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Problem- Uranium-235 is an essential component of the fuel in the nuclear power plant. What is the binding energy per nucleon for 235U in MeV? (Mass of 235U atom=235.0439 amu; mass of 1H atom=1.007825; mass of neutron=1.008665amu.)
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Until 200 yr ago, manufactured iron contained charcoal produced from freshly cut wood that was added during the smelting process. As a result of this practice, older samples of iron can be dated accurately using the carbon-14 method
Determine how many moles of Trisodium phosphate would be required to react with 4.0mol of Silver Nitrate?
How many bananas would be needed to power a 100 W light bulb. Your solution must begin with a calculation of the amount of 40-K in a banana and include the half-life and the decay energy.
in europe gasoline efficiency is measured in rm kml. if your cars gas mileage is 23.0 migal how many liters of gasoline
How many grams sodium chloride (mol wt = 58.4g/mole) are needed to make 550 mL of a 1.90 M aqueous solution of sodium chloride
Given 217 mL of a buffer solution that is 0.46 M formic acid and 0.27 M sodium formate, calculate the pH of this solution after the addition of 2.8 mL of 6.3 M hydrochloric acid. The Ka of formic acid is 1.8x10-4
Question- What is the density in (g/L) of a sample of nitrogen gas that occupies a volume of 6.78L at a pressure of 2.43 atm and temperature of 40.6 degrees Celsius
Draw the kekule structure of each of the following compounds. if cis/trans isomers exist, draw both and indicate the geometry of each. Also draw the structure of a constitutional isomer.
A gaseous hydrocarbon fuel is burned in 26.84% excess oxygen and the exhaust gas analyzed. On a dry basis, the ratio of carbon dioxide to carbon monoxide to oxygen in the exhaust gas
Normally the alkaline earth carbonates (MCO3; M = Mg^2+, Ca^+2, Sr^+2, Ba+2) are insoluble in water. Why would the method used in this experiment work for calculating the molar mass of the alkaline earth? How would the calculations have to be cha..
A student weighed out 0.1225 g of the unknown copper bromide salt and carried out a titration like the one you performed in week 4. If the sample required 17.00 mL of 0.03525 M thiosulfate solution to reach the endpoint, what is the percent by ma..
500 mL of 0.22 M HCl and 500 mL of 0.20 M NaOH were added to a calorimeter. Assume both substances have a density of 1 g/mL and a specific heat capacity of 4.184 J/g°C.
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