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The partial pressure of oxygen gas in an atmosphere at STP is approximately 0.2 atm. If I capture 11.2 liters of atmospheric gas at STP in a flask, how many moles of oxygen gas are contained within this flask?
argon expands from 25.0 L to 35.0 L at a constant temperature of 350 K. Calculate delta G for the expansion.
Identify the mass spectral (MS) peaks you would expect for 4-Heptanone (M+ and m/z for all fragments). Just FYI, the professor said
finds that about 10% of the aspiring is converted to salicyclic acid and acetic acid, How many moles of aspirin are in the initial solution? what is the molarity of aspirin? MM=180g what is the rate of reaction?
four different solutions containing bases are shown below. What are the relative strengths of the bases shown in I-IV? Explain your reasoning. Note: H2O molecules are not shown for clarity.
A stream of propane is throttled from 20 bar and 518 K to 0.42 bar. This process is irreversible due to frictional losses at the nozzle.
A solution (S1) of yellow # 5 has an absorbance far outside the linear region of Beer's law. In order to determine the concentration of this solution
If several large air bubbles entered the graduated cylinder filled with water when it was inverted into the water trough, what would the effect be on a plot of volume H2(g) vs. mass Mg?
What metal occurs in a vast limestone deposits and combines with oxygen to form an oxide with a formula MO ?
A saturated solution of an unknown solid reacted with AgNO3 to give a pale yellow precipitate and also reacted with Pb(NO3)2 to give a white precipitate.
Calculate the heat of reaction for the same reaction where water is a gaseous product instead of a liquid.
flask and allowed to reach equilibrium at a given temperature, what is the final concentration of cl2 In the flask?
For a 0.13 M solution of formic acid, HCOOH, the pH = 2.40. Calculate Ka for formic acid.
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