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A sample of oxygen gas is collected over water at 23 Celsius at a barometric pressure of 751mmHg (the vapor pressure of water at 23 Celsius = 21mmHg). The partial pressure of oxygen gas in the sample collected is:
A. 44mmHgB. 21mmHgC. 751mmHgD. 1.02atmE. 0.96atm
how many liters of gas would be formed at 510 degrees c and 1.00 atm pressure by explosion of 405g of nh4no3 ?given the
what mass of oxalic acid dihydrate, H2C2O4 + 2H2O is required to prepare 280.0 ml of a 1.51 M solution of oxalic acid
28.0mL of 0.250M HNO3 + 53.0mL of 0.320M KOH, What is the concentration of H+ or OH- ions in excess after the reaction goes to completion
when 0.500 l of a 1.00 m solution of Pb( NO3) 2 is mixed with 0.500 l of a 1.00 m solution of Kl how many grams of lead(II) iodide are formed
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
What is the de Broglie wavelength of a 145 g baseball traveling at 30.0 m/s (67.1mph)? Is the wavelength much larger or smaller than the diameter of an atom .
Based on the fact that the alloy has an HCP crystal structure, what general processing technique would you consider for the processing of the turbine blade? Explain your choice.
The pressure of 9.0 L of an ideal gas in a flexible container is decreased to one-sixth of its original pressure, and its absolute temperature is decreased to one-half of the original. What is the final volume of the gas
A student who suspected he had a carbonyl compound for an unknown dissolved his solid unknown compound in acetone and the solution was analyzed by IR
an unknown gas sample was dissolved in water at 25degc producing a solution with a concentration of 4.7 x 10-4 m at 522
The component of structure responsible for holding the 4 chains of hemoglobin together is a. primary
The statements in the following multiple choices deal with the concept of equilibrium. Choose the statement which is true. a) At equilibrium the speed of a reaction equals its rate constant.
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