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For every three U-235 nuclei that fissions in a nuclear reaction, two nuclei of Pu-239 waste are produced. Suppose you leave a 100W light on for 1 hour. If your electricity comes from a 33% efficient nuclear power plant, how many Pu-239 nuclei are produced as a result of your leaving the light on? (Each U-235 nucleus that fissions produces about 30 x 10^-12 J of energy)
Reaction of methanoic and ethanoic acids with CaCO3, If I have a 1 liter aqueous solution that contains 15 mg/L methanoic acid and 15 mg/L ethanoic acid
Calculate the distance (in Angstroms) and energy (KJ/mol) where the molecules are most attractive.
What is the freezing point of a 28.6% (by mass) aqueous solution of HCl? Assume the HCl is 100% ionized.
If 160 mL of wet h2 is collected over water at 24 degrees Celsius and a barometric pressure of 738 torr , how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 torr.)
53.6 g sodium nitrate is dissolved in water to make 654 g of solution.What is the percent sodium nitrate in the solution.
write equations for the chemical reactions that occurred between the aqueous solutions of the oxides of sulfur and calcium and between the aqueous solutions
How much heat is required to warm 229 g of ice from -44.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
NO (g) + O3 (g)-> NO2 (g) + O2 (g) For the reaction given, the frequency factor A is 8.7 x 1012 s-1 and the activation energy is 63 kJ/mol. What is the rate constant for the reaction at 75°C.
Litre of white gas, and density of the gas is 0.710 g/cm 3 . Calculate the mass of the fuel and express your answer in kgs?
At 1500 degrees C the equilibrium constant for the reaction CO(g)+2H2(g) -->
A sample of nitrogen gas is contained in a piston with a freely moving cylinder. At 0 C,the volume of the gas is 361 mL. To what temperature must the gas be heated to occupy a volume of 492 mL.
what is the average power (energy per unit time) in units of watts (1W = 1J/s) associated with such a pulse? b. How many photons are emitted in such a pulse?
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