What is the concentration of the di-anion
0.10 moles of a diprotic acid, H2A, is dissolved in 250 mL ofwater. The Ka1 of this acid is 1.0 x 10E-5 and Ka2 is 1.0 x 10E-10. What is the concentration of the di-anion, [A^2-], in this solution(in M)?
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If the motor supplies a cable force of = (8 + 20)N , where is in seconds, determine the power output developed by the motor when = 7s.
While traveling through space, Luke Skywalker's starfighter hits a stationary piece of space debris that has a mass of 2kg. The force the starfighter exerts on the debris is 399N that lasts for .7 seconds. What was the final velocity of the space
A random sample of 16 light bulbs with a mean operating life of 300 hours and a standard deviation of 45 hours is picked up from a very large shipment of light bulbs known to have a normally distributed operating life. It is claimed that the mean
Determine the current in the loop in milli-amps (the resistivity for copper is 1.72 x 10-8 Ohm/meter). Please be as detailed as possible.
The fraction of liquid and vapor is such that when heated the steam will pass through the critical point. Calculate the heat transfer when the steam is heated from the initial state at 14.7 psia to the critical state.
Liquid A has vapor pressure x and liquid B has vapor pressure y. What is the mole fraction of the liquid mixture if the vapor pressure above the solution is 30% A by moles?Calculate in terms of x and y.
Two blocks are stacked one on top of the other. the coefficient of friction between the two blocks is 0.20, adn the coefficient of friction between the bottom block adn the floor is 0.10. what is the maximum force you should apply to the bottom bl
If the spar has a cross sectional area of 10 mm x 20 mm, how many hours will the spar last based on the data in the graph provided?
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