6. Calculate AE, in joules, for the reaction of one nucleus of polonium-210: 21084Po +2'on →...
6. Calculate AE, in joules, for the reaction of one nucleus of polonium-210: 21084Po +2 'on → 20882Pb + 42 He 7. A sample contains 4.6 mg of 13153 I. How many mg will remain after 3.0 days? The half- life of 131331 is 8.0 days.
Cosculate the energy released in joules when one mole of polonium-214 decays accora blowing couation Paide Mass jamu -70 20998284 Po.2M 20.99519 4 400260 Tig60221026 amu, N6022 10:23 mor! - 299792458 • 108 m's)
Calculate the value of AE in joules for a system that loses 94 J of heat and has 150 J of work performed on it by the surroundings. 0-244 J -56 J O -94 J +244 J +56J 281
18) Calculate the nuclear binding energy in joules and in J/nucleon for Li-7 nucleus with a mass of 7.01600 amu. (Mass of a proton: 1.00782 amu Mass of a neutron: 1.00866 amu 1 amu = 1.6605 x 1027 Kg, C = 3.0 x 108 m/s )
calculate delta h neutralization in joules per mole for the reaction of 1.00 mol of hno3 with 1.00 mol of naoh 0.0 mL of 1.00M HNO, with 50.5 mL of 1.00M Calculate the heat transferred from the reaction of 50,0 mL of 1.00M HNO, with 50.5 ML OL NaOH solution. Assume the heat capacity of the mixture is 3.89 J 8 deg. (6) Calculate the number of moles of HNO, reacting when 50.0 mL of 1.00M HNO3 and 50.5 mL...
6. Calculate the energy separation in joules and reciprocal centimeters between levels (a) n 2 and n-1 and (b) n = 6 and n 5 of an electron in a box of length 1 nm. What can you conclude about the energy separation as a function of quantum number for particle in a box model. Does this make sense, explain?
18. Given that the mass of manganese-55 is 54.9380 u, calculate the total binding energy a. Write the nuclear reaction describing the formation of a manganese-55 nucleus. b. Calculate the change in mass in the reaction described in part a (mass of a neutron 1.0087 u; mass of a proton 1.0078 u). c. Calculate the binding energy (in joules) for one atom of manganese-55 d. Calculate the binding energy (in joules) for 1.000 g of manganese-55 10 18. Given that...
asap 6. (a) Calculate the difference in energy, AE, between the n=3 and n 2 energy levels in a Bohr hydrogen atom. I (b) Calculate the wavelength (in nm) of the light emitted when an electron drops from the n=3 to the n 2 energy level of a Bohr hydrogen atom. 7) Of the following transitions in the Bohr hydrogen atom, the results in the absorption of the highest-energy photon. A) n 1-n= 6 B) n-3n-6 C) n 1n=4 transition...
(7) Calculate AH neutzn in joules per mole for the reaction of 1.00 mol of HNO, with 1.00 mol of NaOH. (8) On the basis of an accepted AH neutzn of 58.5 kJ mol' for the reaction, determine the percent error in your calculated AH neutzn:
5. (8pts) Using the table below answer the following questions (be sure you show all your work!)Hint: mass-mass conversion 1 g6.02x10- amu, mass-energy conversion lg. -9.00x1013), and energy-energy conversion 1 J=6.24x102MeV. Using the given information calculate the mass decrement and binding energy of each of the following nuclei. a 126C (AE in MeV) b. 23892U (AE in kJ) 6. (12pts) Calculate AE, in joules, for the reaction of one nucleus of polonium-210: 2104Po + 2 ton → 208Pb + He...