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If one cubic centimeter section of a reactor has a macroscopic fission cross section of 0.989 cm-1, and if the thermal neutron flux is 1x10^15 n/cm2 s, calculate the fission rate per cubic centimeter.
For a certain reaction delta H=-76.8 and delta S=-217 If n=3 calculate E for the reaction at 25 degrees.
Mole fraction of MgCl2 in an aqueous solution prepared by dissolving .400 moles of MgCl2 in 850g of water
Write balanced half-reactions and the overall spontaneous reaction. (Type your answer using the format [NH4]+ for NH4+. Use the lowest possible coefficients.)
for 1st order problem, at 298k the rate is 3.8X10^-6M/s, and at 350k the rate is 4.2X10^-5 M/s. What is the half life at 360k?
Argon gas is 10 times denser than helium gas at the same temperature and pressure. Which gas is predicted to effuse faster. How much faster
Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 1.00*10^2 102 mL of solution and then titrate the solution
The mass % of Ca in CaSo4 is 29.45%. To calculate the mass of Ca present in a 25.6 g sample of this compound, the correct procedure is given by
The combustion of 13.2 g of propane, C3H8 (g), liberates 6.6x10^3 kJ of heat. What is the enthalpy change (kJ) for the reaction?
the brown gas no2 and the colorless gas n2o4 exist in equilibrium 2no2 lt----gt n2o4. in an experiment 0.625 mole of
If the concentration of mercury in the water of a polluted lake is 0.375 ug (micrograms) per liter of water, what is the total mass of mercury in the lake, in kilograms, if the lake has a surface area of 14.65 square miles and an avery depth of 35..
how many moles of sodium are there in 2.5 moles of na3po4 and what would the process be for finding the weight of so2
Calculate the amount of heat (cal) necessary to convert 34g of ice at -3oC into liquid water at 25oC.
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