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Explain which of the following aqueous solutions has the strongest ion-dipole attractions: 0.3 M Na3PO4, 0.1 M NiF2, 0.2 M Rb2CO3, 0.01 M Sr(OH)2, , 0.03 M ScBr3.
Calculate the molecular weight of sulfur if 35.5 grams of sulfur dissolve in 100.0 grams of CS2 to produce a solution that has a boiling point of 49.49 oC.
What is the maximum amount of solid NaCl will dissolve in 1 liter of a 1 M solution with a 1:1 ration of MgCl2 and CaCl2
What volume of STP of CO2 would be produced by the fermentation of 13.94 of 13.94g of glucose?
The partial pressure of O2 in air at sea level is 0.21 atm. The solubility of O2 is 1.38E-3 at 1 atm. Use Henry's law to calculate the molar concentration of O2 in the surface water of a mountain lake saturated with air at 20°C and an atmospheric ..
Let us assume that we are working with a vesicle created from a biological membrane and wish to determine whether the various proteins are integral or peripheral and exposed to which side of the membrane
What volume of the solution must be used to make 800 mL of 0.15 M. potassium permangate from a 0.20 M. potassium stock solution.
In the following procedure, we are performing an extraction with ethyl acetate. What compounds are we separating from our product? Procedure
Radio waves are very low energy forms of electrmagnetic radiation. What is the energy of a mole of radio wave photons with a
A rock is found to contain 83.7% of the amount of uranium-238 that it contained when it was formed. (The amount that the rock contained when it was formed can be deduced from the presence of the decay products of u-238 .) How old is the rock?
Calculate the mass of gasoline (in kg) needed to fill up a small tank which has a capacity of 3.0 L. Assume that the density of gasoline is 0.80 g/mL
A lithium atom is contained in a cubic well 10 nm on a side. (a) Calculate the energy (joules) required to achieve the transitions from the ground state to the first excited state for this system
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 14.2 torr at 35°C. The vapor pressure of pure ethanol at 35°C is 1.00 x102 torr.
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