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Question
The diffusion constant for a particular ion crossing an artificial membrane is 3.30x10^-16 m^2/s. The membrane has an area of 8.70x10 m^2 and a thickness of 9.00 nm. On one side of the membrane there is pure water, on the other side there are ions. If 6.00x10^4 ions cross the membrane each second, what is the molarity of the ion solution?
In each of the following reactions, identify the acids and bases as well as classify them as Arrhenius or Lowry-Bronsted or Lewis acid-base reactions. Some reactions may fall under more than one category
170mL of an HCl solution with pH of 2.80 is added to 200mL of an HNO3 solution. The resulting pH is 1.40. What was the pH of the original HNO3 solution
What is the uncertainty in the energy of the excited state. What is the percentage uncertainty if the energy is measure from the ground state
Given the following balanced reaction, if a mixture of 1.50 mol of Al and 3.00 mol of Cl2 are allowed to react, how many moles of AlCl3 are formed, assuming a 75% yield
A buffer is perpared by adding 0.100 moles of sodium acetate to 0.100 moles of acetic acid and diluting to 1.00L. What is the pH of the solution after the addition of 5.00mL of 1.00 molar HCl
robots are used to auto industries to weld to components at specific locations. clearly the end position of the arm
In peptides and proteins (peptides simply being smaller proteins), the amine nitrogens of amino acids are linked to the carboxyl carbons of other amino acids by peptide (aka amide) bonds formed by condensation reactions
The plasma (HCO3-) of an individual living at a high elevation is 18.5 meq/L. If this concentration of bicarbonate fully compensates the decrease
What mass of sodium reacted?
Find out how the rate of the reaction depends upon the concentration of A and Y and find the initial reaction rates for trials 4, 5 and 6.
How many grams of AgCI will be formed when 60 mL of 0.500 M AgNO3 is completely reacted according to the balanced chemical reaction
The vapor pressure of pure ethyl bromide at this temperature is 400.0 torr. Assuming an ideal solution, what is the molecular mass of the compound?
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