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What is the value of Kc for the reaction 2A(g) + 3B(g) 2C(g) + D(g) if at equilibrium [A] = 0.60 M, [B] = 0.30 M, [C] = 0.10 M and [D] = 0.50 M? A) 0.088 B) 0.51 C) 2.4 D) 0.15
For a reversible reaction with a one-step mechanism, A B , the rate of the forward reaction is ratef = 3.2 x 10-6 s-1 [A] and the rate of the reverse reaction is rater = 4.6 x 10-4 s-1 [B]. What is
The concentrations of each were then determined as follows: [Fe^3+]= 6.8 x 10 ^-4 M, [SCN ^-]= 3.3 x 10 ^-4 M, [FeSCN ^2+]= 3.0 X 10 ^-5 M. Determine the equilibrium constant for this reaction.
A plot of ln [C] versus time is linear for the reaction C ® D. What is the kinetic order of the reaction. A) first B) one-half C) zero
The decomposition of dinitrogen pentoxide obeys the rate-law expression rate = 0.080 min-1[N2O5]. If the initial concentration of N2O5 is 0.30 M, what is the concentration after 2.6 minutes
The rate constant for the second order reaction 2NO2 ® N2O4 is 2.79 L/mol ·min at 48 oC. If the initial concentration of NO2 is 1.05 M , what is the half-life? A) 20.5 s B) 10.3 s C) 0.34
The half-life for the reactant A in the first order reaction A ® B is 36.2 seconds. What is the rate constant for this reaction at the same temperature
A bimolecular reaction is found to be 1st order with respect to both reactants. If the rate of reaction is 1.87 mol/L ·s at 25 oC, what is the reaction rate if both reactant concentrations ar
Evaluate the specific rate constant for the reaction at the temperature for which the data were obtained. The rate-law expression is rate = k[A][B]2
The gas phase reaction A + B ® C has a reaction rate which is experimentally observed to follow the relationship rate = k[A]2[B]. Which one of the following would affect the value of the specifi
A hypothetical reaction X + 2Y ® Products is found to be first order in X and second order in Y. What are the units of k, the specific rate constant, if reaction rate is expressed in units of mo
Calculate the potential developed by a voltaic cell using the following reaction if all dissolved species are 0.025 M: 2 Fe2+ (aq) + H2O2 (aq) + 2 H+ (aq) ? 2 Fe3+ (aq) + 2 H2O (l)
Arrange the bonds in each of the following sets in order of increasing polarity: a)C--F, Be--F, O--F b)O--Cl, S--Br, C--P c)C--S, B--F, N--O
Determine the mass of 100 mL of solution for this reaction: the results were 2.05 g of NaOH, 102.05 grams (total solution-when added with the water).
Dr. Carvell made up a 5X stock of ONPG stock solution that has a concentration of 50 mN. The molecular mass of ONPG is 354.7. What is the percent composition of this solution
If your methanol was wet (contained water), what compound would be formed and isolated along with trityl methy ether. Explain and what effect would that have on the melting point of the product
Acetic acid is a weak acid whose Ka is 1.8 X 10^-5. Calculate the predicted pH values for 1.0 M, 0.10 M, and 0.010 M acetic acid.
Arrange the following solutions in descending order according to the volume of each that will react with 1L of 1M HCl a) 1 M NaOH b) 1.5 M Ca(OH)2 c) 2 M KOH d) 0.6 M Ba(OH)2 Give the volumes of eac
If the emitted green light corresponds to an electron dropping from that excited state back down to the ground state, what is the energy spacing (in aJ) between the highest occupied and lowest unocc
Mixing cyclohexanol with phosphoric acid is an exothermic process, whereas the production of cyclohexene is endothermic. Construct an energy diagram showing the course of this reaction.
The skeletal structure of one molecule is included to indicate the proper format; modify the X\'s on the given structure to create the first stereoisomer.
When NH4NO3 dissolves in H2O, would you predict that the energy needed to break the ionic bonds and separate the water molecules (H1 and H2) to be greater or less in absolute value than the energy
Which product(s) would be obtained by the dehydration of 2-heptanol. Of 2-methyl-1-cyclohexanol