What volume will the dry gas have at stp
If 18mL of oxygen are collected over water at 27 degrees Celcius and 740 mm Hg of pressure, what volume will the dry gas have at STP? (The vapor pressure of water at 27 degrees celcius is 26.7 mm Hg)
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A cast-iron tube is used to support a compressive load. knowing that E = 69 GPa and that the maximum allowable change in length is 0.025%.
A 2.2 g sample of an unknown acid with an empirical formula of C3H4O3 is dissolved in 1 L of water. it requires a 25 mL of .5 M NaOH to completely neutralize the acid. assuming the unknown acid has one acidic proton per molecule, what is the molec
A Styrofoam cup containing 200.0 g of water at 55.3C. Calculate the molar heat of vaporization of liquid nitrogen if the final temperature of the water is 41.0C.
Write a VBA function called "Roll one of Each" that simulates the number of times you must roll six die at a time before seeing all six different patterns (that is one each of 1,2,3,4,5,6 dots). How do you start?
A bucket of mass 2.0kg is whirled in a vertical circle of radius 1.1m. At the lowest point of its motion the tension in the rope supporting the bucket is 25N.
Given the reaction: Ca + 2H2O Ca(OH)2 + H2. What is the total number of moles of Ca needed to react completely with 4.0 moles of H2O?
Question 1:-A p-well is to be formed for a CMOS process. The n-type substrate has a doping level of 2×?10?^15 ?cm?^(-3).the hole concentration at the surface of the well is to be ?10?^16 ?cm?^(-3), and well -substrate metallurgical ju
The system H2(g) + I2(g) ?? 2 HI(g) is at equilibrium at a fixed temperature with a partial pressure of H2 of atm, a partial pressure of I2 of atm, and a partial pres- sure of HI of atm. An additional atm pressure of HI is admitted to the con- tai
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