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Explain what volume of wet oxygen would you have to collect if you require the equivalent of 275mL of dry oxygen at 1.00atm? The atmospheric pressure in the lab is 721 torr. The oxygen is to be collected over water at 15.0 °C.
write a balanced equation for the reaction of phosphorus trichloride pcl3 with water h2o forming phosphorous acid h3po3
How many grams of dry NH4Cl need to be added to 2.30L of a 0.800 M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.83? Kb for ammonia is 1.8 * times 10^-5
When heated, ammonium carbonate decomposes as follows. NH4CO2NH2(s) -> 2NH3(g)+CO2(g) At a certain temp, the equilibrium pressure of the system is 0.318 atm. Calculate Kp for the reaction.
If the methane contained in 5.00L of a saturated solution at 25 ^circ rm C was extracted and placed under STP conditions, what volume would it occupy.
Back titration with .02127 M Zn2+ at pH 5 reqired 23.54ml to reach the xylenol orage end pt. a 2.00ml sample of unknown was passed thru an ion-exchange column designed to absorb co2+. the Ni2+ that passes thru ion-exchange column was treated with ..
How many total moles of ions are released when each of the following samples dissolves completely in water
You and a classmate were each given a yellow unknown with a melting point of 110 degrees Celsius. You both ran a TLC on it using ethyl acetate solvent as the mobile phase.
On a lab exam, you have to find the concentrations of the monoprotic (one proton per molecule) acids HA and HB. You are given 42.5 mL of HA solution in one flask. A second flask contains 45.4 mL of HA, and you add enough HB solution to it to reach..
A different sample of carbon dioxide also contains 27% carbon and 73% oxygen. The percentages are the same for all samples analyzed. Explain these observations with respect to atomic theory.
What is the highest concentration of creatine that thermodynamically favors for phosphate group to be transferred from phosphocreatine to ADP? Assume T = 310 K. I know the answer is 45 I believe but how do you get it
Which metal would provide the worst protection for an iron pipe buried in the ground if attached to an iron pipe, Ag, Cu, Zn, Mg
173.3 g of NaCl completely dissolves (producting NA+ and Cl- ions) in 1.00 kg of water at 25.0 degrees celcius. the vapor pressure of pure water at this temperature is 23.8 torr. Determine the vapor pressure of the solution. A)19.3 torr B)23.8 tor..
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