Riekena277 Riekena277

03-06-2015
Chemistry

Answered

A voltaic cell differs from an electrolytic cell in that in a voltaic cell
A. energy is produced when the reaction occurs
B. energy is required for the reaction to occur
C. both oxidation and reduction occur
D. neither oxidation nor reduction occurs

Answer :

stephenlee0912 stephenlee0912

04-06-2015

The answer is A. Voltaic cells couple oxidation and reduction half reactions to produce electromotive force from chemical potential energy. Electrolytic cells do the opposite in that they require electromotive force to store chemical energy.

Answer Link

Other Questions

how do i identify the point on the number line and write it as a fraction and decimal

Which of the following chemicals is NOT found in a typical Gram positive bacterial cell wall? a. N-acetylglucosamine (NAG)b. O polysaccharides c. N-acetylmurami

Simplify:a) [tex]4p + 2p - 3p[/tex]b) [tex]9s - 5s + 2s - s[/tex]c) [tex]8t + 3r - 7t - 9r[/tex]

In the aftermath of the downturn in the early 1930s, private banks ____________; between 1936 and 1937 the Fed raised the _________, which ___________ the G

a student mixed O2, N2, and He gas together in a container. the total pressure of the gas mixture was found to be 1.86 atm. before mixing, the student recorded

If you wanted to securely erase the data on a disk and then reuse that disk in another computer, which method would you use? a.) Degaussing b.) Encrypting c.) C

What is the simplified form of the following expression?[tex]\[ 2 \sqrt{27} + \sqrt{12} - 3 \sqrt{3} - 2 \sqrt{12} \][/tex]A. \(\sqrt{3}\)B. \(9 \sqrt{3}\)C. \(

The dual nature of photography was evident from the beginning when Louis-Jacques-Mandé Daguerre:A. created artfully arranged photographs of scientific specimens

Calculate the pH of a 5.8 x 10⁻⁴ MHNO₃ olution. Report your answer to two decimal places. Your Answer: _______

How has the art of type making evolved?

How are radioactive probes useful in DNA fingerprinting

Why is it necessary to use the same restriction enzyme to cut 2 pieces of DNA that are to be joined together?

round this number 3.899 to the nearest hundredth

The perimeter of a parallelogram is 46in. If the length of one side is 14in., what is the length of a side adjacent to it?

of the400 doctors who attended a conference, 240 practiced family medicine and 130 were from countries outside the United States. One-third of the family medici

Why is it necessary to use the same restriction enzyme to cut 2 pieces of DNA that are to be joined together?

round this number 3.899 to the nearest hundredth

of the400 doctors who attended a conference, 240 practiced family medicine and 130 were from countries outside the United States. One-third of the family medici

What is Neons group and periodic number?

Eleni is n years old. In thirteen years she will be twenty four years old-