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FInd the vapor pressure of a solution that contains 218 g glucose in 460.0 mL of water at 30 degrees Celcius. The vapor pressure of water at this temperature is 31.82 mmHg. What is the vapor-pressure lowering?
Using the equation E0cell = E0cathode - E0anode, and the reference value of E0 for Cu(II)/Cu(s) for the role that copper plays in this overall cell reaction, determine the value of the standard potential for the half-reaction Zn2+(aq) + 2e- -> Zn(..
How many grams of titanium tetrachloride can be produced?
Be sure to fully explain how your experiment and the resulting data would allow you to determine the wavelength of maximum absorbance for the FeSCN2+ complex.
If 13.0g of CCl3F is enclosed in a 1.2-L container, what mass of liquid will be present, when the vapor pressure of CCl3F at 300K is 856 torr?
What is the smallest amount of CuO (in moles) that would establish the equilibrium?
Write the balanced chemical equation and determine How much propane is required to cook a pork roast that needs 1.6x10 3 kJ
What would be the structure and name of the open chain hydroxyl/carbonyl compund from which the above hemiacetal might form
what are the ground state electron configuration of the elements in period 2 of this alternate reality?
Some of the best laboratory vacuum systems can pump down to as few as 9.0 multiplied by 109 molecules per cubic meter of gas. Calculate the corresponding pressure, in atmospheres, assuming a temperature of 25°C.
25.0 cm3 of a saturated solution of Ca(OH)2 required 21.0 cm3 of 0.0500 mol dm-3 HCl for complete neutralisation. Calculate the [OH-(aq)] and the [Ca2+(aq)] in the saturated solution.
If atoms of element Z have a mass of 0.815 , what is the identity of Z?
A) How many liters of copper sulfate solution should you prepare? B) How many grams of CuSO_4_.5H_2_O must you dissolve to make that solution?
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