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Which of the following statement(s) describes the pressure of gas? a) the force of gas partials on the walls of the container; b) the number of gas particals in a container; c) the volume of the container; d) 3.00 atm; e) 750 torr.
for 100 degrees had 2 layers which showed the seperation between ether and water. What would be the problem with running TLC to characterize the distillate samples?
The tabulated mass of Cl is 35.45 amu. The two dominant isotopes of naturally occurring Cl are 35Cl (34.97 amu) and 37Cl (36.97 amu).
Enter the net ionic equation, including phases, for the reaction of AgNO3(aq) with Ba(OH)2(aq).
How many days would be required for a dose of Cu-64 to decay to 1.0% of its original concentration?
Is smaller sample capacity the only disadvantage to smaller particle size of the stationary phase? Is that correct and/or is there any other disadvantage(s)?
The first three reactions of the b oxidation pathway are similar to three reactions in the Kreb's cycle. Which three and why are they similar
If the initial concentration of A2X is 2.00 M and 15.0% of the A2X vapor is dissociated when equilibrium is reached, what is the value of the equilibrium constant for the reaction?
A student wanted to determine the molar concentration of acetic acid in a commercial vinegar sample. He used a volumetric pipet to deliver 3.00 mL of vinegar to an Erlenmeyer flask, added about 30 mL of water and 3 drops of phenolphthalein indicat..
The half-life for a first order reaction at 550 oC is 85 sec. How long it would take for 23% of the reactant to decompose?
How many grams of dry NH4Cl need to be added to 2.10L of a 0.500 M solution of ammonia, , to prepare a buffer solution that has a of 8.84? Kb for ammonia is 1.8*10^-5.
What is the hybridization scheme for the central atom in the following?
Acetic acid is a weak monoprotic acid. it is the active ingredient in vinegar. if the initial concentration of acetic acid is .200 M and the equilibrium concentration of h3o+ is .0019 M, calculate Ka for acetic acid.
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