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The Vapor pressure of a solution containing 36 g of calcium phosphate in 45 g benzene was calculated to 18000 Pascals at 40 °C. Calculate the vapor pressure of pure benzene at 40°C.
Calculate the effective radiation dosage (in Sieverts) for a 85-kg person who is exposed to 7.3 × 109 particles of alpha radiation. Assume that 85% of the radiation is absorbed, each alpha particle has an energy of 6.0× 10-13 J, and that the RBE o..
Ammonia, NH3, is a stronger ligand than Cl- but weaker than CN-. Complete the balanced equations for the reactions that are predicted to occur
Write a balanced chemical equation for the reaction of HNO3 with S to form H2SO4, H2O and NO2. How many moles of HNO3 and H2O are there
a 325 ml sample of solution contains 25.3 grams of cacl2. calculate the molar concentration of cl- in this
What is the boiling point of a solution of 0.150 mole Al(NO3)3 in 0.500 kg water? (Kb=0.512 degrees C m-1). A) 100.15 B) 100.61 C) 99.39 D) 100 E) 100.31 If you could explain how you got the answer it would be greatly appreciated.
Use the distance between the charges (the spring length) BEFORE contraction to get the spring force (using coulomb's law) and divide that by the distance that it contracted to get the spring constant OR
what volume of 3m sulphuric acid is required to neutralize all of the c7h5nao3 and the excess sodium hydroxide present
what fraction of this side chain is positively charged and what fraction is neutral at pH 7.2?
for 1st order problem, at 298k the rate is 3.8X10^-6M/s, and at 350k the rate is 4.2X10^-5 M/s. What is the half life at 360k?
in a certain experiment 28.01 ml of .2500 m nitric acid and53.0 ml of 0.3204 m potassium hydroxide are mixed.a
A circular colony of mold with diameter of 4.8 cm and density of 0.0023 g/cm2 what is the mass of object
A sample containing 0.0250 M concentration of a dye in a cell of 1 cm^2 cross section has a measured absorbance of 1.012 at 650 nm.
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