Calculate the mass of calcium carbonate formed
Calculate the mass of calcium carbonate formed when 25 mL of a solution of calcium chloride at 0.10 M react with sodium carbonate in excess.
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A particle travels along a straight line with a velocity v = (12-3t2) m/s, where t is in seconds. When t = 1 s, the particle is located 10 m to the left of the origin.
This occurs by first converting the cyclohexene into a carbocation. I believe this is done by the Lewis acid catalyst. However, I don't understand the arrow mechanism. How does AlCl3 convert cyclohexene into a carbocation (electrophile)?
A 45 kg machine is placed at the end of a 1.6 m long cantilever beam of elastic modulus 200 x 109 N/m and cross-sectional moment of inertia 1.6 x 10-5 m4. As it operates, the machine produces a harmonic force of magnitude 125 N.
How many coloumbs are required to plate a layer of Cr metal .25m thick on an autobumper with total area of .32m^2 from a solution containing Cr)4 ^2-?density of Cr metal is 7.20g/cm^2
Calculate the amount of 0.020 M KMnO4 solution required to completely oxidize 37.99 ml of .100 M FeSO4 in an acidic solution according to the following equation. Your answer should be in mL.
The equilibrium constant KP is 158. Analysis shows that the partial pressure of O2 is 0.44 atm at equilibrium. Calculate the pressure of NO and NO2 in the mixture.
A constant head permeability test was conducted on a clean sand sample. The diameter and length of the test specimen were 10 cm and 12 cm respectively.
A saturated solution of Pb(IO3)2 in pure water has a lead ion concentration of 5.0 x 10-5 Molar. What is the Ksp value of Pb(IO3)2?
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