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Problem- A 100.0mL sample of 0.10M NH3 is titrated with 0.10M HNO3. Determine the pH of the solution after the addition of 50.0mL of HNO3
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Which components of an acrylamide gel effects qualities of the final product, and which components affect the speed of polymerization?
The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. the molar mass of this compound is 284.5 g/mol. Explain what is the molecular formula of the compound
Question- An aqueous solution with a pH of 2.00 is diluted from 1.0 L to 3.0 L. What is the pH of the diluted solution
Explain what volume will 500mL of a gas at 20 degrees C as well as a pressure of 420 mm Hg live in if the temperature is reduced to -80 degrees C as well as the pressure increased to 650 mm Hg
the following reaction is carried out in a closed vessel.2 nog cl2g ---gt 2 noclgif the partial pressure of no is
An electron traveling at 3.7 X 10^5 m/sec has an uncertainty in its velocity of 1.88 X 10^5 m/s. What is the uncertainty in its position?
There is a one to one relationship between the number of moles of hydrogen gas evolved and the moles of Magnesium metal consumed in the reaction, therefore moles of H2 evolved = moles Mg consumed and the atomic weight of Mg = weight of Mg consumed..
The de Broglie wavelength of a 455 kg car is found to be 5.43 *10-47 nm. Compute the speed (m/s) of the car.
Assuming that an enzyme uses a mechanism similar to that of chymotrypsin, determine which residue of the catalytic triad (Asp, His, Ser) corresponds to pKa of 6.25 and 8.75.
If a soil has 15.2cmol of negative charge/kg, Explain how many actual negative charges does this equal per 100 grams
Alloxanic acid(C4H4N2O5,6.40g,),sodium alloxanate(5.46g) were dissolved in 250.0mL of water. Calculate moles of alloxanic acid dissolved.
What is [Mn2+] when Ecell reaches 0.055 V. What are the equilibrium concentrations of the ions
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