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The reaction below is performed in a 1.0-L vessel. Explain what pressure of NOCl must you put into the empty vessel at the start with if you want to end up with 0.23atm of Cl2 at equilibrium? 2 NOCl(g) 2 NO(g) + Cl2(g) Kp = 0.18
Calculate the pH at the equivalence point for the titration of 0.25 M CH3COOH with 0.25 M NaOH. (For CH3COOH, Ka= 1.8 × 10^-5)
Explain how carbon NMR distinguishes the 3 isomers1, 2-dimethylbenzene, 1, 3-dimethylbenzene and1, 4-dimethylbenzene. Explain why are they difficult to distinguish using proton NMR
The first ionization energy of Na is 495.9 kJ/mol. What is the longest wavelength of light that could remove an electron from a Na atom
Copper(I) ions in aqueous solution react with NH3 according to, Cu+ + 2 NH3 Cu(NH3)2+ Kf = 6.3x10^10 M-2 Calculate the solubility of CuBr (Ksp = 5.3x10^-9) in a solution in which the equilibrium concentration of NH3 is
Choose the selection which correctly characterizes all three of the following substances in terms of whether they are polar or nonpolar: CS2 and XeF2 and GeH4 a) CS2 is polar and XeF2 is nonpolar and GeH4 is nonpolar.
Wet steam flows in a pipe at a pressure of 700 kPa. To check the steam quality, the wet steam is expanded to pressure of 100 kPa. The expansion process may be assumed to be isenthalpic
if a sample of 3.16g at a pressure of 0.750 atm and temperature of 45 degree celsius then calculate what is the molar
Calculate the pH during the titration of 10.00 mL of 0.400 M hypochlorous acid with 0.500 M NaOH. First what is the initial pH (before any NaOH is added)
a photon has a wavelength of 741nm calculate the energy of the photon in joules
Using the "like dissolves like" rule and the chemical structure of your unknown liquid, explain its solubility/insolubility in water. Describe the type of bonding that your unknown has (covalent, polar covalent)
In the (unbalanced) photosynthesis reaction above, Fill in the Blank 01 kg of glucose are produced if 44 kg of carbon dioxide are consumed. Make sure to balance the equation first.
how many kj of energy are required to convert 171 grams of water liquid at 100degc to steam at 114degc? the following
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