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What is the pH of a 0.15 M solution of aqueous Acetic Acid? The Ka of acetic acid is equal to 1.7 x 10^-5
a. 2.3
b. 1.6
c. 4.7
d. 13.2
e. 3.5
f. 2.8
The pressure of 4.57 L of an ideal gas in a flexible continer is decreased to one-third of its original pressure, and its kelvin temperature is decreased by one half
What iron phase is characterized by body-centered cubic, a solid solution of carbon and/or alloying elements in FCC iron (carbon ranges from 0 ~ 0.025%)
a sample of argon gas is at a pressure of 1.24 multiplied by 10^4kpa and a temperature of 24 degrees celcius in a rigid 25-L tank. how many moles of argon does the tank contain?
CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced?
The solubility of compound A in ethanol is 0.80g per 100.0mL at 0oC and 5.00g per 100.0mL at 78oC. What is the minimum amount of ethanol needed to recrystallize a 12.00g sample of compound A.
what volume of liquid benzene must be vaporized to give that average concentration in a room
Select each side of the mass balance equation for an Fe3(PO4)2 solution where the existing species are Fe2
Chlorine reacts with water to produce hydrochloric acid. Suppose 2.5 kg of chlorine were added to an olympic-sized swimming pool. How many grams of calcium carbonate would be needed to neutralize
What are the active ingredients & determine what possible tests to perform to identify each active ingredient. (what is the expected result?) - can't use melting points, boiling points, burning of solids, benedict's solution and tasting.
What is the pH of the solution created by combining 1.70 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)? with 8.00 mL of the 0.10 M HC2H3O2(aq)?
Using standard reduction potentials, calculate the equilibrium constants for the following reactions.
What is the osmolarity of the 5.0% m/v calcium chloride solution? If you put a red blood cell into this 5.0% m/v calcium chloride solution, explain what would happen to the cell during the process of osmosis and why?
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