Calculate the molarity of the acetic acid solution
A 15.5 mL sample of 0.215 M KOH soultion required 21.2 mL of aqueous acdic soultion in a titration experiment. Calculate the molarity of the acetic acid solution.
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The attractive electrostatic force between the point charges +8.37 10-6 C and Q has a magnitude of 0.966 N when the separation between the charges is 0.60 m. Find the sign and magnitude of the charge Q.
For each of the following three questions 25.0 mL of 0.100 Mpyridine (Kb = 1.70 x 10-9) istitrated with 0.100 M HCl. For each question calculate the pH ofthe final solution after the indicated amount of HCl has been added.
A +6.1 µC charge is placed at the origin and a -3.8 µC charge is placed at x = 25 cm. At what coordinates can a third charge be placed so that it experiences no net force?
What is the time required to empty 8m diameter 3m high swimming pool thourgh a 3cm diameter 25 meter long horizontal pipe at the bottom of the pool how long will it take?
Two point charges have a total charge of 555 µC. When placed 1.30 m apart, the force each exerts on the other is 22.7 N and is repulsive. What is the charge on each? (Round your answers to the nearest µC.)
The system is cooled at constant pressure until it reaches a quality of 25%. Determine the work in Btu for this process. Is the work done by the system or done on the system?
A student is examining a bacterium under the microscope. The E.coli bacterial cell has a mass of = 1.60 fg (where a femtogram, fg,is 10^-15 g) and is swimming at a velocity of v= 4.00 um/s, with anuncertainty in the velocity of 3.00 % .
You are watching an object that is moving in SHM. How much further would it travel before momentarily stopping and then moving back to the left?
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