What is the masss concentration of water vapor
What is the masss concentration of water vapor in the atmosphere at 25 degrees celcius when the realtive humidity is 60% and the saturation vapor pressure is 2800Pa?
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If an electron is traveling at a constant speed and enters the electric field between two charged plates of different voltage, what is the shape of the trajectory it makes while in between the two plates?
What is the final velocity of the dipole? Note: there will be a final x-component of velocity and a final y-component of velocity.
Combustion of 6.51 mg of a compound gave 20.47 mg of CO2 and 8.36 mg of H2O. The compound has a molecular weight of 84g/mol. Calculate the percentage composition, empirical formula and molecular formula of the compound?
A ball launched from ground level lands 2.75 s later on a level field 32 m away from the launch point. Find the magnitude of the initial velocity vector and the angle it is above the horizontal. (Ignore any effects due to air resistance.)
Two strings are vibrating at the same frequency of 150 Hz. After the tension in one of the strings is decreased, an observer hears four beats each second when the strings vibrate together. Find the new frequency in the adjusted string.
The average daily high temperature in February in Fort Collins is 47 degrees (weatherchannel.com). Assume that the daily high temperatures in Fort Collins in February follow a normal distribution. Use the given average as a population mean, with a
Solid chromium (III) hydroxide (Cr(OH)3) is added to pure water so that at equilibrium some solid remains undissolved.
A small map shows New York to be 486 miles in a direction 8° north of east from Columbus. The same map shows that Buffalo is 302 miles in a direction 56° west of north from New York. Assume a flat Earth, and use the given information to fi
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