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Consider the compounds with the generic formulas listed below and their corresponding molar solubilities in pure water.
A2X; molar solubility= 1.53*10^-4MAX; molar solubility= 1.25*10^-4MAX2;molar solubility= 1.20*10^-4M
Which compound will have the smallest value of Ksp?
In outer space, a baseball of mass m = 0.140 kg travels at velocity vi = (2.00 m/sec, 5.00 m/sec, 0); let the z-axis be up out of the plane of paper. calculate the average interaction force on the stick
A theory of economic growth cannot ignore the importance of technological progress and human capital. Discuss whether you agree or disagree with this statement using evidence to support your argument.
An advertisement claims that a centrifuge takes up only 0.127 of bench space but can produce a radial acceleration of 4900 at 8160 . Calculate the required radius of the centrifuge
Determine whether or not the mixing of each of the two solutions indicated below will result in a buffer. 1.100.0 mL of .10 M NH3; 100.0 mL of .15M NH4Cl.
The planet Saturn has a satellite, Calypso, which travels in an orbit of radius 2.950×108 m with a period of 1.89 days. Calculate the mass of Saturn from this information
A solution containing potassium bromide is mixed with one containing lead acetate to form a solution that is 0.013 M in KBr and 0.0035 M in Pb(C2H3O2)2. Will a precipitate form in the mixed solution
A firecracker resting on a level street explodes into three pieces of equal mass. Immediately after the explosion, the first piece is moving north at 125 m/s, and the second piece is moving east at 75.0 m/sec. What is the velocity of the third piece ..
A bullet is fired into a large stationary absorber and comes to rest. Temperature measurements of the absorber show that the bullet lost 2080 J of kinetic energy, What is the mass of the bullet
Demonstrate in your script your ability to interact professionally and effectively in a professional environment - identified an appropriate professional who met the requirements for the interview.
What is the cost of common stock for Whitewall?
A solution of ammonia and water contains 3.50×1025 water molecules and 5.80×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
Calculate the partial pressure of hydrogen gas at equilibrium. and calculate the vaue of Kp for this reaction.
if the initial water level in the graduated cylinder is 21.2 ml and the level rises to 27.7 ml after the object is placed in the cylinder, what is the volume of the object?
When a particular metal is illuminated with photons, one electron is observed for each absorbed photon. What effect would decreasing the wavelength and number of photons, have on the electrons leaving the surface
A drug with the molecular formula C25H38O5 has 2.14 x 10^23 carbon atoms. What is the mass of the sample?
what law is illustrated by the fact that ice,water,and steam consist of 88.8% oxygen and 11.2% hydrogen by mass.
The second virial coefficient of methane can be approximated by the empirical equation , where a = -0.1993 bar-1, b = 0.2002 bar-1, and c = 1131 K2 with 300 K
A solution is prepared by dissolving 14.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.50 mL sample of this stock solution is added to 55.00 mL of water.
When synthesizing aspirin in the lab, what is the purpose of the sulfuric acid in the mixture. ((Mixed 2g salicylic acid, 5mL acetic anhydride, 5 drops concentrated sulfuric acid, added distilled water after heating)).
A solution contains 0.22 M CaCl2 and 0.12 M MgCl2. What concentration of hydroxide ions would be required to separate the magnesium as Mg(OH)2 without precipitating the calcium as Ca(OH)2?
Scientists are working on purifying PFK-1C from rabbit brain tissue. The rabbit brain tissue was homogenized and centrifuged to remove insoluble material. Next, the soluble preparation was loaded on top of an ATP-Sepharose column.
A reverse osmosis plant desalinates 5x10^6 L/day of feedwater containing 1500mg/L of salts yielding 3x10^6 L/day of product water with 75 mg/L of salt. What would the salt concentration be in the brine?
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