Search found 2 matches
- Mon Aug 21, 2017 8:48 pm
- Forum: Chemistry forum
- Topic: ESTEQUIOMETRIA
- Replies: 1
- Views: 3041
- Mon Aug 21, 2017 5:40 pm
- Forum: Chemistry forum
- Topic: voltaic cell gives unexpected voltage
- Replies: 1
- Views: 3245
voltaic cell gives unexpected voltage
A voltaic cell made with Cu l CuSO4 ll Fe l Fe(NO3)3 yielded a -0.420V when connected with black to Fe and red to Cu. The Cu has the lower Standard Reduction Potential(0.34V) so it should be oxidized( anode = black lead to meter) and the Fe(0.77V) should be reduced(cathode = red lead to meter) but t...