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A solution of magnesium chloride is mixed with a solution of sodium hydroxide. Predict any precipitates that are formed
a 25.0 ml sample of river water was titrated with 0.00100 m na2cr2o7 and required11.5 ml to reach the end point. what
Ethanol has {rm mp} = -114.5 ^circ {rm C}, {rm bp} = 78.4 ^circ {rm C} , Delta H_{rm vap} = 38.56 {rm kJ/mol} and Delta H_{rm fusion} = 4.60 {rm kJ/mol}. The molar heat capacity is 113 {rm J / left( K cdot mol right)} for the liquid and 65.7 {rm J..
What would you observe in a sample which contains both silver and lead ions if the first precipitate (AgCl (s) and PbCl2 (s)) was not treated with hot water
Derive an expression for the instantaneous temperature as a function of the instantaneous pressure, and use it to sketch T/Ti vs P/Pi.
write a balanced chemical equation for the reduction of dl-camphor by NaBH4. Assume all H of NaBH4 are used in the reduction.
If a person were to say that a scientific finding was replicated, he or she would be saying that the finding was
Sulfurous acid, H2SO3, is a weak diprotic acid (pKa,1=1.89 and pKa,2=7.21 at 25oC). What is the pH of 0.121 mol/L H2SO3(aq) at 25oC
A 4.5-g sample of LiCl at 25 degrees Celsius dissolves in 25.0 mL of water also at 25.0 degrees Celsius. The final equilibrium temperature of the resulting solution is 60.8 degrees Celsius. What is the enthalpy of , H, of LiCl expressed in kilojou..
What is the percent hydrogen (H) by weight of a solution containing 53.5 mL of CH3COCH3? The density of acetone is 0.788 g/mL.
How many grams of zinc metal will react completely with 8.2 liters of 3.5 M HCl? Zn (s) + 2 HCl (aq) ZnCl2 (aq) + H2 (g)
how many enantiomeric pairs are possible for a monobromo derivative of isopentane?
To an insulated container with 100.0 g H20 (l) at 20.0 C, 175 g steam at 100 C and 1650 g of ice at 0.0 C are added. A) What mass of ice remains unmelted after equilibrium is established
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