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Explain a solution is prepared by dissolving 89.6g of a nonvolatile solute in 175 g of water. Explain the vapor pressure above the solution is 20.62Torr as well as the vapor pressure of pure water is 23.76Torr at this temperature. Explain what is the molecular weight?
calculate each of the following for the reaction that occurs when 56.0ml of 0.50m barium chloride solution are mixed
Please explain why [Fe(CN)6]3- shows a charge-transfer absorption in the visible region of the spectrum and another in the ultraviolet region, while [Fe(CN)6]4- shows only a charge-transfer
Calculate the amount of Pd that can be electroplated from a solution of Pd(II) ions with a current of 1.40 amps for 3.00 hours.
Can you please help me identify an acid from a base. What are the steps in identifying it by looking at a molecule. For example why is TiCl4 considered an acid
Nitrous acid, HNO2, is a weak acid that is partially dissociated (broken apart) in aqueuous solution. What is the equilibrium concentration of HNO2 if the extent of dissociation in 2.00M HNO2 is 0.58%. The equilibrium equation is shown below.
a gas company in massachusetts charges 1.30 for 15 ft3 of natural gas ch4 measured at 20 oc and 1.0 atm. calculate the
The mass of the final solution is 73.0 grams, and its heat capacity is 3.85 J/g°C; the heat capacity of the calorimeter is 5.0 J/°C. Calculate the Hreaction in kJ/mol metal.
For an ADC with a range of 0.0 to 13.5 V and a digitization uncertainty of 1 LSB, what is the maxumum uncertainty in the digitization of a 13.5 V signal if the converter has 12 bits
The insecticide DDT was formerly in widespread use, but now it is severely restricted owing to its adverse environmental effects. It is prepared as follows.
After treating the crude extract with activated carbon, the solution was somewhat lighter in color, but still quite dark. Knowing that trimyristin is in fact a white crystalline compound, why wasn't more activated carbon used in an attempt to remo..
A buffer is to be prepared with a pH of 4.5 from 0.1M solutions of sodium acetate and acetic acid. How many mL of 0.1M NaAc would have to be added to 100mL of 0.1M HAc to make the proper buffer solution?
What must be the initial concentration of reaction, [A]0, if (a) the zero- and first-order; (b) the zero- and second-order; (c) the first- and second-order reactions are to have the same half-life?
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