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A solution is made by mixing 25.0 mL of .20 M sodium sulfate with 50.0 mL of 0.50 M sodium sulfate. Assuming that dissociation is complete, what are the concentrations Of the Na+ and SO42- ions? Assume no volume change upon mixing. Please show and explain steps clearly.
A sample of nitrogen gas is contained in a pistol with a freely moving cylinder. At 0.0 C , the volume of the gas is 375 ml. To what temperature must the gas be heated to occupy a volume of 500.0ml
If 750 grams of ammonia and 750 grams of oxygen gas were mixed, what maximum mass of nitrogen monoxide could be produced
Write equations for the reaction of each of the following with (1) Mg in ether followed by (2) additione of D2O to the resulting solution:
a)Calculate the final temperature for Cv,m=3R/2.b)Calculate q for Cv,m=3R/2 .c)Calculate w for Cv,m=3R/2 d)Calculate delta H for Cv,m=3R/2 e)Calculate delta U for Cv,m=3R/2
Calculate the pressure of the air when the whole thermometer is immersed in a bath at 100 0C. As the figure below shows, at 0 0C, the length of air space is 10 cm; and at 100 0C, it is 2 cm.
if the density of water at 25.2 degree celcius is 0.997962 g/cm^3, what is the volume of liquid in mL whose mass is 20.762 g?
Use this equation to calculate the wavelength of the photon emitted in units of nanometers for the following transitions.
As air flows across the cooling coil of an air conditioner at the rate of 3856 kg/hr, its temperature drops from 26*C to 12*C. Determine the internal energy change in kJ/hr.
How many moles of each of the following were in the original sample?
If 0.02 moles of PbCl2 is added to 500 dm3 of a 0.01 M salt water solution, what is the Qs value and will PbCl2 precipitate?Ksp = 1.6 x 10-5.
what type of electronic probe could be used to determine the pressure inside the
Calculate the concentration of cadmium chloride contaminant in the original groundwater sample. Be sure your answer has the correct number of significant digits.
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