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Explain which of the following incorrectly pairs the molecule with the set of hybrid orbitals utilized by the central atom of the molecule?
I. XeF4, sp3d2
II. SeF4, sp3d
III. CS2,sp
IV. PF3,sp2
V. SF4, sp3
Gives what happens at neutral pH for aluminum hydroxide. A) Al dissolves B) Al(H2O)63+ dissolves C) Al(OH)3 precipitates D) Al(H2O)2(OH)4- dissolves
Consider the reaction: Cu^2+(aq) + 4NH3 (aq) -> Cu(NH3)4^2+(aq) Kf=2.1 x 10^13 If Ksp for Cu(OH)2 is 2.2 x 10^-20, what is the value of the equilibrium constant, K, for the reaction below? Cu(NH3)4^2+(aq) + 2OH -> Cu(OH)2(s) + 4NH3(aq)
Many students find that the absorbance of the DNS reaction with Diet Sprite is lower than the absorbance of water blank. Explain
question a cylinder containing 23.5 moles of nitrogen gas has a volume of 9.81l. what is the pressure of the gas at
Qualitatively, describe how an acid-base indicator works. Why do we want to use a minimum amount of indicator in a titration? Select all that apply.
the reaction proceeds via successively faster halogenations at the -position until the 3 h have been replaced. explain
What is the composition in mole fractions of the gas mixture that is expelled? The solubilities of CH4 and C2H6 at 20 degrees celcius and 1 atm are .0175 g/L H20 and .059g/L H2O, respectively.
If you measured absorbances of a product in different solutions at 470 nm and used a molar extinction coefficient of 4234 M^-1 cm^-1 in your calculations.
we can see that the amount of heat released is 1679.5 \rm kJ per mole of methane, or 1679.5 \rm kJ per four moles of fluorine. How much heat is released per mole of fluorine
Outline a reasonable synthetic scheme to effect the conversion of cyclohexene to 2-ketoheptanoic acid
A wine-dispensing system uses argon canisters to pressurize and preserve wine in the bottle. An argon canister for the system has a volume of 29.1mL and contains 36.6g of argon.Assuming ideal gas behavior
Many household cleaning products contain oxalic acid, H2C2O4, a diprotic acid with the following dissociation constants
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