Determine the activation energy for the redox reaction Q2- + 2 R - Q* + 2 R". Rate ConstantTemperature 3.12 x 10° M's 275 K 2.70 x 104 M's 300 K

Calculate the standard free-energy change for the reaction at 25 °C. Refer to the list of standard reduction potentials. 2 Au3 + (aq) + 3 Cr(s) = 2 Au(s) + 3 Cr* (aq) AG = kJ TOOLS X10 10:04 PM 4/20/2022 DELL PrtScr Insert Home End Delete F9 F10 F11 F12 F6 F7 F8 F4 %24 & Back 7 8.

The mercury (I) ion undergoes a redox reaction upon addition of ammonium hydroxide, resulting in the detection of the formation of mercury on the filter paper. -true -false

Consider the reaction data.   A⟶products   ?  (?) k  (s−1) 275 0.384 775 0.730 What two points should be plotted to graphically determine the activation energy of this reaction? To avoid rounding errors, use at least three significant figures in all values.

+ || IP Σ R Calculate the cell potential for the reaction as written at 25.00 °C, given that [Cr+] =0.792 M and [Sn2+] = 0.0150 M. Use %3D %3D the standard reduction potentials in this table. Cr(s) + Sn²+(aq) Cr+(aq) + Sn(s) 10:18 AM 11/9/2021 自 F7 F10 F11 F12 PrtScr Insert Delete F4 F5 Backspace 共 ) 24 4. 8. 3. { Enter G H. K. Shi C. B. Alt Home PgDn 目

What event does a cathodic 'forward' peak correspond to? dissolution diffusion oxidation precipitation O reduction

a. Calculate the electrochemical cell potential for the overall reaction. b. Calculate the value of ∆G ̊ (kJ) for the overall reaction. c. When the concentration of NADH increases while the concentration of NAD+ decreases, will the electrochemical potential increase, decrease or remain the same. Justify your answer.

Balance the following reactions in acid or base as specified.  Fe²⁺ + Cr₂O₇² → Fe³⁺ + Cr³⁺     (in acidic solution) CN⁺ + Fe³⁺ →  CNO⁻   +  Fe²⁺   (in basic solution) Cr(OH)₂ + Br₂ → CrO₄²⁺  +  Br⁻  (in basic solution)

4.

Determine the activation energy for the redox reaction Q²⁺ + 2 R³⁺ → Q⁴⁺ + 2 R²⁺