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The Ksp value for copper(II) sulfide is 6.0 × 10 -37. What is the molar solubility of this compound?
Which of the following molecules is expected to form hydrogen bonds in the pure liquid or solid phase: ethylene glycol (HOCH2CH2OH), formaldehyde (H2CO), and dimethyl ether (CH3OCH3)?
Assume that 500g of dry ice is placed in a cavity with a volume of 0.800 L and the ignited gunpowder heats the CO2 to 700 K. What is the final pressure in the hole?
A certain first-order reaction (A products) has a rate constant of 4.80×10-3 s^-1 at 45 C. How many minutes does it take for the concentration of the reactant, [A], to drop to 6.25% of the original concentration?
What is the percent by mass of NaHCO3 in a solution containing 70 g of NaHCO3 dissolved in 700 mL of H2O?
From the examples you state, select one acid, one base, and one salt and describe specifically how and where they are used in therapeutic processes. Define a buffer and explain how a buffer works.
how much energy is liberated when 366 g of mercury (c=0.139j/g degrees celsius)cools from 77.0 C to 12.0 degrees celsius?
In the formation of dibenzalacetone, do you expect the configuration of the double bonds in this compound to be E,Z, or a mixture of both? WHY?
she observed the formation of a large volume of precipitant while trying to dissolve copper sulfate in the irrigation water from the well on her farm (which contains high levels of hydrogen sulfide). What explanation can you provide for this obser..
Find the theoretical, percent yield and percent error of the reaction - Calculate the percent error of this reaction.
Determine how many kgs of Ca are there in a 205-pound man If 1.4 percent of the mass of a human body is calcium(Ca)?
2 NH3 + CH3OH → products . How much NH3 is needed to react exactly with 21 grams of CH3OH
What is the percent ionization of a 0.177 M solution of this acid?
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