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Steam at 3MPa and 300oC exits a boiler and goes into a high pressure turbine in which it is expanded to 300kPa. The steam is then sent back to the boiler (constant pressure heat exchanger) and reheated to 300oC. In a secondary turbine, the steam is expanded to 10kPa. Assuming that both the turbines are ideal, what is the thermal efficiency of the cycle? Include the contribution of the pump.
Write a balanced the rmochemical equation for the reaction with an energy term in kJ as part of the equation.
How many grams of Cu metal (63.55 g/mol) will be plated out of a Cu(NO3)2 solution by passing a current of 3.00 amperes for 11 minutes?
if an athlete expends 1850KJ/h (kilojoules per hour), how long does he have to exercise to work off 1.0lb of body fat?
A chemist measures the amount of bromine liquid produced during an experiment. She finds that 766.g of bromine liquid is produced. Calculate the number of moles of bromine liquid produced.
A 35.00 mL sample of HNO3 solution is neutralized by exactly 42.63 mL of 0.4153 M KOH. What is the molarity of the HNO3 solution?
if you take a 12.5 mL portion of the stock solution and dilute it to a total volume of 0.600L what will be the concentration of the final solution?
When hydrochloric acid comes in contact with potassium permanganate, what dangerous chemical is released?
How much heat is required to warm 223 g of ice from -44.3°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
Calculate the number of moles of solute present in each of the following solutions: a)245 mL of 1.50 M HNO3 b) 50.0 mg of an aqueous solution tha tis 1.25 m NaCl c) 75.0 g of an aqueous solution that is 1.50% sucrose by mass
What happens to the time at which the mid point of the breakthrough curve exists the column if the particle size is halved but the adsorption isotherm and column size stay the same?
What exactly is the reduction of alkynes? I just understand that it is a method for synthesizing alkenes. Why are the leaving groups for E2 reactions not as good as E1 reactions?
A ten L Dewar containing liquid nitrogen tips over in your car while you are transporting it. If it completely vaporizes what volume of Nitrogen gas will be produced at 1 atm and 20 degrees C
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