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A gas absorption unit is being utilized to remove carbon dioxide from air by absorption into water. The mole fraction of CO2 in air at the inlet is 0.2 and the flow rate of the gas stream is 100 l/min. It is preferred to remove 95 % of the CO2 in the gas stream. If pure water enters the column at a flow rate of 10 g/min, explain what is the mole fraction of CO2 in the liquid stream exiting the bed? You take 5 cc of this solution. Explain how many cc's of 1 M NaOH solution would be required to neutralize the solution?
A student mixes 50 ml of 1.00M H2SO4 react with 100. ml (1 x 10^2 ml) of 1.00M NaOH in a calorimeter. The temperature of both solutions initially at 22.85 deg Celsius changes to 28.86 deg Celsius.
A piece of silver metal weighing 194.3 g is placed in a graduated cylinder containing 242.0 mL of water. The volume of water is displaced and now reads 260.5 mL. Calculate the density of sliver in g/cm3.
When given a problem with an aqueous solution containing Na3PO4 and you need to find the boiling point of the solution only knowing the solution is 18.7% by mass Na3PO4 and the Kb for water is .512 It also says to consider if the solute is an elec..
explain how dimer tetramer or other oligomeric versions of quaternary protein structure can be energetically favorable.
The rate constant for the decomposition of CH3CHO is 0.0105 dm^3/mol* at 700 K. If the activation energy for this reaction is 188kJ, find the rate constant at 800 K.
How many grams of 02 are consumed by the combustion of 2660g of octane(C8H18)? Balanced equation is 2C8H18 +25O2-->
your chemiluminescence reaction will actually occur very slowly in air. what component of air will bring about this
What nuclide is produced in the decay process? Write the balanced radiochemical equations for both (proton absorbtion and alpha decay) processes.
How many joules of heat are needed to raise the temperature of 5.00 g of mercury from 25.1°C to 65.3°C?
In the first step of the trypsin mechanism, the side-chain oxygen of Ser 195 attacks the carbonyl carbon of the substrate. Use PyMOL and your model of the enzyme substrate complex to determine the distance between these two atoms.
What fraction of thiocyanate ion is accually converted into the complex ion?
Calculate the molecular mass of the nonionic solutes.
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