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Briefly describe how nuclear fission is different from nuclear fusion and how fusion produces energy.
If a voltaic cell is constructed by immersing a strip of silver metal in a 1.0 M AgNO3 solution as well as a strip of cadmium metal in a 1.0 Cd(NO3)2 solution. If the circuit is completed by a wire and a salt bridge in the usual way.
A solution of malonic acid, H2C3H2O4, was standardized by titration with 0.1000M NaOH solution. If 20.76mL of the NaOH solution were required to neutralize completely 13.15mL of the malonic acid solution, explain what is the molarity of the maloni..
How many grams of sodium hydrogen phosphate and sodium dihydrogen phosphate are needed to make 300 mL of a 0.12 M phosphate buffer with a pH of 7.2
When 5.00 g of fructose, C6H12O6, (FW 180.16 g/mol) is burned in a calorimeter whose heat capacity is 29.7 kJ/oK, the temperature increases by 2.635oK. Calculate the heat of combustion of fructose in kJ per mole.
calculating the pH of a strong acid the concentration of H+ ions is taken to be the same as the initial concentration of the reactant. According to the equations I've seen [H+][OH-] = 10^
Find the equilibrium concentrations of A and B for a=2 and b=2. Assume that the initial concentration of is a= 1.0 and that no b is present at the beginning of the reaction. Consider the following reaction and associated equilibrium constant: aA(g..
Professor Higgins has 20 students in his class. For each student, Professor Higgins will enter the student's name and store into a "names" array, then input the value for each of the averages (exam, quiz, and lab). Using the weighting above, the prog..
The molar enthalpy of fusion of ice at 0 Celcius is 6.02 kJ/mol; the molar heat capacity of supercooled water is 75.3 J/(mol-K). (a) One mole of supercooled water at -10 Celcius is induced to crystallize in a heat-insulated vessel.
If 2.50 g CuSO4 are dissolved in 8.0 x 102 mL of 0.25 M NH3, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium
The transmittance of the mixture was read and compared to a calibration curve which indicated a concentration of I3^- as 5.52*10^-4 M. Calculate the following a.) the molesof I3^- in the mixture
What concentration of CrO4-2 is needed to precipitate as much Ba+2 as possible without precipitating the Ca+2. (BaCrO4:Ksp=2.1x10^-10; CaCrO4:Ksp=7.1x10^-4)
A 1.241-g sample of a solid, weak, monoprotic acid is used to make 100.0 mL of solution. 50.0 mL of this solution was titrated with 0.08126-M NaOH. The pH after the addition of 30.29 mL of base was 4.86, and the equivalence point was reached with ..
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