Calculate rate of heat transfer to steam passing by boiler
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Gas entering the turbine has been heated to 1000 k. a. What is the temperature at each point in the cycle? b. What is the thermal efficiency for this Brayton cycle?
A copper wire has diameter 0.160 mm and length 18.0 cm. It's in a horizontal plane and carries a current of 2.10 A. The density of copper is 8920 kg/m^3. Find the magnitude of the magnetic field needed to suspend the wire against gravity.
Calculate the molar solubility (S or x) of copper(2) sulfide in 1.2M NH3(aq). Provide the formula of the complex and a balanced equation for its formation.
A straight conducting wire carries a 7.7 A current in the +y-direction. Find the magnitude of the magnetic field that results in a force per unit length on the wire of 0.16 N/m in the -z-direction.
Determine (a) the net power developed, in kW. (b) the rate of heat transfer to the steam passing through the boiler, in kW. (c) the thermal efficiency.
Calculate the mole fraction of water in this solution, assumingthat the KI is completely dissociated. Predict the vapor pressure of water over this solution at25°C, assuming complete dissociation of the KI.
An observer in air, viewing the medallion from directly above, sees the medallion at an apparent depth of 1.5 cm beneath the top surface of the block. How far below the top surface would the medallion appear if the observer (not wearing goggles) a
Ignoring the weights of the arms, determine the couple M required to cause the drum to rotate. Also determine the reaction forces at A, D, and C.
Lysozyme is an enzyme that breaks down bacterial cell walls. It isfound in tears and egg whites and elsewhere. A solution containing 0.150 g of lysozyme in 210 mL of water solution has an osmotic pressure of 0.953 torr at 25°C.
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