A voltaic cell consists of a Mn/Mn2+ electrode (E°= -1.18 V) and a Fe/Fe2+ electrode (E°= -0.44 V). Calculate concentration of Fe2+ if Mn²+ concentration is 0.042 M and Ecell = 0.75 V at 25°C. Use F = 96485 C/mol.

Q: Question 6 Given the reaction: Fe*2 + Cr207 2 - Fe*3 - cr*3 How many electon/s was/were involved in…

A: Answer 6 : The chemical reaction :  Fe2+ + Cr2O72-  ----> Fe3+ + Cr3+  Electron/ electrons…

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Q: Br CH3 Br

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Q: Example: OF2 → +2 1. C2 2. K2O2 3. NazS 4. NazS2O3 5. NaN2 6. CH4 7. NHẠCI 8. OF2

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Q: The half life for the radioactive decay of rubidium-87 to strontium-87 is 4.88 x 10" years. Suppose…

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Q: The combustion of sucrose (a carbonydrate) is shown as follows C12H2»O11(s) + 12 O2(g) → 12 CO2(g) +…

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Q: The equilibrium constant, K, for the following reaction is 1.29x102 at 600 K. CoCi,(9) co(9) +…

A: Representations of equilibrium constant Kc:-             Kc = [CO(g)][Cl2(g)] ÷ [COCl2(g)]

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Q: QUESTION 14 Given the first order constant of the radioactive decay of carbon-14 to the stable…

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Q: What is the correct IUPAC name for the following compound? CH3- CH- CHz-CH-CH-CH3 CH3 OH

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Q: Given the reaction: Cu + Ag+ – Cu+ + Ag The reacxtion is is assumed to be that (Cu1*)=(Ag1+)=1.0M…

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Q: Predict the potential for the following voltaic cell at 25 C: Cu(s)|CuSO4(1.74 M)||AGNO3(0.58…

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Q: apply.

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Q: A sample of trifluoroacetic acid, C2HF3O2, contains 32.1 g of oxygen. Calculate the mass of the…

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Q: How many total atoms are there in 67.9 g of water (H,O)?

A: Given: Mass of water = 67.9 g Known: Molar mass of water = 18 g/mol