Compute temperature at which water starts boiling if heated
A cooking pan whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid. If the local atmospheric pressure is 101 kPa, determine the temperature at which the water starts boiling when it is heated.
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Assume the temperature of the surroundings is 20°C, determine the work done and the net entropy change for the process.
A car travels at a constant speed around a circular track whose radius is 3.1 km. The car goes once around the track in 370 s. What is the magnitude of the centripetal acceleration of the car?
A 1.8-m3 rigid tank contains steam at 220°C. One third of the volume is in the liquid phase and the rest is in the vapor form.
A gas stream contains 18.0 mole % hexane and the remainder nitrogen. The stream flows to a condenser, where its temperature is reduced and some of the hexane is liquefied.
If the local atmospheric pressure is 101 kPa, determine the temperature at which the water starts boiling when it is heated.
The mole fraction of magnessium chloride, MgCl2 in aqueous solution is 7.55x10^-2. What is the percent by mass of magnessium chloride in the solution?
Nitrogen has a Henry's law constant of 8.42x10^-7 M/mmHg at 25degreesC when dissolving in water. If the total pressure of gas (N2 gas plus water vapor) over water is 1.0atm, what is the concentration of N2 in the water in grams per mL?
Determine the pressure exerted on a diver at 30 m below the free surface of the sea. Assume a barometric pressure of 101 kPa and a specific gravity of 1.03 for seawater.
A uniform electric field of magnitude 450 N/C pointing in the positive x-direction acts on an electron, which is initially at rest. The electron has moved 3.10 cm. (a) What is the work done by the field on the electron?
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