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A mixture of methanol (a) and ethyl acetate (b) exhibits an azeotrope at 55°C. Their saturation pressures are 68.8 and 46.5 kPa, respectively. The liquid-phase nonideality can be described by the two-suffix Margules equation, with A 5 2900 J/mol. What is the pressure and composition of the azeotrope? Does this mixture form a maximum-boiling azeotrope or a minimum-boiling azeotrope? Explain.
a 1950-kg car experiences a combined force of air resistance and friction that has the same magnitude whether the car
the electric field intensity between two large charged parallel metal plates is 8400 nc. the plates are 0.06 m apart.
Three moles of a monatomic ideal gas are heated at a constant volume of 2.23 m3. What is the change in the temperature of the gas
When a hammer strikes a nail, it is compressed along its length. What is the impulse imparted to the hammer
Some particle of mass m is constrained to move on the surface of a vertical cylinder defined by 2 2 2 x ? y ? R , where R is the radius of the cylinder. The particle is subject to a force directed towards the origin and proportional to the distanc..
Sound propagating through air at 30oC passesthrough a vertical cold front into air that is 4.0oC. by what percentage does its wavelength change in crossing the boundary
what is the electrostatic force that acts on this charge. What would be the least speed required for the rest of the trip to arrive in time for the interview.
an ion accelerated through 180.00 v has its potential energy decreased by potential energy of 5.76 x 10-17 j. calculate
A box is on the back of a truck, the truck is moving at 72.0 km/h along a level road. what is least distance that the truck can stop in without the box sliding
A rocket with an initial mass of 1000kg adjusts its thrust by varying the rate at which mass is ejected. The ejection speed relative to the rocket is 40 km/s. If the acceleration of the rocket is to have a magnitude of 20 m/s2 at an instant when its ..
What emf is developed between the tips of the wings of a Boeing 767 jet liner in level flight at 725 km/h in a location where the vertical component of the earth's magnetic field is 1.75x10-5 T
a) At what angle (in degrees) should this strip be placed to yield an apparent focal spot size 2.5 mm x 1.5 mm. b) Using this size target, what angle is required to obtain a 2.5 mm x 2.5 mm apparent focal spot
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