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How much heat is emitted when 4.55 of water condenses at 25 ? The heat of vaporization of water at 25 is 44.0.
Calculate delta g rxn and e cell for a redox reaction with n=3 that has an equillibrium constant of K
[NO2] = 0.65 M, [NO] = 7.2 × 10-8 M, and [N2O] = 0.048 M. What is the value of Kp for this reaction? Enter your answer in scientific notation.
A 35.0-mL sample of 0.20 M LiOH is titrated with 0.25 M HCl. What is the pH of the solution after 23.0 mL of HCl have been added to the base?
what is the boiling point of a solution containing 2.33 grams of C8H10N4O2 , dissolved in 15 grams of benzene?
Calculate the concentration of Cu^2+ in a solution prepared by adding 4.5*10^-3 mol of CuSO4 to 0.490 L of 0.37 M NH3.
For exemple, the internuclear distance in NaCl(g) is 2.3606 angstrom, whereas in NaCl(s) the shortest Na-Cl distance is 2.814 angstrom
What is the product of toluene+ conj base of alcohol? ( a ring with a O- ) also, where does equilibrium lies?
A solution is made by dissolving 3.14g of NaCl in 79.9mL of water. What is the concentration of sodium chloride in units of weight/volume percent?
A solution is prepared by dissolving 285 g of sucrose (C12H22O11) in 624 g of water. What is the vapor pressure of this solution at 30°C? (The vapor pressure of water is 31.8 mmHg at 30°C.)
How many grams of water at 0oC could be frozen to ice at 0oC by the evaporation of 493 grams of isopropyl alcohol?
Adenine is a purine base that is a component of several important molecules, including adenosine triphosphate (ATP), flavin adenine dinucleotide (FAD), DNA, and RNA. Draw adenine.
if 25.00mL of .2500 M formic acid is titrated with 25.00mL of .2500 M NaOH, what is the pH at the equivalence point? the Ka for formic acid 1.8x10^-4.
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