What is the molarity of solution prepared by calcium nitrate
What is the molarity of a solution prepared by dissolving 4.92 g of calcium nitrate, Ca(NO3)2, in 250 mL of water? (The molar mass of Ca(NO3)2 is 164 g/mol.)
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Using appropriate equilibrium constants, calculate the pH of the solution: 0.060M in potassium propionate, KC2H5O2, and 0.085M in propionic acid, HC3H5O2
What mass of F2 is needed to produce 167 g of PF3 if the reaction has a 77.0% yield?
Piezometer and a Pitot tube are tapped into a 3-cm diameter horizontal water pipe, and the height of the water columns are measured to be 20 cm in the piezometer and 35 cm in the Pitot tube (both measured from the top surface of the pipe).&
The density of solid sodium chloride, NaCl, is 2.17g/cm3. Use your knowledge of the sodium chloride lattice to calculate the spacing between Na+ and Cl- nearest neighbors, in cm. (Atomic masses (amu) are: Na, 22.99; Cl, 35.45. Also, 1 amu = 1.661
Y(t) is the output of X(t) go through an LTI system. Suppose the output process Y (t) is given to be WSS. Is it true that the input process X (t) in that case is always WSS?
What is the molality of ethanol in a solution made by dissolving 14.6 g of ethanol, C2H5OH, in 53.6 g of water?
find the the difference in electric potential between the location electrode and at a distance of 5.0nm from electrode.
At 9.°C and 1.40 atm pressure, a sample of helium gas occupies a volume of 5.10 L. The sample is compressed and heated to 60.°C. Calculate the final pressure of the sample, if the final volume is 3.64 L.
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