What is the mass of the second isotope
The atomic weight of a newly discovered el- ement is 98.225 amu. It has two naturally occuring isotopes. One isotope has a mass of 96.780 amu. The second isotope has a per- cent abundance of 41.7%. What is the mass of the second isotope?
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A solid object of AISI 302 steel at a temperature of 850?C is quenched in mineral oil at a temperature of 25?C. The oil is contained in a well-insulated cylindrical tank that has a diameter of 1 m and a height of 1 m.
A 3 phase, 50 Hz, 4 pole, 11 kV, star connected cylindrical rotor synchronous generator with synchronous reactance of 60 Ohms/phase is operated at rated voltage, with a line current of 50 A, and with an induced EMF of 8 kV per phase (line-neu
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What is the theoretical yield for the equation FeCl3+3NaOH=Fe(OH)3+3NaCl
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A control system is needed to control a small shopping center parking lot lighting system and the exterior lighting for the building. The design specifications require that the parking lot lighting and the exterior lighting turn on at dusk aut
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Calculate the mass of propylene glycol ({rm{C}}_3 {rm{H}}_8 {rm{O}}_2 ) that must be added to 0.340 kg of water to reduce the vapor pressure by 2.86 torr at 40 ^circ ,{rm C} (P_{{rm H}_2{rm O}} at 40 ^circ,{rm C} = 55.3;{rm torr}).
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