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An equilibrium mixture at 225 degrees contains 0.14M NH3 and0.19 M H2 for the reaction of 3H2+N2=2. If the Kc at this temp is 1.0*102, what is the equilibrium concentration of N2?
The solvolysis of benzyl chloride proceeds via a carbocation intermediate and occurs more rapidly than the solvolysis of 2-chloro-norbornane and tertiary butyl chloride.
Calculate the ratio of dihydrogen phosphate to hydrogen phosphate in the blood at pH 7.4. The Ka = 6.3 x 10 -8 5. 2.
A student dissolves 1.50g of copper(II) nitrate in water. After adding aqueous sodium carbonate solution which contains 1.80g of sodium carbonate, the student obtains 0.875g of CuCO3 precipitate.
Determine the percent by mass of calcium carbonate in the sample
What is the pH of a buffer solution that is 0.10M methylamine and 0.10Mmethylammonium salt?what is the pH if 12ml of 0.20Mhcl
A certain binary compound has the formula XO, where X denotes the other element in the binary compound. A 31.20 g sample of the compound, when subjected to string reducing conditions, leaves 23.39 g of the reduced element. Identify the element by ..
What is the pressure of a container that has 7 atm pressure coming from O2, 2 atm of pressure coming from N2, 3 atm of pressure coming from CO2?
The formation constant of a complex ion [M(NH3)4]2+(aq) is 3.8E8. If a solution is prepared by adding 0.6 mol of [M(NH3)4]Cl2 to 275.0 mL of water, what is the equilibrium concentration of free M2+(aq) ions?
How does the Hammond postulate explain: a. the greater selectivity for bromination vs. chlorination of an alkane? b. the fact that the relative reactivity of C-H bonds of an alkane for free radical chain halogenation is 1º>2º>3º
What is the equilibrium constant of the formation reaction of ammonia gas at 298.15 K under the conditions that the partial pressures
Use the Van Der Waals equation to calculate the pressures of the three real gases. Compare the plots and explain the origins of any differences you find.
Draw Fisher projections for the following: (a) (R)-2-chloropentane; (b) (2R,3S)-2,3-dichlorobutane; (c) (S)-2-Bromo-2-pentanol;
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