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For the titration of the weak base, aniline (concentration of 194 mM), with 13 M HCl, which portion of the titration curve are you in to reach pH = 7? Show your calculations to prove that dilution of 10,000 gal aniline requires 0.58 gal of this acid.
This equation means that no matter how much carbon monoxide and oxygen gas is added to the flask, only 2 moles of CO and 1 mole of O2 will react to make two moles of Co2.
The first equivelence point is reached when 24.50 mL of base have been added. What is the molecular weight of the unknown acid?
Find the volume and the intermolecular force present in ammonia at STP in the following reaction and What is the intermolecular force is present in NH3(g).
Two students weighed a 125-ml beaker that had a mass of 80.562g on a calibrated top-loading balance. Each student used their own top-loading balance, recorded three mass readings for the beaker
Which of the following would be expected to have a bent (angular) shape?
An extraction procedure specifies that an aqueous solution containing dissolved organic material be extracted twice with 10-mL portions of diethyl ether.
You dissolve 1.00 gram of an unknown diprotic (two titratable protons) acid in 200.0 mL of H2O. This solution is just neutralized by 5.00 mL of a 1.00 M NaOH solution. What is the molar mass of the unknown acid?
Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition
The heat of vaporization of liquid nitrogen is determined by measuring the change in temperature of a known sample of warm water when liquid nitrogen is added.
If you set the freezing point of oleic acid as 0 and the boiling point as 130, what is the freezing point of water on this new scale?
the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas the rate law must be determined experimentally.
Starting from the left side of the periodic table, the melting and boiling points of the elements first increase, and then decrease
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