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- Mass of electron m₀ : 9.1 × 10⁻³¹kg Avogadro number N₂ : 6.02 × 10²³ Charge of electron ℯ : 1.6 × 10⁻¹⁹ C 1 ℯV = 1.6 × 10⁻¹⁹ J Boltzman costant k₃ : 1.38 × 10⁻²³ J/K = 8.6 × 10⁻⁵ ℯV/K R = 8.314 J/K·mol Q. The equilibrium interatomic spacing and melting point of sodium halide are as follows. Explain the reasons for the observed trend. NaF NaCI NaBr NaI interval(nm) 0.23 0.28 0.29 0.32 meltingpoint(℃) 988 801 740 660Current Attempt in Progress How much work is required to set up the four-charge configuration of the figure if q = 1.32 pC, a = 56.5 cm, and the particles are initially infinitely far apart and at rest? Number Units J OPart A In MRI, the transverse relaxation time measures how long it takes precessing protons to get out of phase with each other so that their individual magnetic dipole moments no longer add up to a macroscopic magnetization. In a 2.5 T MRI machine, how many precessions does a proton make in deoxygenated whole blood during the transverse relaxation time? να ΑΣΦ ? N = precessions Submit Request Answer Provide Feedback Next > 14
- A sphere of radius R and mass M has a uniform volume charge density p. The sphere rotates as a rigid object with angular speed about an axis through its center. A) What is the angular momentum of the sphere about this axis? B) What is the magnetic moment of the sphere?A Uranium 235 atom has 92 protons in the nucleus and has a mass of 3.92 E-25 kg. A) How many Uranium atoms would you need to have 1.00 Coulombs of protons? B) What mass of Uranium would that be?What acceleration voltage is required to increase the kinetic energy of electrons by 147 eV.