Concentration of formamide at equilibrium
If a reaction vessel initially contains only CO and NH3 at concentrations of 1.00M and 2.00M, respectively, what will the concentration of HCONH2 be at equilibrium?
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Which of the following enzymes catalyzes a group transfer reaction? A. hexokinase B. aconitase C. phosphoglycerate mutase D. malate dehydrogenase E. triose phosphate isomerase
The rate constant of a reaction is 8.50 10-5 L/mols at 195°C and 9.30 10-3 L/mols at 258°C. What is the activation energy of the reaction?
The choice of precipitating reagent is important. Briefly explain what the consequences would be if excess 6M NaOH solution instead of 6M NH3 solution were used to separate Fe3+ and Al3+ ions from Ca2+, Cu2+,
What happened when CaCO3 was combined with hydrochloric acid? was a chemical reaction obvious here ? what about NaOH added to HCl? Was a reaction obvious in this case? Why indicators are important to tell if an acid-base reaction has occurred.
The following half-reactions occur in the mercury battery used in calculators. If E°cell = 1.357 V, calculate the equilibrium constant for the cell reaction at 25°C.
The equilibrium constant will decrease. C. The reaction will shift to the left in the direction of reactants. D. The equilibrium constant will increase. E. The reaction will shift to the right in the direction of products.
What quantity of energy is required to break up exactly 6 mol of SO2(g) into its constituent elements?
The venom of biting ants contains formic acid, HCOOH (Ka=1.80*10^-4 at 25 C). What is the pH of a 0.0065 M solution of formic acid?
The dipole moment of hydrogen chloride is 1.08D while that of hydrogen bromide is 0.82D. On the basis of dipole-dipole interactions, hydrogen chloride should have a higher boiling point than hydrogen bromide. The opposite is the case, however. Why
A stock solution is prepared by adding 15 mL of 2.5 M Ba(CN)2 to enough water to make 20 mL. What is the CN- concentration of 5 mL of the stock solution?
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