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What is the equilibrium concentration of Fe3+ after adding .180 mol of Fe(NO3)3 to a solution of CN-? The final volume of the solution is 1 L and the concentration of CN- is 2.982 M. Kf = 9.1e41
What is the relationship between myelin sheath and dopmaine? What does myelin sheath do, how does it porvide insultion. What disease are caused when myelin sheath stops working and how does this effect elderly people?
Teperature(K) Pressure(Torr) 65 130.5 70 289.5 75 570.8 80 1028 85 1718 1. Use the data to determine the heat of vaporization of nitrogen. 2.Determine the normal boiling point of nitrogen
Consider the reaction \rm CO(g) + NH_3(g) \rightleftharpoons HCONH_2(g),~~~~{\it K}_c=0.860 If a reaction vessel initially contains only \rm CO and \rm NH_3 at concentrations of 1.00 M and 2.00 M, respectively, what will the concentration of \rm H..
what mass of Na2CO3 will be required to titrate 75.0 mL of 0.350 M HCl. This is the balanced equation given Na2CO3+2HCl--->2NaCl +H2O+CO2
If you have 4.26 g of caffeine dissolved in 94.6 mL of water and the extraction coefficient between H2O and CH2Cl2 is 21.51. How many grams of caffeine will extract into the CH22Cl2 layer if you use 59.9 mL
Milk of magnesia is often taken to reduce the discomfort associated with acid stomach or heartburn. The recommended dose is 1 teaspoon, which contains 4.00×102mg of Mg(OH)2.
Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous solution containing sodium iodide. How many grams of sodium iodide, NaI must be used to produce 19.1g of iodine, I2
How many moles of oxygen gas are required to completely react with 6.20 moles of carbon according to the balanced reaction equation shown below?
When 5.19g of NaCl is dissolved in 85.0 mL of water at 22.2 degrees Celsius, the temperature of water drops by 6.6 degrees Celsius. Calculate the heat of solution of NaCl.
Consider the following process. which of the following correctly applies? chose answere from the following answers. (a) termination step (b) polar reaction (c) unsymmetrical bond formation (d) produces a radical
Calculate the change in ph when 6 ml of 0.1 M HCl is added to 100 ml of a buffer solution that is 0.1 M in NH3 and 0.1 M in NH4Cl.
Diethyl ether is a volatile organic compound. the vapor pressure of diethyl ether is 401 mm Hg at 18 degrees celsius and the change in H vapor = 26.0 kJ/mol. Calculate the vappor pressure of diethyl ether at 0 degrees C.
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