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NH3 is a weak base (Kb = 1.8 × 10-5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.088 M in NH4Cl
Find the normal boiling point of a saturated solution of LiF at 100C, assuming it undergoes complete dissociation. The solubility of LiF is 230 mg/100 g of water at 100C
what are the practical properties of acetone and detailed explanation of its properties.
when a current of 0.156A is passed through a solution of lead(II) nitrate, lead is deposited at the cathode. How long will it take to deposit 0.10g of lead?
Consider barium hydroxide, Ba(OH)2, a white powdery substance. Student A prepares a solution of Ba(OH)2 by dissolving 4.23 g of Ba(OH)2 in enough water to make 455 ml of solution.
the resulting solution required 38.10mL of 0.08765M AgNO3(aq)to precipitate the Cl(aq) and BrCl(s)and AgBr(s) calculate the mass percetage of NaCl(s)in the mixture
Briefly describe the pathway of the protons and electrons of two hydrogen atoms that come from NADH/H+ and pass through the electron transport chain apparatus (including complexes I - V). What are the major electron carriers within these complexes
Calculate the concentrations of all species at equilibrium for the following case.
How can integral dQrev/T vanish when integrated around a cycle while the cyclical integral of dQrev remains finite
Write balanced chemical equations and the solubility product expressions for the solubility equilibria of silver chloride and calcium phosphate.
A 10.80-mL sample of sulfuric acid from an automobile battery requires 35.18-mL of 1.62 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? Sulfuric acid contains two acidic hydrogens.
A cube of a silver-colored metal with a volume of 64 cm3 has a mass of 672 g. The density of pure silver is 10.5 g/cm3. Is the metal pure silver?
Normalize the harmonic oscillator wavefunctions for v=0 and v=1 (?0, ?1) by evaluating the appropriate integrals. Confirm your answer by calculating the normalization factor
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