Problem based on barometric pressure
If 164 of wet H2 is collected over water at 24C and a barometric pressure of 739 , how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 .)
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Calculate the percent yield of the reaction of 205 grams aluminum hydroxide with 751 grams hydrogen sulfate (sulfuric acid), given that 252 grams aluminum sulfate are produced. Show your calculations.
An air conditioner in the airport of Timbuktu runs a cooling system using R-410a with a high pressure of 1500 kPa and a low pressure of 200 kPa. It should cool the desert air at 45 degrees C down to 15 degrees C. Find the cycle COP. Will the system w
A curve of radius 159 m is banked at an angle of 11°. An 810-kg car negotiates the curve at 93 km/h without skidding. Neglect the effects of air drag and rolling friction. Find the normal force exerted by the pavement on the tires.
Assuming the heat absorbed by the styrofoam is negligible, calculate the expected final temperature. The specific heat of water is 4.184 J g-1 K-1.
The wheel in Fig. 10-27 has eight equally spaced spokes and a radius of 30 cm. It is mounted on a fixed axle and is spinning at 2.5 rev/s.
calculate the osmotic pressure in mm Hg of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions
The Solubility of Mg(OH)2 (s) in wataer at a certain temperature is 1.0 x 10^-4 mol/L. Calculate the value of Ksp for Mg(OH)2 (s) at this temperature.
A dishonest gambler has a loaded die which turns up the number 1 with probability 2/3 and the numbers 2 to 6 with probability 1/15 each. Unfortunately, he left his loaded die in a box with two honest dice and cannot tell them apart. He picks on
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