Calculate the quantity of heat that is absorbed/released
The heat of vaporization of water at 100 °C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100 °C.
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A novice skier, starting from rest, slides down a frictionless 36.0 incline whose vertical height is 220m. How fast is she going when she reaches the bottom?
The Henry's Law constant for carbon dioxide gas in water at 25 oC is 0.031 mol/L-atm. Calculate the solubility of carbon dioxide in water at 25 oC in moles/L if the partial pressure of carbon dioxide in the headspace above a water sample is 1.56 a
Describe at least three possible sources of error in a titration experiment like this and, for each, explain whether the error would result in a calculated molarity that is too high or too low.
Two ants race across a table 65 cm long. One travels at 4.45 cm/s and the other at 3 cm/s. When the first one crosses the finish line, how far behind is the second one?
The mass percent composition of the compound is 53.31% C, 11.19% H, and the rest is O. What is the molecular formula of the compound?
Two special steps in the experimental procedure are incorporated to reduce the loss of the calcium oxulate precipitate. Identify the steps in the procedure and the reason for each step?
A roller coaster car of mass 310 kg (including passengers) travels around a horizontal curve of radius 32 m. Its speed is 16 m/s. What is the magnitude and direction of the total force exerted on the car by the track?
Choose the two alkyl bromides and the hydrogenation method that must be used to synthesize these alkenes from acetylene.
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