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What is the pH at the equivalence point in the titration of a 18.7 mL sample of a 0.478 M aqueous acetic acid solution with a 0.370 M aqueous barium hydroxide solution?
Calculate the pH of the buffer if 2.0 mL of 0.0125 M HCl is added to the buffer prepared in question 3. What is the % change in the pH of the buffer?
Can you explain in detail about LAW OF CHEMICAL COMBINATION
Problem- For a first order reaction with an [A]o = 35 and a final concentration [A]t = 5 at 85.0 minutes, what is the rate constant for the reaction
What amount of the ultimate carbonaceous BOD is remaining after this time?
Include square brackets around the coordination complex. Do not include the oxidation state on the metal. Use parentheses only around polyatomic ligands. For ethylenediamine use (en) in the formula.
When the following reaction is balanced in basic solution using the lowest possible whole number coefficients, the coefficient of Pb(OH)42-(aq) will be: BrO3-(aq) + Pb(OH)42-(aq) --> Br-(aq) + PbO2(s)
Cocaine overdose and addiction are major public health problems. One novel treatment involves the administration of high activity mutants of human butyrylcholinesterase (BChE) (i.e. this would be a protein-based ‘drug') that would hydrolyze and d..
The pH of this solution was measured at 13.07 as well as a conductivity experiment determines that this salt was completely ionized in solution. Explain what is the molecular weight of this monobasic salt
Please briefly discuss electrons (beta particles), alpha particles, and x-rays (include definition, and compare/contrast them).
A 0.08353 g sample of gas occupies 10.0-mL at 295.0 K and 1.10 atm. Upon further analysis, the compound is found to be 13.068% C and 86.932% Br. What is the molecular formula of the compound?
Air having an initial Mach number of 2.4, a freestream static pressure of 105 P a and a static temperature of 270°K is deflected by a wedge through an angle of 10° .
When a solute is add to a pure solvent, what effects does the solute have on freezing and boiling point of the solution?
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