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Assume two chambers are separated by a water and Na+ ion permeable membrane. The permeability ratio for H2O and Na+ is assumed to be 2:1. Chamber A contains water and 5mM NaCl. Chamber B contains water, 1 mM of glucose and 1 mM NaCl. Calculate the pressure difference between the two chambers and indicate which chamber has greater pressure.
why is a solution containing dissolved brass made basic with concentrated NH3 and again with acidified CH3COOH?
Baking soda is the general name for sodium bicarbonate (NaHCO3). A 0.2087g aliquot of a commercial baking soda product was treated w/25mL of 0.1028M HCL and after that back titrated to give an end point at 2.53ml during the addition of 0.0565M NaO..
You add 10.0 mls of 0.100 M H2SO4(aq) to 10.0 mls of 0.100 M NaOH(aq). How many moles of water are formed. Is there a limiting reagent. Select one: a. 0.00200 moles b. 0.00100 moles c. 0.200 moles d. 0.100 moles
the enzyme carbonic anhydrase catalyzes the reactionco2gh2olhco3-aqhaqin water without the enzyme the reaction proceeds
It is official, the last four synthetic elements of the periodic table have names. What are they and for whom are each named? Can you write a well developed paragraph for each element.
Question- Write a balanced equation for the double-replacement precipitation reaction described, using the smallest possible integer coefficients. A precipitate forms when aqueous solutions of copper(II) sulfate and sodium hydroxide are combined. ..
Describe how you would prepare 2.00 L of 0.250 M NaOH from 1.00 M NaOH stock solution.
It took 49sec for 1.0 L of helium to effuse through a pin hole. Explain How long will it take for 1.0 L of methane CH4, to effuse under identical conditions
The reaction A->B follows first-order kinetics with a half-life of 21.7 hours. If the concentration of A is 0.023 M after 48 hours, what is the initial concentration of A?
This process is an example of sublimation. d) This process is an example of freezing. e) This process is an example of condensation.
While reasonably dilute HCl and AgNO3 solutions are mixed a white AgCl precipitate forms with some heat evolving. When a Na2S2O3 solution is added to this reaction mixture the white precipitate disappears upon stirring.
Discuss the chemical interactions of the material(s) involved in this incident or hazardous properties relevant to the incident; Discuss the mitigation required or implemented.
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