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Water contained in a piston-cylinder assembly undergoes two process in series from an initial state where the pressure is 10 bar and the temperature is 40°C. at first, the water is cooled as it is compressed at a constant volume to 150°C
a) Sketch both processes on T-V and P-V diagramb) For the overall process determine the work in kJ/kgc) For the overall process detrermine the heat transfer in kJ/kg
A 585 g piece of copper tubing is heated to 97.2°C and placed in an insulated vessel containing 51.0 g of water at 26.0°C.
Aluminum sulfide reacts with water to form aluminum hydroxide and hydrogen sulfide.
Given the following partial pressure for the gases: Pnz=0.78atm Po2=0.19atm Ptrace=0.05atm Determine the total pressure for the mixture.
Assume that the metal rack is cooled from 240°F to 85°F, the temperature of the outlet water. The amount of heat removed from the retort walls in cooling from 240 to 100°F is 10 000 btu. Radiation loss from the retort during cooling is estimated a..
At 28 ^circ rm C the osmotic pressure produced by the solution was 0.138 rm atm. What is the molar mass of the protein?
Calculate Enthalpy of HNCO given that the enthalpy of the following reaction is -221.4 KJ/mol.
Bismuth oxide reacts with carbon to form bismuth metal: Bi2O3(s) + 3C(s) --> 2Bi(s) + 3CO(g)
Determine the mass of the lead in grams if the water level in a graduated cylinder initially at 224 mL rises to 274 mL after a piece of Pb is submerged?
How much heat is required to raise the temperature of 5.5 x 10^2 g of aluminum by 10°C?
Calculate the heat of formation, Hof, of pentane given that the Hof of H2O(l) is -285.3 kJ mol-1 and Hof of CO2(g) is -393.5 kJ mol-1.
Does a chemical change occur when you cook an egg? Why or why not? When you fry an egg, it becomes a solid, the heat makes it smoke, and the color changes from clear and yellow to all yellow.
which is limiting reagent when 42.0g of propane , C3H8, is burned with 115g of oxygen ? how many liters gaseous water are produced at STP
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