What is the force needed to separate the top surface
A layer of water seperates two smooth surfaces a distance of 2r. Derive an experssion for the force needed to pul the two surfaces apart. Consider the bottom surface fixed. What is the force needed to seperate the top surface?
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A square metal plate is heated to 80 C at the corner corresponding to x=y=1. The temperature distribution in the plate is described by 80e-(x-1)^2e-3(y-1)^2 obtain the surface and contour plots for the temperature.
A very small amount of benzoic acid may not have precipitated but rather may have remained in the sodium chloride solution and passed through the filter paper. How would this affect the final masses of benzoic acid and sodium chloride?
Calculate the equilibrium concentration of {rm H_2} in a reaction mixture obtained by heating 6.75 {rm mol} of steam and an excess of solid carbon in a 7.44 {rm L} container.
A modulation constellation is given by S = {c(k + jl) | k = 3, 1, 1, 3 and l = 3, 1, 1, 3 and j = square root of -1, where c is a constant. Determine the value of c to ensure a unit energy constellation. Sketch this constellation. Find d^2 min a
A 952 cm3 container of gas is exerting a pressure of 108 kPa while at a temperature of 48 °C. Calculate the pressure of this same amount of gas in a 1236 cm3 container at a temperature of 64 °C.
Portable heater transfers 255 W to 5.5 L water, where 1 W = 1J/s. How many minutes will it take for the heater to heat 5.5 L water from 25 degrees C to 42 degrees C? Assume water has density of 1.0 g/mL
What is the formula used to determine the mass of KClO3 to form a saturated solution in 250g of water at 30 degrees celcius
Tartaric acid, H2C4H4O6, has two acidic hydrogens. The acid is often present in wines and precipitates from solution as the wine ages. A solution containing an unknown concentration of the acid is titrated with NaOH. It requires 25.65 mL of 0.1500
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