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For each of the following species, draw its Lewis-dot structure. If the species exhibits resonance, draw all the resonance hybrids. For each species, tell its shape, bond angles, hybridization of the central atom, and whether it is polar or nonpolar.
A. (PCl3)2-
B. (NO3)-
C. (TeBr4)2+
Will the temperature decrease shift the equilibrium toward the reactants or products for a reaction characterized by a positive reaction enthalpy and positive reaction entropy?
Draw a mechanism to demonstrate how pyridine catalyzes the hydrolysis of acetic anhydride to two molecule of acetic acid. Is this reaction reversible?
Sulfamic acid is a primary standard that can be used to standardize NaOH. What is the molarity of a sodium hydroxide solution
Predict the type of bond (ionic, covalent, or polar covalent) one would expect to form for each bond.
NaOH to achieve a phenolphthalein end point. Express the acidity of the wine in terms of grams of tartaric acid (H2C4H4O6, fw 150.09) per 100 mL of wine.
What role does ammonium bromide play in the conversion of the trans-substituted aziridine to the diazabicyclo
A beaker with 120 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.50 mL of a 0.250 M HCl solution to the beaker. How much will the pH..
Given the reaction 4Al(s)+302(g)--2Al2O3(S), what is the minimum number of moles of oxygen gas required to produce 1.00 mol of aluminum oxide?
what is the hydrogen ion concentration of this solution? What volume of .250 M KCl will completely react with 50.0 mL OF .115 m Pb(NO3)2?
A beaker contains 0.964 grams of nitrogen. How many moles of molecular nitrogen does the beaker contain?
A buffer may be prepared by mixing a weak acid with a roughly equivalent amount of strong base. Which of the acids below is best for the preparation of a buffer with a pH of 4.00
ethanol or t-butyl alcohol were used instead of iospropyl alcohol in the attempted photochemical dimerization of benzophenone
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