sn sn2 1) Bir tren 2" 'lik bir hızla hareket halinde iken a = 60 v-4...
17. A voltaic cell consists of a Hg/Hg2+ electrode (E°=0.85 V) and a Sn/Sn?* electrode (E°= -0.14 V). Calculate [Sn2] if [Hg2+] = 0.48 M and Ecell = 1.04 V at 25°C. A. 6.8E-2 M B. 9.8E-3 M C. 3.4E0M D. 2.4E1 M E. 4.8E-1 M We were unable to transcribe this image
Foll for the following galvanic cell is -0.39 V Sn+(aq) +2 I(aq) Sn2 (aq) + 2(s) Compute ΔGo for this reaction?
Consider the reaction Fe + Sn2+(1 × 10–3 M) ? Fe2+(1.0 M) + Sn. Calculate the voltage theoretically generated by the cell. _______V Fe2++2e?Fe E0=?0.44V Sn2++2e?Sn E0=?0.14V Selected Answer: 0.30 Can someone tell me why this answer is wrong and the correct one?
You need a rented apartment and you can see that the 3rd floors
of each of the 2, 3 and 4 blocks of the buildings built in adjacent
order as shown in the figure (front side) are for rent. You also
learn that Block 2 is heated by a coal boiler operating at 75%
efficiency, Block 3 is heated by a natural gas boiler operating at
92% efficiency, while Block 4 is heated by a heat pump with a COP...
2. P(t) = -2 +3, -1<t< 2 2, 2 <t<4 7 – 3t, 4 <t<5 ve S(t) = t-2 ise h(t) = (PoS) (t) bileşke fonksiyonunu bulunuz ve grafiğini çiziniz. (20 puan)
QUESTION 1. In the figure, when the conductor placed between
the magnet is turned from the outside, draw approximately the
time-dependent change of the current passing through the lamp and
write what can be done to increase the value of this current
(specify the laws and equations you use). mechanical energy A) .
Find the magnetic flux density at the 'z' distance from the
infinite linear wire carrying the current I by Biot-Savart law. B)
. For a soft material...
Мар You are performing a titration of 25.0 mL of 0.0100 M Sn4 in 1 M HCI with 0.0500 M Ag* to give Sn2 anu 3+ Ags using a Pt indicator electrode and a saturated calomel electrode (SCE) as the reference electrode. A) Write the balanced titration reaction B) Complete the two half-reactions that occur at the indicator electrode (shown is their corresponding reduction potential) Sn E 0.139 V 3+ Ag® Eo 1.90 V C) Choose the two different expressions...
A. Half-reaction E° (V) Cl2(g) + 2e-2Cl-(aq) 1.360V Sn2+(aq) + 2e-Sn(s) -0.140V Cr3+(aq) + 3e-Cr(s) -0.740V (1) The strongest oxidizing agent is: enter formula (2) The weakest oxidizing agent is: (3) The weakest reducing agent is: (4) The strongest reducing agent is: (5) Will Cl2(g) oxidize Cr(s) to Cr3+(aq)? (6) Which species can be oxidized by Sn2+(aq)? If none, leave box blank. B. Half-reaction E° (V) Cl2(g) + 2e-2Cl-(aq) 1.360V Cu2+(aq) + 2e-Cu(s) 0.337V Mn2+(aq) + 2e-Mn(s) -1.180V (1) The...
Consider the following reaction at 298K. Sn2+ (aq) + H2(g) -Sn (8) + 2 H+ (aq) Which of the following statements are correct? Choose all that apply. OK>1 n= 4 mol electrons delta Gº> The reaction is reactant-favored. E cell > 0 Sited
For the following balanced net redox reaction, the Eºcell is 1.04 V and n = 2. Sn2+(aq) + Mn (s) —+Sn(s) + Mn2+(aq) Calculate the cell potential at 25°C when [Sn2+) = 1.97 M and [Mn2+1 = 1.73 x 10-2 M. 0.900 V 1.04V 0.980 V 1.10 V