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The alpha particles emitted by radon-222 have an energy of 8.8 x 10^-13 J. If a 200. g Pb brick absorbs 1.0 x 10^10 alpha particles from radon decay, what dose in rads will the brick absorb
Hemoglobin, a nonelctrolyte is an iron containing protein found in red blood cells. The osmotic pressure of 25.0 mL of an aq. soln containing 0.658 g of hemoglobin is 9.88x10^-3 atm at 25.0 *C. Determine the molar mass of hemoglobin
a sample of argon is at a pressure of 1.24*10^4 kPa of 24 degrees c in a rigid 25-L tank. How many moles of argon does this tank contain?
sulfate pentahydrate are made into a solution with 512.441 g of water. What is the molality of the copper sulfate solution?
Consider the bronsted-lowry reactions taking place in these solutions. Indicate the type of Bronsted-Lowry species that characterizes the acid-base chemistry of the referenced solution.
The density of liquid oxygen at its boiling point is 1.14kg/L , and its heat of vaporization is 213kJ/kg. How much energy in joules would be absorbed by 4.0 L of liquid oxygen as it vaporized.
Calculate the heat of combustion of cyclohexatriene using the bond energies for C=C,C-C, and CH provided below. The actual value measured experimentally is 3331.2 KJ/mol
Light with a wavelength of 330nm shines on a piece of metal with a threshold energy of 4.60 eV. What would you expect for the kinetic energy
Why do the metals Co, Rh, and Lr form octahedral complexes (rather than tetrahedral or square planar complexes)
Zinc metal can be obtained from zinc oxide (ZnO) by reacting the oxide with the element carbon. The products of the reaction are Zn and CO2.
a thermodynamic study of DyCl3 determined its standard enthalpy of formation from the following information. Determine delta (subscript f) H for DyCl3 from the following reaction enthalpies
If I ate to eggo waffles with lite syrup, 1 egg with a little bit of hot sauce with a bottle of water and I do Leslie Sansone's Just walk belly blasting walk with two workouts and two fast miles exercise video after I at that.. Will I have burned of..
Briefly comment on whether or not this experiment shows that you can successfully model the packing of atoms in a liquid by randomly packing
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