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In a modified version of the unknown acid analysis experiment, a 0.7032 g sample of unknown monoprotic weak acid was dissolved in water using a 100-mL-size volumetric flask. A 10.0 mL aliquot of this weak acid solution was titrated with a 0.0498 M NaOH solution. The equivalence point was reached by adding 11.62 ml of NaOH from the buret. What is the molar mass of this unknown acid?
A sealed container contains 6 mol of hydrogen and 1 moles of nitrogen gas. If the total pressure in the container is 1.5 atm, what is the amount of pressure exerted by the hydrogen?
Using the perfect gas law, if the diver rapidly resurfaces to 1 atm of pressure, how much N2 in Liters will come out of their blood
describe the underlying concepts of how laboratory activity works. descreption should be at least half page
A solution of .637g of the solid in 24.1g of the solvent diphenyl gave a freezing point depression of 1.76 degree celsius. Calculate the molar mass and molecular formula of the solid(k1 for diphenyl is 8.00 degree celsius/m)
If an ideal gas is expanded reversibly, the heat absorbed qrev, can be expressed by the differential dqrev = Cv dT + P dV, Where Cv is a constant (called heat capacity at constant volume). Show that dqrev is an inexact differential.
Butane (C4H10) has a heat of vaporization of 22.44 kJ/mol and a normal bioling point of -0.4 celsius. A 250 Ml sealed flask contains 0.55 grams of butane at -22.0 celsius. How much butane is present as a liquid?
Determine the standard reaction enthalpy for the partial combustion of methane to carbon monoxide.
Which entries below should have the highest standard molar entropy? Place them in order of increasing standard molar entropy. ex: a>b>c>d.
Determine what is the observed rate for the given reaction - empirically determined rate
Put in order the following molecules in terms of the Permeability of the molecule across a membrane by simple diffusion at pH 7.
If it is Ionic, mention which is the cation and which is the anion. Discuss how the ions formed (gaining or losing electrons and how many). If it is covalent, discuss where the covalent bonds are and draw the structure.
How much energy is released from the complete combustion of 63.0 g of sulfur in this equation:
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