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A mixture initially contains A,B, and C in the following concentrations: A= 0.650 M, B= 0.800M , and C= 0.550M . The following reaction occurs and equilibrium is established:
At equilibrium, A= 0.490M and C = 0.710M . Calculate the value of the equilibrium constant
If a nonvolatile, yellow crystalline solid sample of 0.351 g is dissolved in benzene (C 6 H 6 ) of 15.8 g formed a solution. this solution freezes at the temperature of 4.77 degree celsius.
Initial Concentration of azomethane Initial rate Exp. 1 1.13 x 10-2 M 2.8 x 10-6 M/s Exp. 2 2.26 x 10-2 M 5.6 x 10-6 M/s
give full mechanism: show the base-catalyzed formation of the monobutylated product from 1-chlorobutane and diethyl malonate
Ammonium hydrogen sulfide decomposes on heating NH4HS(s) NH3(g) + H2S(g) If Kp for this reaction is 0.11 at 298 kelvins (with pressures in atmospheres)
Calculate the molarity of the following solution. 2.5 moles of glucose in 5.0L of solution. Express your answer using two significant figures
what is the osmolarity of a solution that has a concentration of NaCl of 0.300 mol/L?
In order to obtain a stock solution of 1000 ug/ ml for each of clomipramine hydrochloride and imipramine hydrochloride , how many grames of each compound should be weighed
The lethal doses (expressed in ppm by volume) of two gases A & B are the same and equal to 20 ppm. Indicate how many mg of each gas would be needed to reach the lethal concentration in a room of 46m^3.
At what wavelength do you measure the change in absorbance to assay for enzyme X? Does the absorbance increase or decrease over time?
determine the heat released when (ethene) CH2 CH2 reacts with hydrogen gas and form CH3CH3.If Bond enthalpies given are H H : 436 kJ/mol,C Br : 276 kJ/mol,C C : 612 kJ/mol,C C : 348 kJ/mol,C H : 412 kJ/mol;
Draw Lewis dot structure and predict molecular geometry - Show the Lewis structures of the following molecules and then predict their geometry.
At standard temperature, a gas has a volume of 371 mL. The temperature is then increased to 131C, and the pressure is held constant. What is the new volume?
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