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Explain A 30.1-g sample of Ne gas exerts a certain pressure in a container of fixed volume. Define what mass of Ar is needed to exert half the pressure at the same conditions of volume and temperature?
express the work of isothermal reversible expansion of a van der waals gas in reduced variables and find a definition
When determining Keq for the Fischer esterification of benzoic acid with methanol, how will your calculation be affected if you lose crystals of benzoic acid on the filter paper during vacuum filtration?
Find for the combustion of naphthalene. The heat capacity of the calorimeter, determined in separate experiment, is.
What mass of iron is needed in order to supply the energy needed to warm 15.0mL of water (d= 1.00 g/cm3) from 23C to 37C
A reaction rate has a constant of 1.28/mol*s at 433 degress C and 24.0/mol*s at 533 degrees C. Determine the activation energy for this reaction.
Some solid trisodium phosphate, Na3PO4, is added to the solution that is formed by mixing 1L of .002 M Al(NO3)3 and 1L of .004 M CaCl2. Which one is going to precipitate first,
find the corrected flask volume using the following volume of water needed to fill flask996ml capillary tubing
A 10.00mL aliquot of a weak base is titrated with HCL. The equivalence point is reached after 17.21mL of 0.4332 mol/L HCL has been added. The pH is equal to 10.03 after 5.00mL of HCL was added. Determine
It takes 12 hours for half of the He in a container to leak out. If the same container is refilled with Ne, how long will it take for half of the Ne to leak out
A proton in a linear accelerator has a de Broglie wavelength of 139 pm what is the speed of the proton?
The decomposition of HI(g) is represented by the equation 2HI(g) H2(g) + I2(g) Kc= 64 at 25°C. If the equilibrium concentrations of H2 and I2 at 400°C are found to be [H2] = 5.0x10-4 M and [I2] = 1.4x10-3 M, what is the equilibrium concentration o..
Oxalic acid is a diprotic acid (H2A) which can be used as a primary standard. If it takes 33.6 mL of a solution of NaOH to neutralize 2.118 g of a oxalic acid, what is the molarity of the sodium hydroxide. MM(Oxalic acid) = 126.07g
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