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10.00 mL of a 0.250 M solution of HOAc is diluted to 100.0 mL as well as then titrated with a 0.100 M solution of NaOH. Define what volume of NaOH requires to be added to reach the endpoint? Define what is the pH at the endpoint?
For which of the following would nitration (via Electrophilic aromatic substitution) occur in the ortho- and para- position?
Calculate: (a) The partial pressure of each component. (b) The mass fraction of methane. (c) The average molecular weight of the gas mixture. (d) The density of the gas mixture in kg/ m3. write the steps please
What is the volume occupied by 0.265mol of helium gas at a pressure of 1.28atm and a temperature of 307K
Why does aluminum hydroxide readily dissolve in concentrated NaOH but not in concentrated NH3? Please give a thorough explanation, not just a short answer.
the enthalpy of formation of ethanol, C2H5OH, is -277.0 kJ/mol at 298.15k. calculate the enthalpy of combustion of one mole of ethanol, assuming that the products are CO2 (g) and H2O.
What is the predicted pH of the following: 0.1M HCl, 0.01M HCl, 0.001M HCl, 0.1M HC2H202, 0.1 M HC2H3O2, 0.1 M NH4Cl, deonized water
Based upon what you know about acids and bases, and given that manganese will be reduced by sodium bisulfite, make a prediction about how the oxidation-reduction reaction will be affected by acidic
If 50 mL of the solution from part a is added to each of the beakers shown here(i through iv), in which beakers, if any, will a precipitate form? State water and mixture is allowed to come to equilibrium
Assume that the kinetic energy of a 1500 kg car moving at 150 km/h could be converted entirely into heat. What amount of water could be heated from 22C to 48C by the car's energy?
What is the concentration of protein A in the filtrate, as well as the concentrations of proteins B and C in the filtrate and retentate?
When the following chemical equation is correctly balanced, what is the sum of the smallest set of integer coefficients
in the manufacturing of computer chips cylinders of silicon arecut into thin wafers that are 3.00 inches in diameter
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