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You are carrying out tlc with a mixture of two compounds A and B. A is less polar than B. On a REVERSE PHASE plate, which compound would be expected to have a higher Rf?
Change in internal energy E, At 25'C, enthalpy change H for the combustion of liquid octane, C8H8(l), to form CO2(g) and H2O(l) is -5471kJmol-1
what are the equilibrium concentrations of [H2C2O4],[HC2O4-1],[C2O4-2] and [H+] in a 0.200 M solution of oxalic acid (H2C2O4)
A solution is prepared by mixing 75.0 mL of 0.030 M BaCl2 and 250. mL of 0.040 M K2SO4. What are the concentrations of barium and sulfate ions in this solution? Assume only SO42- ions (no HSO4-) are present.
How many moles is a cube of gold with sides of 2.364 cm? Density of gold is 19.30 g/mL What is the atomic mass of gold?what is the name of the commom laboratory equipment.
Find out the required pressure to compress 180 liters of N at 1.0 atm into a tank whose volume is 34 liters.
Calculate the molarity of each of the following solutions 20.0 g NaCl in 1.0 L H2O
For your cereal sample, you added the same volume of sodium acetate that you added to your standards and solution unknown.
Organelles compartmentalize a cell like a department store displays similar items together. What advantage does such compartmentalization offer a large cell and what are two examples of oraganelles and the activities they compartmentalize?
How many atoms of carbon are present in 73 g of a compound that is 83.3% carbon, by weight?
effectively prevents hemoglobin from transporting oxygen to cells. How is the carbon monoxide acting in this process?
Suppose .30 mol of Ammonia and .40 mol of oxygen are added to a 5L container. If Y mol of water is present at equilibrium, calculate the equilibrium concentration of oxygen?
Physiological saline solutions used for intravenous injections have a concentration of 0.90% NaCl by weight
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