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The CO2 exhaled by astronauts must be removed from the spacecraft atmosphere. One way to do this is with solid LiOH:CO2(g) + 2 LiOH(s) Li2CO3(s) + H2O(l)
The CO2 output of an astronaut is about 1.2 kg/day. What is the minimum mass of LiOH required for a six-day space shuttle flight involving five astronauts?
What region of IR spectrum (give a range in wave numbers) is most useful for distinguishing between isomers that contain the same functional groups
In an extraction involving an unknown acid and benzophenone, Dimethyl Ether, HCl, water. If the acid was incompletely extracted from the ether solution into the aqueous layer in the experiment.
If the heat of combustion for a specific compound is -1170.0 kJ/mol and its molar mass is 46.49 g/mol, how many grams of this compound must
Silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. How many grams of silver phosphate are produced?
why does Beer's law hold more accurately for the relationship between absorbance and concentration than that between % transmittance and concentration
A 5.325g sample of methyl benzoate, a compound found in perfumes, was found to contain 3.758g of carbon, 0.316g of hydrogen, and 1.1251g of oxygen.
The system then re-equilibrates. The appropriate chemical equation is PCl3+Cl2PCl5. Calculate the new partial pressures after equilibrium is re-established
What is the concentration of 50 mL of a solution of NaOH if 25 mL of HCl 0.1M are needed to reach the equivalence point during a titration
A colloidal compound has 10^15 spherical particles per gram with a density of2.7 g/cm^3. What is the surface area per gram
Assuming electrons with quantum numbers (n,l,mt,ms), how does an electron with the quantum numbers (2,1,1,+1/2) differ from an electron with quantum numbers (2,1,-1,+1/2)?
How many gallons of E25 could be made by dilution. About how many cars does this fill at 13.0 gallons per car
Predict whether a precipitation reaction will occur when aqueous solutions of the following substances are mixed:
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