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A mixure of gases collected over water at 14 degrees celciushas a total pressure of 0.981 atm and occupies 55mL.
a. How many grams of water escaped into the vapor state?
b. What volume does the mixture of gases, exclusive of thewater vapor, occupy?
c. What volume does the mixture of gases, exclusive of thewater vapor, occupy at STP conditions?
which of the following statements about colligative properties of solutions is false?1. the higher the concentration of
At 0.967 atm, the height of mercury in a barometer is 0.735 m. If the mercury were replaced with water, what height of water (in meters) would be supported at this pressure.
Provide a structure for the following compound: C9H10O3; IR: 2400-3200, 1700, 1630 cm-1; 1H NMR: ? 1.53 (3H, t, J = 8 Hz); ? 4.32 (2H, q, J = 8 Hz); ? 7.08, ? 8.13 (4H, pair of leaning doublets, J = 10 Hz); ? 10 (1H, broad, disappears with D2O sha..
If you compare two acids of the same concentration with different Ka values. Which acid solution should have the lower pH value
Calculate the concentration of HY3- in a solution prepared by mixing 10.00mL of .010M VOSO4, 9.9mL of .010M EDTA and 10.00mL of buffer with a ph of 4.00
Solve for the temperature if there are 1.231 L of 0.5387 moles of nitrogen at a pressure of 731.2 mm Hg.
A gaseous mixture of O2 and N2 contains 30.8 nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 805 mmHg ?
Calculate the potential of the following cell and indicate whether the reaction is expected to be spontaneous. Cr + 3 Ag+ ---> Cr3+ + 3Ag
How many molecules of HCCH react with 143 molecules of oxygen to produce carbon dioxide and water?
1. why should the funnel be removed from the top of the burette while titration is being berformed?2. while the
if you were to draw all the products of radical bromination of ethane, how many structures would you draw
What is the fraction of association for the following potassium propinate solutions? Ignore activities. The Ka of proponoic acid is 1.34*10^-5.
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