Molar heat capacity of liquid ethanol
The enthalpy of vaporization of ethanol i 43.5 kj/mole at its normal boiling point of 352 k. using avalue of the molar heat capacity of liquid ethanol of 111.46 j/k/mol, calculate the enthalpy of vaporization of ethanol at 37 c
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A thermopane window consists of two pieces of glass (k = 0.78 W/m/K) 7 mm thick that enclose an air space (k = 0.026 W/m/K 7 mm thick.
A sample of zinc metal reacts with an excess of hydrochloric acid (hydrogen chloride) via a single displacement reaction. All of the zinc reacts, and the hydrogen gas is collected over water at 17C; the barometric pressure is 750mmHg.
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A 5.0 dm3 sample of oxygen at a pressur of 200 kpa and 2.0 dm3 sample of nitrogen at a pressure of 500 kpa are introduced into a 2.5 dm3 vessel. What is the total pressure in the vessel?
A cylinder with a moveable piston contains 0.553 mol of gas and has a volume of 253 mL. What will its volume be if an additional 0.365 mol of gas is added to the cylinder?
Write a program that retrieve 2 bytes(NUM 1 and NUM2) from memory ,determine which is closest to the numeric value 50 and indicate the result by setting a variable named CLOSEST to 1?
The tank is being filled with water by two one-dimensional inlets. The water height is h. (a) Find an expression for the change in water height dh/dt. (b) Compute dh/dt if D1 = 1 in, D2 = 3 in, V1 = 3 ft/s, V2 = 2 ft/s, and At = 2 ft,
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n=7 state to the n=1 state.
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