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Balance the chemical equation for the following redox reaction under acidic aque

ID: 994774 • Letter: B

Question

Balance the chemical equation for the following redox reaction under acidic aqueous conditions with the smallest whole-number coefficients possible using the half-reaction method. What is the coefficient of C_2H_3OH? The spontaneous redox reaction in a voltaic cell has a negative value of and a negative value of Delta_G. a negative value of and a positive value of Delta_G. a positive value of and a negative value of Delta_G. a positive value of and a positive value of Delta_G. a positive value of and a value of zero for Delta_G. A solution with pH of 9.50 has a pOH of 4.50. 23.5. 9.50. 19.0. 0.50. The atmospheric pressure in the eye of a hurricane is found to be 26.6 in. of mercury, which is equivalent to 0.987 bar. 760 mmHg. 0.889 atm. 0.785 atm. 1.00 times 10^5Pa.

Explanation / Answer

25.

spontanous reactions must have positive E°cell value since this is the electromotive force. And the dG must be negative, in order to have free energy to occur

26.

14 = pH + pOH

pOH = 14-9.5 = 4.5

27.

26.6 in ofHg --> 26.6*2.54 = 67.564 cm of HG = 675.64 mm Hg

atm = 675.64 /760 = 0.889 atm

choose C

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