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Explain which alcohol would you expect to be more water soluble more g/ml or grams of the alcohol could dissolve in say 100 ml of water, ethanol or octanol and why?
A buffer solution contains .11 mol of acetic acid and .14 mol of sodium acetate in 1.00 L what is the pH of the buffer after adding 3*10^-2 mol of KOH
A trayed column is used to recover acrylic acid and acetic acid from a dilute gas stream by absorption in water. At the same vapor concentration, acrylic acid is about two times as soluble as acetic acid in water
The enthalpy of a solution of KBr in water is about +198 kJ/mol. Nevertheless, the solubility of KBr in water is relatively high. Why does the solution process occur even though it is endothermic
It required 105 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 31 s for 1.0 L of O2 gas to effuse. Calculate the molar mass of the unknown gas.
Calculate the expected pH of a solution at the equivalence point using [NaOH] = 0.0997M and [acetic acid] = 0.1048M. The Ka for acetic acid is 1.8 x 10-5
A freshly prepared sample of curium-243 undergoes 3312 disintegrations per second. After 6.00 years, the activity of the sample declines to 2755 disintegrations per second. Calculate the half-life of curium-243. half-life
If the theoretical yield for a reaction was 156 grams and I actually made 122 grams of the product, what is my percent yield
Consider the titration of 100.0 mL of 0.110 M NaOH with 1.00 M HBr. Find the pH at the following volumes of acid added and make a graph of pH versus Va: Va= 0,2,5,8,10,10.1,11,11.1, and 12 mL Compute Ve, first.
Suppose a sodium hydroxide solution were to be standardized against pure solid primary standard grade KHP. If 0.4538 g of KHP required 44.12 ml of the sodium hydroxide to reach a phenolphthalein endpoint what is the molarity of the NaOH solution
Calculate the pH change that results when 11 mL of 5.8 M NaOH is added to 800. mL of each the following solutions.
CaC2 + 2H2O --> C2H2 + Ca(OH)2. Using this equation, determine how many moles of CaC2 are needed to react completely with 49 g H2O.
Compound A, C8H10, absorbed 3 equivalents of H2 on catalytic hydrogenation over a Pd/C catalyst to give B (C8H16). On ozonolysis, compound A gave, among other things, a ketone which was identified as cyclopentanone.
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