeCl, 0.10 M 22,38,41 26,39 CoCl, 0.10 M 49,60,68,42/43,51/53 23,36/37,45,61
Transcribed Image Text:Chemical Concentration Risk phrases Safety phrases Feso. 0.10 M None listed None listed AgNO, 0.10 M 36/38, 50/53 26,57,60 KĻF¢(CN), None listed 0.10 M None listed KSCN 0.10 M None listed None listed HCI 12.1 M (concentrated) 34,37 25,45 Cuso, None listed 0.10 M None listed NH, 1м None listed None listed K,Cro, 0.10 M 25,36/37/38,43,46,49 None listed K_Cr.0, 0.10 M 45,46,20/21,51/53 53,36/37,45,61 H sO, 2.0 M None listed None listed NAOH 2.0 M None listed None listed FeCl, 0.10 M 22,38,41 26,39 CoCl, 0.10 M 49,60,68,42/43,51/53 23,36/37,45,61
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