chem
Consider the titration of 30.0 mL of 0.050 M NH3 with 0.025 M HCl. Calculate the pH after the following volumes of titrant have been added. (The Kb for NH3 is 1.8e-05.) (a) 0 mL . (b) 25.0 mL . (c) 59.0 mL . (d) 60.0 mL (e) 63.0 mL (f) 67.5 mL
government
I have serrched her name under google but still have not found what i need. what does committee membership mean? isnt she just a senator? and i cant find her party duties
government
I am doing a research paper on senator Debbie Stabenow and I cant find some information. What are her years of experience, committee membership and party duties? also how is she viewed by different special interst groups? thanks!
math
Classify each statement as sometimes, always, or never true. A. 2^(2/3)*4^(4/3)=8*2^(1/3) B. If x>0, then (squareroot x*squareroot 2)^3 =x^(3/2) 2^(3/2) C. If x>0, then (squareroot x+ squareroot 2)^3 =x^(3/2) 2^(3/2) D. The only solution to x^(2/3)= 4 is x=8
chem
Assume that 35.0 mL of a 0.13 M solution of a weak base B that accepts one proton is titrated with a 0.13 M solution of the monoprotic strong acid HX. (a) How many moles of HX have been added at the equivalence point?
chem
i am confused how you got the .0444?
chem
Calculate the pH at the equivalence point in titrating 0.100 M solutions of each of the following with 0.080 M NaOH. chlorous acid (HClO2) benzoic acid (C6H5COOH)
AP Physics
A small block with mass 0.035 kg slides in a vertical circle of radius 0.425 m on the inside of a circular track. During one of the revolutions of the block, when the block is at the bottom of its path, point A, the magnitude of the normal force exerted on the block by the tra...
physics
Why is an echo weaker than the original sound? 1. The echo has a shorter wavelength than the original sound due to the reflection. 2. The echo has a smaller amplitude than the original sound because sound spreads and its intensity decreases with distance. 3. The echo has...
physics
If the intensity of a person’s voice is 3.6×10−7 W/m2 at a distance of 2.1 m, how much sound power does that person generate? Answer in units of W
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