3. You also described what happened when you placed the copper metal in the zinc nitrate solution with and without the battery. 3.1 Write the equation describing the chemical change that occurred when no battery was used. 3.2 Write the equation describing the chemical change that occurred when the 9V battery was used. Please Write clearly CuSO4Obserations:Oxidation-Reduction reactions:Zn + CuSO4(9V-positive terminal)graphite(9V- negative terminal)ObservationsZn + CuSO4 (No current) Zinc turned black in CuSO4, Copper had NC in zinc nitrateCu + Zn(NO3)2(No Current)Cu + Zn(NO3)2(9V - negative terminal)graphite(9V-positive terminal)H₂SO4 (9V)H₂SO4 (ignition of gas)With no NH3Pale blue dropWith NH3Slightly paler blueBlack coating coming off the Zn and moving towards the graphiteTurned BlackTurning orange and breaking up, reaching towards the ZNGraphite appeared to dissolve into gray liquid which movedtowards the copperFormed a gas which pushed the H₂SO4 out of the pipetteMade a popping sound and we felt the pipette 'pop'

To describe the changes which takes place when the copper metal is dissolved in the zinc nitrate…

Answered: You also described what happened when…

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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3. You also described what happened when you placed the copper metal in the zinc nitrate solution with and without the battery.

3.1 Write the equation describing the chemical change that occurred when no battery was used.



3.2 Write the equation describing the chemical change that occurred when the 9V battery was used.

Please Write clearly

CuSO4
Obserations:
Oxidation-Reduction reactions:
Zn + CuSO4
(9V-positive terminal)
graphite
(9V- negative terminal)
Observations
Zn + CuSO4 (No current) Zinc turned black in CuSO4, Copper had NC in zinc nitrate
Cu + Zn(NO3)2
(No Current)
Cu + Zn(NO3)2
(9V - negative terminal)
graphite
(9V-positive terminal)
H₂SO4 (9V)
H₂SO4 (ignition of gas)
With no NH3
Pale blue drop
With NH3
Slightly paler blue
Black coating coming off the Zn and moving towards the graphite
Turned Black
Turning orange and breaking up, reaching towards the ZN
Graphite appeared to dissolve into gray liquid which moved
towards the copper
Formed a gas which pushed the H₂SO4 out of the pipette
Made a popping sound and we felt the pipette 'pop'

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