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An important space shuttle mission has been interrupted with an emergency that will delay the return of the crew to earth indefinitely. You are an emergency team that has been assigned the task of determining how long the crew can survive before carbon dioxide pollutes (how long can clean air be generated) their air supply and threatens their ability to breathe normally.
The Space Shuttle environmental control system handles excess carbon dioxide (which the astronauts breathe out - it is 4% by mass of exhaled air) by reacting it with lithium hydroxide pellets to form lithium carbonate and water. There are 7 astronauts on board the shuttle, and each exhales 20 liters of air per minute, and there are 25,000 g of lithium hydroxide pellets available. Assume the density of air is 0.0010 g/mL.You must generate a detailed report (1-2 pages) that outlines how much time is left and how much lithium hydroxide is needed to extend their stay another 10 days (show the calculations that justify your conclusion).
Why isn't sodium hydroxide? In the reaction of Aldol reaction to form ethyl trans-cinnamate. Reactant are Benzaldehyde and ethyl acetate.
what is the functional groups and molecular formula of aspartame, the NH2 is below the 3rd C and the CH2 is below the 5th C
calculate the mL of MnO4 added to reach the endpoint. (b) calculate moles of MnO4 added to reach the endpoint. (c) calculate the number of moles of H2O2 in sample.
A clinic took temperature readings of 250 flu patients over a weekend and discovered the temperature distribution to be Gaussian, with a mean of 101.00°F
when 1.0g of salicyclic acid is used with 2mL of acetic anhydride, which compound is the limiting reagent?
Calculate the number of moles of H2O that will be produced by the reaction of .530 moles of solid Al(OH)3 with excess aqueous HClO3
if 2 mole of N2 and 5 mole of H2 in a closed container initially at STP react, calculate the final pressure in the flask at 0C.
What is the normality of sulfuric acid solution which contains 6.64 g of H2SO4 in 837 mL of solution provided that the reaction involved
Find the activity coefficient of H+ in a solution containing 0.010M HCl plus 0.040M KClO4. What is the pH of the solution?
Codeine, C18H21NO3, a commonly prescribed painkiller, is a weak base. A saturated aqueous solution contains 1.00 g codeine in 120 mL of solution and has a pH = 9.8. What is the Kb of codeine?
A gas-filled balloon having a volume of 2.50 L at 1.2 atm and 25°C is allowed to rise to the stratosphere (about 30 km above the surface of Earth)
Calculate the maximum numbers of moles and grams of iodic acid (HIO3) that can form when 635g of iodine trichloride reacts with 118.5g of water.
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