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A solution is prepared by dissolving 38.3 g of a protein in enough water to make up 1.0 L in volume. If the osmotic pressure of the solution is found to be 576.8 mm Hg at 29°C, the molar mass in g/mol of the protein will be (enter to 0 decimal places)
alkali halides commonly have either the sodium chloride structureor the cesium chloride structure. the molar mass of
Calculate the root mean square velocities of Cl2(g) and O2(g) molecules at 263 K and 505 K.
Calculate the pH of a solution prepared by mixing 1.00 g of imidazole with 1.00 g of imidazole hydrochloride and diluting to 110.5 mL. (FM of imidazole = 68.08. Ka for imidazole = 1.02 * 10-7.)
One method of removing CO2 gas from a spacecraft is to allow the CO2 to react with LiOH. How many liters of CO2 at 25.9 degrees Celcius and 751 Torr can be removed per kilogram of LiOH consumed?
How many grams of Potassium Chlorate decompose to passium chloride and 638mL of O2 at 128 degrees C and 752 Torr. 2KClO3 (s) => 2KCl (s) + 3O2(g)
If (initially) 0.22 mol of Br2 and 0.22 mol Cl2 are introduced into a 1.0 L container at 400. K, what will be the equilibrium concentration of BrCl? Assume the initial product concentration is zero.
a 3.00-g sample of a compound having the formula ch2o n is dissolved in water to form 100.0 ml of solution. the
Problem- Given the following half-reactions occurring in the silver-zinc hearing aid battery, calculate the voltage at 25°C of this battery.
Analyze the steps involved in developing a strategic plan for a company and determine which step is the most difficult to get right. Explain your rationale.
a 13 ml sample of a solution of albr3 was diluted with water to 25ml. a 15 ml sample of the dilute solution was found
You created a buffer system by first neutralizing the supernatant solution containing Pb2+, Fe3+, Al3+, Ca2+, Cu2+, and K+ ions with 6M NH3 solution , and then adding an equal additional volume of 6M NH3 solution. Explain what forms of NH3 were pr..
Which of the following options give the correct relationships between the decimal prefixes? Select all that apply. Pay close attention to the sign and magnitude of exponent. -1 mL= 1x10^3 microliters -1GHz=1x10^6 Hz -10^3 kg=1 g -10^9 nm=1m -10ps=..
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