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Problem- A solution is made by dissolving 0.45 mole of NaF in enough water to give a final volume of 300.0 mL. What is the molarity of the solution?
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benzyl chloride c6h5ch2cl reacts with ethanolic koh to form two products.give their identities and suggest how they
Red phosphorus is fairly stable, while white phosphorus will ignite spontaneously in air above 50 C. Determine the change in entropy for the conversion of the white form to the red form
a 500 mg tablet of antacid all 500mg is calcium carbonate is put into 250 ml of 0.12m hydrochloric acid. what volume of
Choose two functional groups and for each group find a household product that contains the group. Then explain the action of the product in terms of the intermolecular forces that these groups impart to the molecule.
Phosphorus pentachloride decomposes to phosphorus trichloride and chlorine gas at elevated temperatures by the following reaction: PCl5(g) PCl3(g) + Cl2(g). If Kc = 1.8 at 250°C, what is the value of Kp at the same temperature
A 24.9 mL volume of HCl reacts completely with 55.0 mL of aqueous Na2CO3. The reaction is as follows:2HCl (aq)+ Na2CO3(aq)-> CO2(g)+H2O(l)+2NaCl(aq)
Decane has 4.5 min retention time on HP-1 column (25 m length, 0.25 mm I.D., 0.33 mkm film thickness) at 120C. Calculate the capacity factor for decane on HP-1 column (25 m length, 0.25 mm I.D., 0.5 mkm film thickness) at 120C. Explain.
Provide a molecular-level explanation for why the absorbance of light increases as the concentration of dissolved food dye in a solution increases.
In metallic magnesium, define what fraction of the 'molecular orbits' contained in the valence b as well as plus the conduction band are occupied by electrons
A compound is found to have a molar mass of 598 g/mol. If 35.8 mg of the compound is dissolved in enough water to make 175 mL of solution at 25°C, what is the osmotic pressure of the resulting solution?
Which of the following ions is least likely to form colored compounds? A) Mn2+ B) Cr5+ C) Sc3+ D) Fe3+ E) Co2+
A solution is prepared by dissolving 14.7 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.00 mL sample of this stock solution is added to 56.00 mL of water.
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