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Consider the following system at equilibrium where deltaH° = 10.4 kJ/mol, and Kc = 1.80×10-2 , at 698 K. 2 HI (g) = H2 (g) + I2 (g) When 0.36 moles of HI (g) are removed from the equilibrium system at constant temperature: the value of Kc A. increases.
B. decreases. C. remains the same. the value of Qc A. is greater than Kc. B. is equal to Kc. C. is less than Kc. the reaction must:
A. run in the forward direction to reestablish equilibrium.
B. run in the reverse direction to reestablish equilibrium.
C. remain the same. It is already at equilibrium. the concentration of H2 will: A.
Explain which of the subsequent elements have two unpaired electrons and consequently are paramagnetic
Question- Give the symbols for the nuclide that is formed in each of the following radioactive decays by indicating the atomic symbol, atomic number, and mass number of the nuclide. ^11B> 0/0 v+
Explain how you arrived at this conclusions. Write a balance chemical equation for the reaction that occurs when sodium cyanide dissolves in water.
Calculate the ratio of equatorial to axial tert-butylcyclohexane at 25°C. Explain why the conformational equilibria for methyl, ethyl, and isopropyl substituents are comparable but the conformational equilibrium for tert-butylcyclohexane lies cons..
If performing a HPLC on a complex mixture what things might I do to increase the resolution of the spectra. Be specific here please
how efficient is the extraction of tea leaves containing tra1.0g of caffeine with two 30-ml portions of chloroform over
Determine the number of moles of aluminum in 38.8 g of Al. How many atoms are in 5.54g of F2? Here is one way to produce methan
15.00 g of solid ammonium hydrogen sulfide is introduced into a 500.-mL flask at 25°C, the flask is sealed, and the system is allowed to reach equilibrium. What is the partial pressure of ammonia in this flask if Kp = 0.108 at 25°C for
Provide the name of the major alkene product that results when (2S,3S)-2-bromo-3-methylpentane is treated with sodium methoxide in methanol.
You are hard at work separating diethyl ether as well as toluene by simple distillation. Your lab partner spills little sodium chloride in the distillation mixture. Is simple distillation still suitable or should you switch to fractional
Consider an aqueous solution that is 0.934 M in FeCl2 (MW = 126.752 g/mol) with a density of 1.31 g/mL. Calculate the molality, mass percent, and mole fraction (?) of FeCl2 in this solution. The MW of H2O is 18.02 g/mol.
In biochemistry laboratories, solutions of sucrose (table sugar, C12H22O11) are used in high speed centrifuges to separate the parts of a biological cell.
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