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Under certain conditions, a reaction leads to ?SUNIV = -333.5 J/mol*K at 150 degrees C. If ?SSYS = 237.2 J/mol*K at that temperature, determine ?HSYS. At what temperature would the reaction become spontaneous?
Equilibrium constant for the cell reaction is (A)100 .32/0.0591 (B)100.32/0.0295 (C) 100.26/0.0295 (D) e0.32/0.295
Suppose 35.68 mL of 0.01015 M KMnO4 is required to titrate 3.576 g of a sample containing C2O42-. What percentage Oxalate is present in the sample?
Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters. Suppose that the volume of a particular sample of Cl2 gas is 8.60 L at 899 torr and 28°C.
If the silver -silver chloride electrode is replaced with a saturated calomel electrode, what is the new cell voltage?
At 4.00 rm L, an expandable vessel contains 0.864 mol of oxygen gas. How many liters of oxygen gas must be added at constant temperature and pressure if you need a total of 1.96 mol of oxygen gas in the vessel.
Compounds like CCl2F2 are known as CFCs and were once widely used as refrigerants. Breaking down of these molecules in the atmosphere releases Cl atoms
A powder contains FeSO4·7H2O (molar mass = 278.01 g/mol) among other components. A 3.585-g sample of the powder was dissolved in HNO3 and heated to convert all iron to Fe3
What is the theoretical yield of aspirin in the reaction of 3.60 grams of salicylic acid with excess acetic anhydride?
Predict whether, to any significant extent, MnO-4(aq) will oxidize Cl-(aq) to Cl2(aq) in acidic solution, The reaction is spontaneous under standard conditions
Write the equation for the formation of ethyl acetate, What is the purpose of sulfuric acid? What happens if water is removed from the reaction mixture.
If toluene(density 0.87) were used to extract ethylene bromohydrin (density 2.41) from an aqueous solution.
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane.
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