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Aniline C6H5NH2 is a base that is utilized in the manufacturing of some perfumes. Explain what is the pH of a 0.035-M solution of aniline at 25 deg C? The Kb = 4.2*10-10 at 25 deg C. Explain what is the conjugate acid to aniline as well as what is the value of Ka for the conjugate acid of aniline?
question calculate the standard emf at 25degc of the propane fuel cell given that delta gdeg formation for propane
If you had excess aluminum, how many moles of aluminum chloride could be produced from 28.0 grams of chlorine gas
what will the freezing points be of the resulting solution? kf(H2O)=1.86 C/m
On dividing equation five for reaction mixture one by reaction mixture three and after cancelling out the common terms (k', terms in (I-) and (H+)), she got the equation: Distinguishing that 13.3/25 is about equal to 1/2, she obtained an estimated ..
The first ionization energies for Ge, As, and Se are 762, 944, and 941kJ/mol, respectively. Explain these values in terms of their electron configurations.
Consider the titration of 25.0 mL of 0.0500 M HClO4 (perchloric acid, a strong acid) with 0.100 M KOH (a strong base). (a) Find the volume require o reach the equivalence point (complete the reaction). Find the pH after adding the following volume..
Using a spectrometer and beers law to determine % of copper in a brass sample: what equations are used to determine all.
How does the hydrogen ion (H+) [or the hydronium ion (H3O+)] and the hydroxide ion (OH-) fit into all of this? What is their role in this reaction?
how many atoms are in a small piece of aluminum foil that has a mass of 0.100 g? the mass of an atom of aluminum is 27.0 amu
A balloon containing 6.40 g of nitrogen, N2, has a volume of 5.00 L. What mass of hydrogen, H2, must be added to the balloon to expand its volume to 11.0 L
If LiF dissolved in water what two ions would form. What part of the water molecule would be attracted to each of the ions listed above and why
If a divalent metal ion is inserted in the center of the porphine ring, its charge will exactly balance the two negative charges of the dianion. Write a balanced equation for the reaction of tetraphenylporphyrin (which you can abbreviate as TPP) w..
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