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Consider the titration of a 25.0 mL sample of 0.100 M HC2H3O using 0.100 M NaOH as the titrant. Ka=1.8 x 10^ -5. Calculate the pH of the analyte after 10.00 mL of 0.100 M NaOH has been added. Use the Henderson-Hasselbalch equation.
The specific heat capacity of nickel from these experimental data is calculated to be 0.429J/goC Calculate the molar heat capacity of Ni in J / mol oC, to 3 significant figures
An open flask sitting in a lab fridge looks empty, but we know that actually it is filled with a mixture of gases called air.
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
If Amberlyst 21 has a concentration of active site of 1.25 eq/L and we want to use 100 mL of a solution, how much Amberlyst 21 should we use
If a sample containing 2.11 mL of nitroglycerine (density = 1.592 g/mL) is detonated, how many total moles of gas are produced?
A 1-L flask is filled with 1.20g of argon at 25C . A sample of ethane vapor is added to the same flask until the total pressure is 1.15 atm. A) What is the partial pressure of argon, P Ar , in the flask
A nuclear reaction involves the hypothetical element X, which has an atomic number of 166, as a reactant. The 360X nuclide reacts with 5 neutrons yielding a nuclide of element Y along with, altogether, 2 beta particles, 5 neutrons, 3 alpha particl..
Starting with Benzyl alcohol (PhCH2OH), 1-Proponal and any other organic or inorganic reagents outline a synthesis of 2-methyl-3-phenyl-2propen
What is the final temperature of a 123.5 g of silver if the initial temperature was 25.5C and 31 kJ of heat was added
What is the strongest type of intermolecular force in the following compounds? dipole-dipole, london desperison or hydrogen bounding
Write a balanced equation for the neutralization of each of the following. Express your answer as a chemical equation. Identify all of the phases in your answer
The activation energy for the formation of HCl from its elements: H2 (g) + Cl2 (g) → 2 HCl(g) is 155 kJ mol-1. How much faster will this reaction occur at 200°C versus at 100°C?
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