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Using standard reduction potentials, calculate the standard E0 cell, (emf), for each of the following reactions.
1. Show half reactions
2. Balance and gain electrons
3. Write overall reaction of each
4.State if spontaneous or nonspontaneous
A. 4Ce^3+ = Ce^0 + 3Ce^4+ (Acidic Solution)
B. 2Al^3+ + 3Cd = 2Al + 3Cd^2+
The equilibrium constant, Kp , for the reaction CO(g) + H2O(g)-> CO2(g) + H2(g) at 986°C is 0.63. A rigid cylinder at that temperature contains 1.2 atm of carbon monoxide, 0.20 atm of water vapor
1)WhenH2(g)reacts withC2H4(g)to formC2H6(g),137kJ of energy areevolvedfor each mole ofH2(g)that reacts. Write a balanced thermochemical equation for the reaction with an energy term in kJ as part of the equation.
A patient needs 2.40×10-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
Determine the change in Ssys for the process if the specific heat capacity for ethanol = 2.42 J/g K. express your answer in units of J/K
Aluminum nitrate and ammonium chloride react to form aluminum chloride, nitrogen, and water. what mass of aluminum chloride is present after 74.7 g of aluminum nitrate and 56.8 g ammonium chloride have reacted completely.
Write a paper on an article and it shows many different compounds and need a better understanding of where each originated and what steps were made in their synthesis.
Calculate the energy change when one 235U nucleus undergoes the fission reaction 235U + n -> 142Ba + 92Kr + 2 n . The masses needed are 235U : 235.04 u; 142Ba : 141.92 u; 92Kr : 91.92 u; n : 1.0087 u.
Containers of rubbing alchohol and ammonia are opened simultaniosly in a room. Which will you smell first and why?
Alcohols are less volatile than ethers of the same molecular weight, but the two classes of compounds have approximately the same solubility in water because:
Lime, CaO, is produced by reaction CaCO3(s) CaO(s) + CO2(g). What weight of CaO is obtained by the decomposition of 38.7g of CaCO3.
1. A corrosion technologist pipetted a 100.00 mL hard water sample and titrated it with 37.64 mL of 0.01 M EDTA solution for a total hardness endpoint, and 29.32 mL of 0.01 M EDTA solution for a calcium endpoint.
Given Ksp {Fe(OH)2}= 1.6x10-14 and Kb(NH3)=1.8X10-5. What concentration of ammonia is necessary to start to precipitate ferrous hydroxide {Fe(OH)2} from a solution of 0.0030M FeCl2
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