What was the molality of the prepared naoh solution
You add 7ml of 6M NaoH to a flask and diluted with water to a final volume of 400ml with water. Neutralization required 21.45ml of the base solution when titrating 20.00ml of a 1.005 HCl solution. What was the molality of the prepared NaoH solution?
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While doing a homework assignment, you fit a Linear Model to your data set. You are thinking about changing the Linear Model to a Quadratic one. Which of the following is most likely true:
Explain the formation of line spectrum in the Balmer series of hydrogen atom. If the emitted photon has a wavelength of 434nm, determine the transition of electron that occurs.
A subway train starts from rest at a station and accelerates at a rate of 1.64 for 13.1 . It runs at constant speed for 70.7 and slows down at a rate of 3.50 until it stops at the next station. Find the total distance covered.
Using the data below, identify the confidence interval for the mean based on a 95% confidence level. Assume that the population mean is $55 and the standard deviation is $5.
You add 7ml of 6M NaoH to a flask and diluted with water to a final volume of 400ml with water. Neutralization required 21.45ml of the base solution when titrating 20.00ml of a 1.005 HCl solution.
Find the displacement amplitudes of the a) initial note and b) the final note. part c and d should be in pascals.
Given that the E(o) for Cu+ is 0.521V and the E(o) for Fe(2+) is -.440V, determine the cell potential for the reaction and state wether or not the reaction is spontaneous.
In the bucket there are 200 tickets and 36 of them have a W. Let's consider the first 20 students that draw a raffle ticket and calculate the following. What is the expected number of W's drawn?
An ambulance moving at 42 m/s sounds its siren whose frequency is 450Hz. A car is moving in the same direction as the ambulance at 25 m/s. What frequency does a person in the car hear (a) as the ambulance approaches the car? (b) After the ambulanc
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