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Determine the nuclear binding energy of uranium-234 atomic mass = 234.040947 amu in units of joules per nucleon. [Data- neutron mass = 1.674928 × 10-24 g; proton mass = 1.672623 × 10-24 g; electron mass = 9.109387 × 10-28 g; NA = 6.0221367 × 1023 /mol; c = 2.99792458 × 108 m/s]
Write a balanced molecular equation and a net ionic equation for the reaction aluminum hydroxide with a solution of hydrobromic acid. Include the states of each species. a) balanced molecular equation b) net ionic equation
What concentration of the barium ion,Ba2+ , must be exceeded to precipitate BaF2 from a solution that is 1.00 *10 ^-2 M in the fluoride ion, F- ? Ksp for barium fluoride is 2.45 *10 ^-5.
calculate the values of E, G, and Keq for each of the following reactions at 298k. a) Sn + 2Ag^+ = Sn^2+ + 2Ag b) Cl2 + 2I^- = 2Cl^- +I2
how many grams of Lithopone will be produced in the reaction of 315 mL of 0.275 M ZnSO4 and 285 mL of 0.315 M BaS.
calculate the mass in grams of urea that must be added to 150.g water to give a solution whose vapor pressure is 2.5mm
When acetic anhydride is dessolved in water it forms acetic acid according to the balanced chemical reaction. Calculate the theoretical yield (in grams of acetic acid, FW 60.05 g/mol) if 8.79mL of acetic anhydride
Given that the enthalpy of vaporization for water at its normal boling point is 40.69kj mol^-1, Calculate q,w and ?U for vaporizing 5.00 mol at 100 degrees in an open container at 1.00 atm.
certain salts of benzoic acid have been used as food additives for decades. the potassium salt of benzoic acid
you perform combustion analysis on 255 mg of a molecule that contains only c h and o and you find that 561 mg co2 is
In the iodination of vanillin, why did the product precipitate out when the solution was treated with excess aqueous acid
Draw the product of the aldol-dehydration reaction with diethylketone and p-tolualdehyde
the empirical formula for a group of compounds is chcl. lindane a powerful insecticide is a member of this group. the
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