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From the understanding of colligative properties, how would I design an experiment to measure the freezing point of a material which freezed at -2'c using the same apparatus used in the laboratory and any chemical reagents commonly found in a chemical laboratory. Ice is the only material i have available to cool the solution
A 0.9760-g sample of potassium acid phthalate required 44.00 mL of barium hydroxide solution for titration. How do you calculate the molar concentration of the barium hydroxide.
Next calculate molar internal energy and molar heat capacity assuming vibrational energy levels are not significantly populated at 298 K and do not contribute to molar heat capacity and molar internal energy. Calculate percent error for each molar..
Caffeine with a mass of .265 g was used to prepare caffeine salicylate derivative. How do you find the theoretical yield of caffeine salicyIate
When a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the solution above the precipitate is colorless. The net chemical equation is Cu(2+)(aq) + 2OH(-)(aq) --> Cu(OH)2(s)
Celsius the initial sample contained 0.0718 grams of calcium. What percent of the limestone by mass is CaCO3?
A voltaic cell consists of a Mn/Mn2+ electrode (E°= -1.18 V) and a Fe/Fe2+ electrode (E°= -0.44 V). Calculate [Fe2+] if [Mn2+] = 0.050 M and Ecell = 0.78 V at 25°C.
Calculate the transformation rate for the austenite-to-pearlite transformation at 650 °C and at 600 °C. Show the relationship(s) you used to arrive at your answers.
what is the purpose of placing a lead apron on a person who is receiving routine dental X-rays? d)why are the walls in a radiation lab built of thick concrete blocks
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
If the density of mercury is 13.6 g/mL. What is the mass in grams of 15.6 L of mercury?
The density of aluminum is 2.70 g/cm3. What is the volume of one mole of aluminum?
What difference in titrant volume would you except between the end- point and the equivalence point if the only indicator available was diphenylamine sulfuric acid
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