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Whichof the following is a reasonable volume for a teacup: 25 mL, 250 mL, 2.5 L, or25 L? Whatis the area of the oceans in square kilometers if the Earth's oceans contain3.5 x 108 mi3 of water and cover an area of 1.40 x 108mi2?
The variation of the atmospheric pressure p with altitude h is predicted by the barometric formula to be p = p0 e^(-h/H) where p0 is the pressure at sea level and H=RT/Mg with M the average molar mass of air and T the average temperature. Obtain t..
An ear drop formula contains 60 mg of antipyrine and 19 mg of benzocaine in each milliliter of solution. What is the percentage strength of benzocaine in the formula
Provide four reasons why we did not make N-methyl Prozac using the following route of B2H6, SOCl2, and 4-trifluoromethylphenol
A 1.0 ounce piece of chocolate contains 15mg of caffeine, and a 6.0 ounce cup of regular coffee contains 105mg of caffeine. How much chocolate would you have to consume to get as much caffeine as you would from 2.0 cups of coffee.
Question- A polymer graft is incubated in a large container of plasma solution containing albumin (40 mg/ml), fibrinogen (2 mg/ml) and globulin (4.6 mg/ml). The diffusion coefficients of these protein molecules
Describe how the pseudo rate constant, k', is determined from the experimental data? Also describe how k, the true rate constant, is determined from the experimental data
determine the ph of an equilibrium aqueous mixture of 1.0 m glycine gly and 0.5 m hcl assuming that pkdnan 9.8 for the
An element has two common isotopes. 98.89% of its atoms have an atomic mass of 12.09amu whereas the other 1.11% have an atomic mass of 13.10amu. Utilizing the isotopic composition provided, compute the average atomic mass of the element
In one experiment, the partial pressure increased from zero to 100 Pa in 522 s in a first-order reaction when the initial concentration of pyruvate ions in 100mL of solution was 3.23 mmol L^-1. What is the rate constant of the reaction
Consider the following on data on Bell Lake, Based on the Ksp for Al(OH)3 of 1 x 10-33 what are the highest theoretical concentrations of Al3+ at these pH values, in µg /L?
Suppose that coal of density 1.5 g/cm3 is pure carbon. (It is, in fact, much more complicated, but this is a reasonable ?rst approximation.) The combustion of carbon is described by the equation
If gasoline's composition is estimated to be 50% octane, 25% pentane and 25% ethly benzene on a mol basis, calculate the mols of oxygen required per mol of fuel for complete combustion.
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