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A gaseous mixture of carbon monoxide, carbon dioxide, methane and nitrogen gas is analyzed with a gas chromatograph (GC). The output takes the form of a series of peaks where each peak corresponds to a component and a peak area (A) is proportional to the moles (n) of the component ( n = kA) in the sample injected in the GC. Area of carbon monoxide is 22, the area of methane is 42, the area of carbon dioxide is 28. The molar ratio of nitrogen to methane is known to be 0.26. Find the mole fraction and mass fraction of each component, and the average molecular weight of the mixture,
Find the time for one complete cycle of this motion if the spring constant is 21 N/m. (Assume that once the pendulum ball hits the spring there is no effect due to the vertical movement of the ball.)
A four-lane freeway (two lanes in each direction) is on mountainous terrain with 11-ft lanes, a 5-ft right-side shoulder, interchange spacing of one every 10 miles, and a 60-mi/h base free-flow speed.
Part of the roof of a sports stadium is to be supported by the cables AB and AC. The forces the cables exert on the pylon A to which they are attached are represented by the vectors FAB and FAC.
An open top tank contains a layer of SAE 30 oil 0.5 m thick, a layer of water 0.7 m thick, and a layer of mercury 0.3 m thick. Calculate the pressure, and the piezometric head at the free surface, at both interfaces, and at the tank bottom.
Does Bernard have an unfair advantage over firms having designed the project on which he wants to bid?
determine the maximum wind load that the cavity wall , bothe wythes are fully grouted but unreinforced ,and type S mortar portland cement is used . prism strength is equal to 2666psi for the concrete block wythe and 5333 psi for the brick wythe.
In an irrigation system sometimes water must be pumped over long distances. Consider a system that consistes of a 1 m diameter, 2 km long commercial steel pipe, which connects a river to an irrigation canal.
a force is specified by the vector F=160i+80j-120k N.calculate the angles made by F with the postive x y and z axes.
Write a C program for a HCS12 microcontroller that writes the value, 0x78, to Memory Location VAR1 and then calls a delay function. The delay function should generate a delay of 0.25 milliseconds.
By assuming a linear speed-density relationship, the mean free flow speed on a highway facility lane equals 65 mph. The jam density is observed to be about 170 vpm. 1. Plot the q-k-u curves
The acceleration of a particle is defined by the relation a= -0.7v where a is expressed in in/s2 and v in in/s. Knowing that t= o the velocity is 30in/s, determine 1.) the distance the particle will travel before coming to rest
Consider a DVD To protect sensitive information within the storage medium, a vwery thin film of reactive polymer is embedded within the polycarbonate at a distance of d= 0.5 mm from the surface.
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