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A 25.0 mL sample of 0.297 M triethylamine, (C2H5)3N, is titrated with 0.279 M perchloric acid.
At the titration midpoint, the pH is _________.
Use the Tables link in the References for any equilibrium constants that are required.
assuming that the 3s- and 3p-orbitals will form molecular orbitals similar to those formed when 2s- and 2p-orbitals
what is the concentration in the solution of the first ion when the second one starts to precipitate at 25 C?
Water in a glass tube that contains grease or oil residue displays a flat meniscus, whereas water in a clean glass tube displays a concave meniscus. Explain your answer fully.
Suppose a student is measuring the optical rotation of a 1 M sample of (S)-(-)- Limonene. The path length is 13cm. What optical rotation should the student expect to measure?
How do I calculate Apparent volume of dry sand and Actual volume occupied by sand particles Using the data below? Also need to know how to calculate the density of sand(based on apparent volume) Mass of graduated cylinder + Table Sand = 26.1g Mass..
Derive the relationship that the effective rate constant of the reaction K is the same as (d[P]/dT)/([A][B]) takes the form k= k2 exp(-deltaG/RT) Where deltaG(these deltaG are with double dagger )is the standard free energy difference between the ..
Problem- A. At constant T and P, the direction of spontaneous change is the direction of increasing free energy. B. Free energy is the energy in a system that is available to do work.
5.00 moles of ammonia are introduced into a 5.00L reactor vessel in which it partially dissociates at high temperatures. 2NH3(g)?3H2(g)+N2(g). At equilibrium at a particular temperature,
Describe your experiences as a reader. When did you learn to read when you were young? What do you remember about that process? Would you describe yourself as a "reader"?
If an 20 mL acetic acid is neutralized with 50 mL of 0.8 M NaOH, what is the concentration of the acid
give the complete mechanism for the formation of dibenzalacetone starting from benzaldehyde and acetone. make sure to
What is the vapor pressure at 75 degrees celcius of an aqueous solution prepared by the addition of 52.9 g of urea CO(NH2)2 to 178 g of water?
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