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If A water tank has two outlets one 1m above the bottom of the tank, the other 3m above the bottom of the tank. Explain if the tank is initially full and is 6m high, define what will the velocity of the water be in both outlets?
solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.
write this net ionic equation as a molecular equation showing allreactants and products as compounds. then rewrite this
calculate the masses of the solids you must measure out to prepare 100ml of 0.025m kno3.....you must include the waters
Calculate the moles of Cl2 produced at equilibrium when 1.00 mol of PCl5 is heated at 250 degrees Celsius in a vessel having a capacity of 10.0 L. PCl5(g) PCl3(g) + Cl2(g) Kc = 0.041 at 250 degree celsius A) 0.64 mol B) 0.47 mol C) 0.38 mol D) 0..
ethanol has a vapor pressure of 7.9 x 103 pa at 25ordmc. determine the free energy difference between ethanol in the
2HCrO4 ^- Cr2O7 ^2- + H2O Determine concentrations of Dichromate ion and Bichromate ion if we add .1mol/L of bichromate ion and no dichromate ion once reaction reaches equilibrium.
A sealed balloon is filled with 1.00 L of helium at 23 degrees celsius and 1.00 atm. The baloon rises to a point in the atmosphere where the pressure is 220 torr and the temperature is -31 degrees celsius.
When 50.0 mL of 0.50 M formic acid is titrated with 0.50 M sodium hydroxide, calculate the pH for each of the following: Ka of formic acid = 1.8 x 10^-4 Be sure to account for volume changes at each step.
if .43g of aluminum foil was dissolved in sufficient 3M KOH solution, and the solution was acidified with 4M H2SO4, what was the theoretical yield of KAl(SO4)2 * 12H2O
he Ksp of AgCl at 25 oC is 1.6 x 10-10. Consider a solution that is 1.0 x 10-5 M CaCl2 and 1.0 x 10-5 M AgNO3. 1. Q Ksp and a precipitate will form.
Calculate the molar volume of Ar at 500K and 60 atm according to (i) the ideal gas equation; (ii) the van der Waals equation, given a = 3.640 L2 atm mol-2 and b= 0.004267 L mol-1
The half-lives of different radioisotopes are given in the table below. If the initial amount of indium-117 is 8.4 g, how much indium-117 is left in the body after 86 minutes?
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