Calculate the emf of the cell at 298 k mg
WebWrite the Nernst equation and emf of the following cells at 298 K: (i) Mg(s) Mg 2 ... Henry's law constant for CO 2 in water is 1.67 x 10 8 Pa at 298 K. Calculate the quantity of CO 2 in 500 mL of soda water when packed ... Determine the osmotic pressure of a solution prepared by dissolving 25 mg of K 2 SO 4 in 2 liter of water at 25° C ... WebDec 10, 2024 · The electromotive force (EMF) is the maximum potential difference between two electrodes of a galvanic or voltaic cell. This quantity is related to the tendency for an …
Calculate the emf of the cell at 298 k mg
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Webthis dilution at 298 K. Calculate the electrode potential. Given E0zn2+/zn = – 0.76 V. III. SHORT ANSWER (3M) 1. Represent the cell in which the following reaction takes place.The value of E˚ for the cell is 1.260 V. What is the value of Ecell ? 2. A voltaic cell is set up at 25 °C with the following halfcells: Al/Al3+(0.001 M) and Ni/Ni2 ... WebNernst equation: It is a mathematical equation that is used to calculate the emf of a cell. Cell representation: The left-hand side of a cell represents the anode where the …
WebFor the cell M g (s) ∣ M g 2 + (a q) ∣ ∣ A g + (a q) ∣ A g (s), calculate the equilibrium constant at 2 5 o C and the maximum work that can be obtained during operation of cell. Given E … WebΔrG0 can be calculated by measuring the emf of the cell (E0cell ) Knowing ΔrG0 , the equilibrium constant K can be calculated. ΔrG0 = - RT lnK. ΔrG0 = - 2.303 RT log Kc Example 3.3: The standard electrode potential for Daniell cell is 1.1V. Calculate the standard Gibbs energy for the reaction: Zn(s) + Cu2+(aq) ⎯→ Zn2+(aq) + Cu(s)
WebNov 4, 2024 · (ii) Calculate the emf of the following cell at 298 K: Al(s)/Al3+ (0.15M)/Cu2 ... 0.15 = -0.8239, log 0.025 = - 1.6020) LIVE Course for free. Rated by 1 million+ students Get app now ... Calculate the emf of the following cell at 298 K: Al(s)/Al 3+ (0.15M)/Cu 2+ (0.025M) /Cu(s) WebThe emf of the cell with the cell reaction given below is 0.28 V at 25 o C. Z n ( s ) + 2 H + ( a q ) → Z n 2 + ( a q , 0.1 M ) + H 2 ( g , 1 a t m Calculate the p H of the hydrogen electrode
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Web(a) Sketch the cell, indicating the anode and the cathode, the direction of electron movement through the external circuit, and the direction of ion migrations through the solutions. (b) Sketch the process that occurs at the atomic level at the surface of the anode. (c) Calculate the emf of the cell under standard conditions. تويوتا في ايرانWebFeb 20, 2024 · Calculate the emf of the following cell at 298 K. 2Cr(s)+3Fe2+(0.1M) 2Cr3+(0.01M)+3Fe(s) Given, E(Cr3+/Cr )∘ =−0.74 V,E(Fe2+/Fe)∘ =−0.44 V Delhi 2016 … تويوتا فورتشنر 2023 سعرWebMay 9, 2024 · Figure \(\PageIndex{3}\): Determining a Standard Electrode Potential Using a Standard Hydrogen Electrode. The voltmeter shows that the standard cell potential of a galvanic cell consisting of a SHE and a Zn/Zn 2 + couple is E° cell = 0.76 V. Because the zinc electrode in this cell dissolves spontaneously to form Zn 2 + (aq) ions while H + (aq) … dj jose amWeb1) In 3d-series of transition metals, manganese has an atomic number of 25 that gives the electronic configuration as [Ar] 3d 5 4s 2,where we see that the maximum number of … تويوتا هاي اس 2021WebApr 4, 2024 · Hence the emf of the following cell at 298 K is equal to $ \text{0}\text{.53 V} $ . Note: The Nernst equation relates the reduction potential of an electrochemical reaction (half –cell or full cell) to the standard reduction potential, temperature and the activities (often approximated by the concentrations) of the chemical species that are ... dj jounceWebApr 9, 2024 · Write down the Nernst equation of calomel electrode. Calculate the EMF of the cell at 298 K of Cd C C 2 + (0.001 M) ∥ Fe 2 + (0.6 M) ∣ Fe The standard reduction potential of Cd / Cd 2 + and Fe 2 Fe 2 + electrodes are 0.403 and − 0.441 volt respectively. تويوتا هايبردWebConcentration cells : Q.46 Calculate the EMF of the following cell Zn Zn2+ (0.01M) Zn2+ (0.1 M) Zn at 298 K. Q.47 Calculate the EMF of the cell, Zn – Hg(c1M) Zn2+ (aq) Hg – Zn(c2M) at 25°C, if the concentrations of the zinc amalgam are: c1 = 10g per 100g of mercury and c2 = 1g per100 g of mercury. Q.48 Calculate pH using the ... dj jono