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A sample of copper sulfate pentahydrate, CuSO4 . 5H2O, contains 3.782 g of Cu. How many grams of oxygen are in this same sample?
Why is concentrated sulfuric acid employed in the nitration of methyl benzoate reaction. What is the electrophile that is produced by the reaction of sulfuric acid and nitric acid
Determine the minimum concentration of KOH Potassium hydroxide is used to precipitate each of the cations from their respective solution.
During a strenuous workout, an athlete generates 1950.0kJ of heat energy. What mass of water would have to evaporate from the athlete's skin to dissipate this much heat?
rate constants for the reaction no2g cog -----gt nog co2g are 1.31 m-1s-1 at 700. k and 23.0 m-1s-1 at 800. k.a what
The reaction SiH4 --> Si + 2H2 has a k= 0.048M/min at 500 degrees Celsius and k= 49.0M/sec at 700 degrees celsius.
a sample of beach sand contains sand particles of different colors small pebbles and also shells. each component
when 1.2563 g of an organic iron compound containing fe c h and o was burned in o2 2.2398 g of co2 and 0.67249 g of h2o
You made a pH 10 buffer by combining 142 mL of 28% NH4OH with 17.5 g NH4Cl. What would have been the pH of the buffer if you had used twice the amount of NH4Cl
Determine how much fluorine was formed if A sample of NaF(sodium fluoride) produced 26.5 grams of sodium upon decomposition? express your answer (in grams)
The standard electrode potential for the reduction of Eu3+(aq) to Eu2+(aq) is ?0.43 V. Use the data in Appendix D to determine which of the following is capable of reducing Eu3+(aq) to Eu2+(aq) under standard-state conditions
Assume the reaction A+B-->C+D proceeds to equilibrium. Calculate the equilibrium concentration of D at 25 o C, given that the staring concentrations of A and B are 2M and delta G for the reaction is 1.0 kcal/mol. R=1.987cal/mol.K
Calculate the standard emf of a cell that uses the Mg/Mg2+ and Cu/Cu2+ half cell reactions at 25 deg C. What is the equation for the cell reaction that occurs under standard-state conditions?
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