Determine the ph at one half the equivalence point
If Ka is 1.85 x 10^-5 for acetic acid, calculate the pH at one half the equivalence point and at the equivalence point for a titration of 50 mL of 0.100 M acetic acid with 0.100 M NaOH.
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A student makes a simple generator by using a single square loop 10 cm on each side. The loop is then rotated at a frequency of 60 Hz in a magnetic field of 0.015 T. (a) What is the maximum emf output? (b) If she wanted to make the maximum emf out
Find the total number of ways to have n lattices containing one ball each, and the other N-n lattices containing no balls. Note that in this part, the n lattices may be any n lattices out of the N lattices in total.
Estimate the maximum power that can be transmitted for a seven (7) year design life of 40 hours/week for 48 weeks/year with 99.9% reliability. Consider tooth bending failure only, using a factor of safety of 1.4.
What is the probability that fewer than two of the original bulbs will fail within 50030 hours of operation? What is the probability that no bulbs will have to be replaced within 50030 hours of operation?
Glycerin at 20 c flows with a velocity of 4m/s through a 30 diameter tube , the air velocity is to be 2 m/s. What tube diameter is required for the model if dynamic similarity is to be maintained between model and prototype?
A variable capacitor with negligible resistance is connected to an ac voltage source. By what factor does the current in the circuit increase if the capacitance is increased by a factor of 7.0 and the driving frequency is increased by a factor of
What is the expected value of the winnings for a person playing this game once? What other totals of the three dice would have the same expected value as rolling 21? Explain your answer.
The reflected wave, when combined with the outgoing wave, produces beats at a rate of 1432 s-1. How fast is the speeder going?
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