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Explain what are the chemical differences between an equivalence point as well as an endpoint in titration and utilize this to explain weather phenolphthalien could be utilized as an indicatior in any acid/base neutralization.
A 0.28 mol sample of a weak acid with an unknown pKa was combined with 12.0 mL of 3.10M KOH and the resulting solution was diluted to 1.500 L.
2 NH3 + CH3OH → products . How much NH3 is needed to react exactly with 21 grams of CH3OH
Could someone please explain why synthesized soap and detergent have different reactions when they are mixed with calcium chloride
two engineers are calculating the molecular weight of a gas mixture containing oxygen and other gases. one of them uses
The stable allotropic form of phosphorus is P4, in which each P atom is bonded to three other P atoms. Draw a Lewis structure of this molecule and describe its geometry.
Write the equation showing the S-trans to S-cis equilibrium of the two conformations for a. (E)-1,3-pentadiene b. (Z)-1,3-pentadiene and which equilibrium will favor the s-tans conformation more strongly?
A gas has a volume of 5.60 at 0. What is the tempatuer in degrees celsius if the volume is 200mL
compare the bond order of the carbon-to-carbon bond in the diatomic molecule c2 that you would establish from a lewis
Calculate how much water must melt in order to reach exactly 0 degrees celsius at thermal equilibrium. b) Calculate the entropy changes for ice, liquid water and the total entropy change.
Determine the thickness needed to reduce the intensity of a beam of gamma rays to 1/4th of its initial intensity (in g/cm^2, in cm) for a 300 keV gamma ray in Al, and in Pb.
Explain how much does it cost me every time we heat the air in the living room from 73.0°F to 76.0°F? How many kWh does it take? The heat capacity of our air is 1.01 J/(g°C).
If a Gammow bag is pressurized to .14atm above atmospheric pressure at an altitude of 25,000 ft, where atmospheric pressure is .37atm, explain what height column of mercury would be supported by the pressure inside the pressurized bag
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