Describe the visible change that occurs if H3O+ is added to the reaction shown below at equilibrium.
2 BaCrO4 + 2 H3O+ ⇄ Ba+2 + Cr2O7-2 + 3 H2O
The visible change above is due to the formation of what material? Explain why this is occurring.
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Describe the visible change that occurs if H3O+ is added to the reaction shown below at...
a)Explain why it is important that the equilibrium constant for the reaction that occurs during an acid-base titration be very large. b) a)Explain why it is important that the equilibrium constant for the reaction that occurs during an acid-base titration be very large. b) Microscopic representations for four different solutions containing bases are shown below. What are the relative strengths of the bases shown in l - IV? Explain your reasoning. Note: H2O molecules are not shown for clarity.
Explain the equilibrium shift that occurs when water is added to the original equilibrium reaction. Cu(H2O)62+(aq) + 4Cl–(aq) D CuCl42–(aq) + 6H2O(l)
Consider the reaction below. 4.5 mol of A and 10.0 mol of B are added to a 3 L container. At equilibrium, the concentration of A is 0.270 M. What is the concentration of at equilibrium? Consider the reaction below. 4.5 mol of A and 10.0 mol of B are added to a 3 L container. At equilibrium, the concentration of A is 0.270 M. What is the concentration of at equilibrium? 4 A +5 B 2 C Initial Change...
What reaction occurs when sodium hydroxide is added to the stearic acid in cyclohexane and water? How does this change the solubility of cyclohexane in water? Does HCl reverse this reaction when it is added? If so why? Does sodium chloride have the same type of behavior as stearic acid or is it different? Explain why these two solutes are the same or different. (Please answer in your own words.)
Consider the reaction below. 3.4 mol of A and 8.4 mol of B are added to a 4 L container. At equilibrium, the concentration of A is 0.731 M. What is the concentration of at equilibrium? 1 A + 2 B harr 5 C 1 A + 2 B harr 5 C Initial M M M Change - M - M + M Equilibrium 0.731 M M M Consider the reaction below. 3.4 mol of A and 8.4 mol of...
Ethylenediamine (shown below) is a chelate that is typically abbreviated as "end" The formation constants, K_F, of octahedral Ni^2+ complex ions at 25 degree C are: Write the reactions for the formation and the formation constants (in terms of concentrations) for each complex ion The Delta H_f of the two complex ions are the same to two significant figures How do you explain the difference in formation constants? If NH_3 were added to an aqueous solution of [Ni(en)_3]^2+ such that...
The standard free energy change for a strong acid-strong base neutralization reaction at 25C° is -79.9KJ. H3O+(aq) + OH-(aq) --> 2 H2O(l) a. Calculate the equilibrium constant for the reaction and explain it's chemical significance.
1. The initial concentrations of reactants and products for this reaction are given below. N2(g) + O2(g) ⇄ 2NO(g) Calculate Q for this reaction. Answer this to one decimal place (e.g. 10.2) The initial concentration of N2 is 1.0 M The initial concentration of O2 is 1.0 M The initial concentration of NO is 2.5 M 2. The reaction below is not at equilibria and Q = 1.7. The equilibrium constant is K = 0.230. 2SO3(g) ⇌ 2SO2(g) + O2(g)...
2. For the reaction outlined below draw out the reaction mechanism using arrow formalism to describe how the reaction below occurs. Be sure to draw out all reaction intermediates of the moment of all electrons needed to justify the formation of the indicated product. You do not need to add in any reagents that are not shown OR any other products that could be made but are not shown. (2 points) Br NaOH, acetone Na o
Discussion 6 A colorless solution of barium nitrate is added to a pale green solution of iron(l) sulfate in a beaker. A reaction occurs. 1. Describe the observation that would be expected for this reaction. 2. What is the chemical name and chemical formula of the observation that is observed? 3. State what type of reaction is occurring, 4. What are the spectator ions for this reaction? Read the Netiquette guidelines before posting. Your post should include: Answer all questions...