Closest approach to the zirconium nucleus
A proton (m = 1.67 × 10-27 kg, q = e) is sent from far away and impinge directly on a Zirconium nucleus (Q = 40e). The proton's initial speed is 5.0 × 105 m/s. What is the proton's distance of closest approach to the Zirconium nucleus?
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He was supposed to travel due north for 4.8 km, but when the snow clears, he discovers that he actually traveled 7.8 km at 45° north of due east. (a) How far must he now travel to reach base camp?
A0.032-M aqueous sample of species "X" was analyzed by atomic absorption spectroscopy at 525 nm and in a 1.00-cm celland yielded a %T value of 32.57% .
Derive the model equation, mass and temperature for a CSTR reactor with a first order reqaction A= product. Assume: constant temperature and density.
A man used enough energy to go from Aardvark to Beeville. On the first day he traveled 1/3 of the distance. On day two he traveled 1/2 of the remaining distance.
Derive the model equation, mass and temperature for a PFR reactor with a first order reaction A= product.
A 13 mL sample of a solution of AlBr3 was diluted with water to 25mL. A 15 mL sample of the dilute solution was found to contain0.045 moles of Br-. What was the concentration of AlBr3 in the original undiluted solution?
A uniform electric field of 300 N/C makes an angle of 25o with the dipole moment of an electric dipole. If the potential energy of the dipole is -2.5 × 10-7 J, what is the magnitude of the dipole moment?
In a mild steel block, a flat surface of length 100 mm and width 60 mm has to be finished in a shaping machine in a single pass.
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