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Nitrogen triflouride decomposes to form nitrogen and flourine gases according to the following equation: 2NF3 (g) <--> N2(g) + 3F2(g) when 2.06 mol of NF3 is placed in a 2.00-lcontainer and allowed to come to equalibriumk at 800k, the mixture is found to contain 0.0227 mol of N2. What is the value of Kp at this tempature
A buffer is prepared using the propionic acid/propionate acid-base pair for which the ratio (of acid to base) is 4.50. (a) Enough strong base is added to convert 27% of HC3H5O2 to C3H5O2-. What is the pH of the resulting solution
What is the net ionic equation for the reaction that occurs when small amounts of hydrochloric acid are added to a HOCl/NaOCl buffer solution
Calculate the pH at each point indicated in the titration of 100.00 mL of 0.0755 M NaClO2 with 0.0412 M HCl.
KCL,KCLO3, and MnO2 having a total wight of 23.584 was jeated tp decompose the KCLO3. After heating, the mass was found to be 22.347g. how many moles of oxygen gas was evolved.
A coffee-cup calorimeter is calibrated by adding 1840 J of heat to the water in the calorimeter and measuring a 1.72C rise in temperature.
Suppose you have 0.001 M solution of a dye with pka of 7.2. from the color, concentration of protonated form is found to be 0.0002 M. Assume remainder of the dye is in the deprotonated form. What is the pH of the solution?
A mixture of 0.152 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0L vessal at 500K, producing a mixture of Co and CO2. The total pressure is 0.6879 atm. What is the partial pressure of CO?
The original sample is not pure, but is contaminated with a thermally stable compound. Will the reported mole ratio of CaO to CO2 be too high, too low, or unaffected? Explain
using a solution of 0.1 m of a certain cation form a precipitate with 0.1 m solutions of all of these anionsnbsp co32-
calculate the concentration in molarity of a NaOH solution if 25.0 ml of the solution are needed to neutralize 17.4 ml of a .312 M HCl solution.
Calculate the maximum [glucose]in/[glucose]out ratio that can be achieved by the plasma membrane Na+- Glucose antiporter of an epithelial cell when the concentration of Na+ inside the cell is 7mM
Use these data, plus the information given below for CO2 and H2O, to estimate the standard enthalpy of formation, ofH?, at 25 oC for this compound. ofH? values at 25 oC for CO2(g) and H2O(l) are ?394 kJ mol?1 and ?286 kJ mol?1, respectively
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