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Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5. Enter your answer with 2 decimal places. Enter scientific notation as 1.23E4. (a) When 11.50 mL of 0.470 M HNO3 have been added. (b) When 65.00 mL of 0.470 M HNO3
Suppose one wated to take another approach where C is heated until 5% of the atoms occupy the electronically excited state. Consedering only the lowest-energy ground state and the elctronically excited state
Calculate the heat capacity of the bomb (Cbomb) given that under constant volume conditions the specific heat of combustion of benzoic acid is 26,434 J.g?1.
Determine which ion will precipitate first and at what concentration of sulfate ion will the first precipitate begin to form?
In what ways might the one(s) that does (do) not have a metabolic energy source (caffeine) provide the perception of increased energy after consumption?
A) Amonium phospahte (NH4)3PO4 is water insoluble b) A precipitation reaction will occur in the following reaction AgCLO4 (aq) + CaBr2(aq) c) Ba(OH)2 is a strong acid d) Ba(OH)2 is a strong electrolyte
Calculate the final temperature of the mixture, assuming no heat is lost. The heat capacities of Hg and H2O are 27.98 and 75.33 J/mol/K, respectively.
The density of iron is 7.87 . What is the mass of a 4.00 4.00 1.00 block of iron? Express your answer to three significant figures and include the appropriate units.
Predict the products when 1-propanol is heated in the presence of an acid. please include a picture of it. Really appreciate it.
Write a balanced molecular equation and a net ionic equation for the reaction aluminum hydroxide with a solution of hydrobromic acid. Include the states of each species. a) balanced molecular equation b) net ionic equation
Briefly discuss the importance of the principles of solubility and miscibility when choosing extraction solvents
A piston has an external pressure of 14.0 . How much work has been done if the cylinder goes from a volume of 0.180 liters to 0.650 liters.
A laser pulse with wavelength 555nm contains 4.40mJ of energy. How many photons are in the laser pulse.
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