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At 21.0 C, a solution of 18.26 g of a nonvolatile, nonpolar compound in 33.25 g ethyl bromide, C2H5Br, has a vapor pressure of 336 torr. The vapor pressure of pure ethyl bromide at this temperature is 400 torr. What is the molecular mass of the compound?
if 135 g of steam at 100 degrees C and 475 g of ice at 0 degrees C are combined, what is the temperature of the resultant water, assuming that no heat is lost?
When adjusted for any changes in delta H and delta S with temperature, the standard free energy change delta G note at 2400 K is equal to 1.22*10^5 J/mol . Calculate the equilibrium constant at 2400 K
Repeat for 0.1 M Zn^2+ in 3 M OH- 3. What is the appropriate % if complexed iron in a 0.1 M Fe3+ solution containing 1 M KSCN?
Calculate the pH of 0.500L of a buffer solution composed of 0.20 M butyric acid (CH3(CH2)2)2COOH, Ka = 0.000015) and 0.10 M sodium butyrate, (NaCH3(CH2)2COO).
What is the concentration of toluene in air produced by vaporizing 1 ml of liquid toluene into clean air to produce a total volume of 100 liters
A mixture of three gases has a total pressure of 1,380 mmHg at 298 K. The mixture is analyzed and is found to contain 1.27 mol CO2, 3.04 mol CO, and 1.50 mol Ar. What is the partial pressure of Ar
Identical containers Ar, CO2, He, and Cl2 at the same temperature and pressure. Which has the lowest density?
Determine how many grams of Hydrogen are required to form 14.01grams of Ammonia and calculate how many grams of ammonia could be formed
Consider the titration of a 23.0 mL sample of 0.110M HC2H3O2 with 0.130M NaOH. Determine the pH at 6.00 mL of added base.
Integrate the expression = 1/V (?V / ?T) at constant pressure, assuming that is independent of temperature. By doing so, obtain an expression for V as a function of T and at constant P.
If 36.6 grams of hydrogen sulfide gas (H2S; MM = 34.08 g/mol) react with 35.6 grams of oxygen gas (O2, MM = 32.00 g/mol), what is the mass of sulfur dioxide (SO2, MM = 64.06 g/mol) gas produced
Explain using the Michaelis-Menten model the reasonsing behind the net effect of an irreversible inhibitor on the enzyme's substrate affinity and rate of product formation?
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