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If 50 mL of .100 M NaOH is titrated with .100 M HCl, what is the pH of the solution after 30 ml of HCl solution has been added?
A solution is made that is 1.1×10^?3 M in Zn(NO3)2 and 0.150 M in NH3. After the solution reaches equilibrium, what concentration of Zn2+(aq) remains. [Zn2+]
To creates a genetically modified transgenic goat that produce a protein that acts as a drug in its milk. The concentration of drug in the milk is 10 mM
When the reaction 2 H2S g ~ PCl3 + Cl2 is carried out at 1065 degrees celcius, Kp = 0.012. Starting with pure H2S at 1065degrees, what must the initial pressure of H2S be if the equilbrated mixture at this temperature is to contain 0.250 atm of H2..
Treatment of (S)-( )-5-methyl-2-cyclohexenone with lithium dimethylcuprate gives, after protonolysis, a good yield of a mixture containing mostly a dextrorotatory ketone A and a trace of an optically inactive isomer B
An 8.00 g sample of SO3 was placed an evacuated container where it is decomposed at 600 degrees C according to the following reaction.
How many grams of dry NH4Cl need to be added to 2.00 of a 0.100 M solution of ammonia, , to prepare a buffer solution that has a of 8.64? Ka for ammonia is 1.8*10^-5.
What are the alkene products of 2-bromo-3-phenylbutane treated with sodium methoxide
For each of the following states described in the following list, calculate the final pressure, as well as q, w, ?U, and H. a) the gas is expanded isothermally and reversibly until the volume doubles
Copper has a specific heat of 0.092 cal/(g·°C). When 52.7 cal of heat is added to a piece of copper, the temperature increases from 22.4°C to 38.6°C. What is the mass of the piece of copper
Explain why and calculate the difference between the delta S° values at 298 K for the complete dissociation of the two complex ions. (Hint: the value delta H is about the same for both systems.)
Complete and balance the molecular equation, including phases, for the reaction of aqueous copper(II) chloride, CuCl2, and aqueous potassium phosphate, K3PO4.
Determine the heat capacity Cp and the molar heat capacity Cp,m of a solid sample from the observation that transferring the sample with n = 4.55 mol from boiling water
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