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What is the pH of a solution prepared by titration 100.0 mL of 0.100 M Acetic Acid (CH3COOH) with 20.0 mL of 0.250 M NaOH?
The osmotic pressure of 0.010M solutions of a non-voliatile electrolyte solure "a" and a non-volitale non-electrolyte solute "b" are 0.605 atm and 0.235 atm respectively
explain why this series of reaction will produce the 3,5-dibromotoluene and direct bromination of toluene produces the 2,4-dibromotoluene.
Gold has a face-centered cubic structure and has a density of 19.3 g/cm3. What is its atomic radius?
Cyclopentadiene is unstable because it rapidly undergoes a Diels-Alder reaction with itself. Carefully draw the structure of the product, showing stereochemistry clearly.
the elemental mass percent composition of ascorbic acid (vitamin C) is 40.92% C, 4.58% H, and 54.50% O. Determine the empirical formula
Draw an approximante titration curve for the titration of 75 mL of 0.020 M NH3 (pKa of NH4=9.24) with 0.10 M HCl. Label the axes
Nitrogen and hydrogen combine to form ammonia in the Haber process. Calculate (in kJ) the standard enthalpy change ?Hº for the reaction written below, using the bond energies given.
Hydrogen sulfide decomposes according to the following equation, for which Kc = 0.00011 at a given temperature. 2 H2S(g) 2 H2(g) + S2(g)
What characteristic properties distinguish the transition elements from the Group IA and -IIA metals?
When 100.g Mg3N2 reacts with 75.0 g H2O, 15.0 g of NH3 is formed. What is the % yield?
A room of volume of 2 cubic meters is initially at 19 C and 101 kPa. A block of dry ice (solid carbon dioxide) is dropped into the room and then the room is sealed (air tight)
A reaction occurs at a rate of 2.25 *10-2 moles per liter per second at 332 K. Estimate the increase in the rate of a reaction when the temperature increases to 332 K. Express the rate in moles per liter per second.
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