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1) What is [H3O+] in a solution obtained by dissolving 205ml HCl(g), measure at 23C and 751 mm Hg, 4.25 L of aqueous solutions?
2) What is the pH of the solution obtained when 125mL of 0.606M NaOH is diluted to 15.0 L with water?
The reaction the question refers to is the reaction between salicylic acid and acetic anhydride, which is catalyzed by sulfuric acid and produces aspirin and acetic acid.
distinguish between an absorption spectrum and an emission spectrum. with which did bohr
Mendeleev ordered the elements in his version of the periodic table on the basis of atomic masses instead of their atomic numbers. why
What is the kinetic energy of this soccer baal? Mass of soccer ball is= 0.38 kg and fits this description out of these four given cations ?
What half-reaction will occur at the anode in the electrolysis of an aqueous solution of gallium chloride (GaCl3)
Which of the following is the [OH-] in pure water at room at room temperature? A) 1.0 x 10^-14 M B) 1.0 x 10^-7 M C) 1.0 x 10^7 M D) 1.0 x 10^14 M
What is the enthalpy of vaporization of acetone (CH3COCH3) at its normal boiling point of 56.2?C? The entropy of vaporization of acetone is 88.3 J/K·mol,Answer in units of kJ/mol
The solubility of Pb(NO3)2 is 55 gramsper 100 g H2O at 20 degrees celcius. Which term would properly describe a soloution where 44 grams of Pb(NO3)2 is added to 100 grams of water at this temperature
use the concept mof electron configuration to explain why the number of valence electrons in metals tend to be less the number in most nonmetals.
Many organic chemists when making a new solid compound often first try ethanol as a recrystallizing solvent. If soluable at room temperature, they simply add water and this often works! Why?
How much PPP do you need to make 500ml of the solution if you only have 25g and you know that the MW of PPP is 478 g/mole.
When NaOH is added to the reaction mixture, Cu(OH)2 does not immediatly precipitate. What else in the reaction mixture reacts with NaOH before Cu(OH)2 is formed?
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