Asked by Anonymous
1. what would happen to the the cell potential in a voltaic cell if the salt bridge lost contact with one of the solutions?
2. would a reaction occur if solid tin was placed in a solution of copper II nitrate? If so, write the balanced net ionic equation for the reaction.
2. would a reaction occur if solid tin was placed in a solution of copper II nitrate? If so, write the balanced net ionic equation for the reaction.
Answers
Answered by
DrBob222
1. The cell potential would drop to zero since the circuit has been broken.
2. Yes, Sn will displace Cu^2+.
Sn(s) + Cu^2+ ==> Sn(2^+) + Cu(s)
Here is the activity series.
https://www.google.com/search?q=activity+series&tbm=isch&imgil=COkl6kSFzOOkZM%253A%253BO97ZY4ZQ8eeUCM%253Bhttp%25253A%25252F%25252Farchives.jesuitnola.org%25252Fupload%25252Fclark%25252FRefs%25252Fsolu_act.htm&source=iu&pf=m&fir=COkl6kSFzOOkZM%253A%252CO97ZY4ZQ8eeUCM%252C_&usg=__sGCXOYhWi1CGYCv55IB5bG69IkQ%3D&biw=1024&bih=609&dpr=1.25&ved=0CDQQyjc&ei=NZFbVfuON4uWNtTKgegI#imgrc=COkl6kSFzOOkZM%253A%3BO97ZY4ZQ8eeUCM%3Bhttp%253A%252F%252Farchives.jesuitnola.org%252Fupload%252Fclark%252FRefs%252Fact_series.gif%3Bhttp%253A%252F%252Farchives.jesuitnola.org%252Fupload%252Fclark%252FRefs%252Fsolu_act.htm%3B398%3B399
These are single replacement reactions. Any METAL will displace the ION of a metal below it in the activity series.
Note that Cu + Sn(NO3)2 ==> no reaction since Cu is BELOW Sn.
2. Yes, Sn will displace Cu^2+.
Sn(s) + Cu^2+ ==> Sn(2^+) + Cu(s)
Here is the activity series.
https://www.google.com/search?q=activity+series&tbm=isch&imgil=COkl6kSFzOOkZM%253A%253BO97ZY4ZQ8eeUCM%253Bhttp%25253A%25252F%25252Farchives.jesuitnola.org%25252Fupload%25252Fclark%25252FRefs%25252Fsolu_act.htm&source=iu&pf=m&fir=COkl6kSFzOOkZM%253A%252CO97ZY4ZQ8eeUCM%252C_&usg=__sGCXOYhWi1CGYCv55IB5bG69IkQ%3D&biw=1024&bih=609&dpr=1.25&ved=0CDQQyjc&ei=NZFbVfuON4uWNtTKgegI#imgrc=COkl6kSFzOOkZM%253A%3BO97ZY4ZQ8eeUCM%3Bhttp%253A%252F%252Farchives.jesuitnola.org%252Fupload%252Fclark%252FRefs%252Fact_series.gif%3Bhttp%253A%252F%252Farchives.jesuitnola.org%252Fupload%252Fclark%252FRefs%252Fsolu_act.htm%3B398%3B399
These are single replacement reactions. Any METAL will displace the ION of a metal below it in the activity series.
Note that Cu + Sn(NO3)2 ==> no reaction since Cu is BELOW Sn.
Answered by
Anonymous
thank you
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