What is a key difference between an electrolytic cell and a voltaic cell? The anode is where the oxidation takes place. The cath

Bromothymol Blue: The pH range for this indicator is 6.0 to 7.5 and color change is from yellow to blue. It appears yellow below pH 6.0 and blue above pH 7.5
Bromocresol green: The pH range for this indicator is 3.5 to 6.0 and color change is from yellow to blue. It appears yellow below pH 3.5 and blue above pH 6.0
Thymol Blue: The pH range for this indicator is 8.0 to 9.6 and color change is from yellow to blue. It appears yellow below pH 8.0 and blue above pH 9.6

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3 years ago

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What is a key difference between an electrolytic cell and a voltaic cell? The anode is where the oxidation takes place. The cath

ode is where the reduction takes place. There are two half-reactions. There is an outside energy source. The electrons move from the anode to the cathode

Chemistry

1 answer:

Volgvan · Answer 1 · 2021-11-28T13:24:08+03:00

the answer is "There is an outside energy source." in voltaic cells, there is not need of an external source of energy because they involve spontaneous reactions.

in both types of cells, the electrons move from anode to cathode, the anode is where oxidation takes place and cathode for reduction (an ox, red cat). also both have two half reactions.