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The relative areas for the five gas chromatographic peaks obtained in the separation of five steroids are given below. Also shown are the relative responses of the detector to the five compounds. Calculate the percentage of each component in the mixture.
What is the kinetic energy (in Btu) associated with a 300 gm hockey puck flying at 120 mph? Assuming an ideal gas, calculate the specific volume in the appropriate units for (6 pts) : a. N 2 at 500 kPa and 900 K b. Neon at 8 kPa and 250 K c. Air at 1..
a spring having seven coils and a coil-to-coil diameter of 0.5 in. is to be made of cold-drawn steel wire. when a
A tensile test is performed on a brass specimen 10 mm in diameter using a gauge length of 50 mm. What is the modulus of elasticity E of the brass
steam at 320oc flows in a stainless steel pipe k 15wm. oc whose inner and out diameters are 5 cm and 5.5 cm
Water is the working fluid in an ideal Rankine cycle. Steam enters the turbine at 1400 lbf/in.2 and 10008F. The condenser pressure is 2 lbf/in.2 The net power output of the cycle is 1 3 109 Btu/h. Cooling water experiences a temperature increa..
determine the maximum value of the coefficient of static friction for which the brake is not self-locking when the drum rotates counterclockwise.
during the construction of a house 6 joists of 24 feet each must be trimmed to the correct length of 23 feet. the
a rigid tank whose volume is 0.5 m3 initially containing ammonia at 20oc 1.5 bar is connected by a valve to a large
A spherical balloon inflated sos that the volume is increasing at the rate of cubic meter/min. At what rate is the diameter increasing when the diameter is 12 m?
Water vapor enters a turbine operating at steady state at 1000°F, 140 lbf/in2, with a volumetric flow rate of 12.6 ft3 /s, and expands isentropic ally to 2 lbf/in2. Determine the power developed by the turbine, in hp. Ignore kinetic and potential ene..
u.s. energy use was approximately 100 quads quadrillion btu in 2008. about 85 of this energy was supplied by burning
A small aperture is located at the bottom of the enclosure to permit sighting of the sample or the enclosure wall. The spectral reflectivity PA of an opaque, diffuse sample material is as shown. The heat transfer coefficient for convection between..
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