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The equilibrium constant for the following reaction is .20 at 100 degrees C. if an equilibrium mixture contains solid carbon, [H2O]=.40 M, and [CO]=.40 M,what is the [H2]? C(s)+H2O(g)<>CO(g)+H
Consider the reaction 2SO2(g)+O2(g)<>2SO3(g). a) write the equilibrium constant expression for Kc. b) what is the Kc for the reaction if at equilibrium the concentrations are [SO2]=.10 M, [O2]
write the balanced chemical equation for each of the following equilibrium constant expressions: a)Kc=[CO2][H2]/[CO][H2O. b)Kc=[H2][F2]/[HF]^2. c)Kc=[O2][HCl]^4/[Cl2]^2[H2O]^2. d)Kc=[CS2][H2]^4/[Ch
For each of the following reactions at equilibrium indicate if the equilibrium mixture contains mostly products mostly reactants or both products and reactants: a)2H2O(g)<>2H2(g)+O2(g) Kc=4x10
consider the following reaction at equilibrium: N2(g)+O2(g)+heat<>2NO(g). indicate how each of the following will shift the equilibrium: a)raising the temperature of the reaction. b)decreasin
Draw resonance structures for each of the following molecules or ions: a) HCO2^- (C is the central atom); b) N2O (N N O).
Draw the electron-dot formula for each of the following molecules or ions: a) HCCH (ethyne); b) CS2 (C is the central atom); c) NO^+
If the available valence electrons for a molecule or polyatomic ion does not complete all of the octets in an electron-dot formula, what should you do
Draw the electron dot formula for each of the following molecules or ions: a) H2O; b) CCl4; c) H3O^+; d) SiF4; e) CF2Cl2; f) C2H6 HH
173.3 g of NaCl completely dissolves (producting NA+ and Cl- ions) in 1.00 kg of water at 25.0 degrees celcius. the vapor pressure of pure water at this temperature is 23.8 torr. Determine the vapor
Determine the total number of valence electrons in each of the following: a) SBr2; b)NBr3; c) CH3OH; d) NH4^+.
Compare and contrast the number of representative particles and the mass of UF6 with the number of representative particles and mass of CCl3CF3. Explain any differences you observe.
What is [Pb^2+] in a saturated solution of PbCO3 if Na2CO3,with a common ion is added to give [CO3^2-]=3.0x10^-4 M? PbCO3 Ksp=7.4x10^-14
A saturated solution of copper(II) sulfide, CuS, has [Cu^2+]=1.1x10^-18 M. what is the value of Ksp for CuS
for each of the following changes at equilibrium, indicate whether the equilibrium shifts toward products or reactants or does not shift: a)increasing the temperature. b)adding C(s). c)removing CO(g
for each of the following slightly soluble salts write the equilibrium equation dor dissociation and the solubility product expression: a)Ag2S. b)Al(OH)3. c)BaF2.
The poison strychnine is a weakly basic compound with Kb = 1.8e-6. What is the pH of a 0.058M solution of strychnine
Ammonia is produced by reacting nitrogen gas and hydrogen gas. N2(g) + 3H2(g)<> 2NH3(g) + 92kJ. for each of the following changes at equilibrium, indicate whether the equilibrium shifts toward
What is the effect on Kc when the temperature of an exothermic reaction is lowered. according to le chatelier's principle how is equilibrium in part a reached
An equilibrium mixture at 225 degrees C contains .14 M NH3 and .18 M H2 for the reaction 3H2(g)+N2(g)<>2NH3(g). if the Kc at this temperature is 1.7 X 10^2 what is [N2]
the equilibrium constant, Kc, for this reaction is 4.6 x 10^-3. N2O4(g)<>2NO2(g). if the equilibrium mixture contains .050 M NO2 what is[N2O4]
want to synthesize 3-methyl-2-pentene from 2-chloro-3-methylpentane. Which reagent would you use
When using the Cahn-Ingold-Prelog rules for prioritizing groups on a stereogenic carbon, priority is first assigned on the basis of
What is the total number of compounds, stereoisomers included, designated by the general name dichlorocyclopentane
For phenylanaline can be modeled as particle on a ring. Calculate the probability of finding electrons in one half of the ring from the ground state