Transition state Transition state Products Reactants Reactants Products Reaction coordinate Reaction coordinate (a) Highly exothermic reaction (b) Highly endothermic reaction A) Does the structure of the transition state in the endothermic reaction resemble that of the reactants or the products? Energy Energy

Transition state Transition state Products Reactants Reactants Products Reaction coordinate Reaction coordinate (a) Highly exothermic reaction (b) Highly endothermic reaction A) Does the structure of the transition state in the endothermic reaction resemble that of the reactants or the products? Energy Energy

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter12: Chemical Equilibrium

Section: Chapter Questions

Problem 12.ACP

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4.) For the following equilibrium reaction state what happens when the following reagents are added NaOH(aq) + HСІ(ад) + НОН(аq) + NaCI(aq)+д a.) Mg(ОН)2 b.) КCІ с.) KBr d.) Heat (A) e.) CH;CH,COH (an acid) f.) decrease in temp.
Suppose a 0.048M aqueous solution of sulfuric acid (H, SO,) is prepared. Calculate the equilibrium molarity of SO 2- You'll find information on the properties of sulfuric acid in the ALEKS Data resource. Round your answer to 2 significant digits. [M Submit Assig Continue Ac O 2022 McGraw Hill LLC. All Rights Reserved. Terms of UseI Privacy Center MacBook Air F10 F9
:41 AM Mon Feb 27 S Given the generic reaction, T ... Systems in Chemical Equilibrium I A(aq) + B(aq) → C(aq) 1. Write the mass action expression for Kc, the equilibrium constant. Kc = [Products] [reactants] Kc = Q Name: Hailey GAY equilibrium shift to counteract the disturbance? Backward [A][B] Ace MASS Actions 109 librium and then A was removed which direction would the equilibrium Stift to counteract the distors If the system above was at equilibrium and then a List at least two ways that you could Omonen Shirt to counteract the disturbance?for ACE oper @ 100% +: 0 direction would the 2.400 more reactant, &09) In 6. If the temperature of the equilibrium system above is decreased and the concentrations of the reactants A and B decrease, then is the "heat" considered a reactant or product? a. Therefore from left to right, is the reaction endothermic or exothermic? b. What will happen to the value of Kc with the increase in temperature? Increase, decrease or remain constant?
oi ms uwn aci- dissociation constant, K. K,, etc. For example, a diprotic acid HA reacts as follows: The change in concentration (y =0.000064 mol Lis negligible compared to the initial concentration (0.083 mol L), so the simplitying approximation was valid. HA(ag) + H; O() = H,O" (ag) + HA (aq) Ka H,0*HA HA] Part C HA (ag) + H2O()= H,O (aq) + A? (aq) Calculate the equilbrium concentration of HC,O, in a 0.20 mol L solution of oxalic acid. Express your answer to two significant figures and include the K HA appropriate units. > View Available Hint(s) In general, K., = [A-| for a solution of a weak diprotic acid because H,0] [HA ]. HÀ ? Value [HC,0,) Units Submit
Ethyl acetate is synthesized in a nonreacting solvent (not water) according to the following reaction: CH3 CO2H+ C2H; OH = CH3 C02C,H; + H2O К — 2.2 Acetic acid Ethanol Ethyl acetate For the following mixtures, will the concentration of H2 O increase, decrease, or remain the same as equilibrium is established? а. [CH3CO-С2H:] — 0.22 М, [Н,0] — 0.10 М, [CH3 CO2H] — 0.010 М, [С, Нs Он] — 0.010 м decrease increase O remain the same b. [CH3 CO2 C2H3] 3D 0.22 М, [Н2о) —D 0.0020 М, [СH; CO2H] — 0.0020 М, [С2H5 ОН — 0.10 м decrease X increase O remain the same c. [CH3 CO2C2H3] 3D 0.88 М, [Н20] - 0.12 М, [СH3СО2Н 3D 0.044 М, [С Hs ОН — 6.0м decrease O remain the same increase d. [CH; CO2C2H;] 3D 4.4 М, [Н20] %3D 4.4 М, [СН3СОН — 0.88 м, [С, H; ОН] — 10.0м increase O remain the same decrease e. What must the concentration of water be for a mixture with [CH3CO2 C2H5] = 1.0 M, [CH3CO2H] = 0.10 M, and [C2H5 OH] = 6.0 M to be at equilibrium? Concentration = 0.09 X M
)A0.4723-g sample of primary-standard-grade Na:COs required 34.78 mL of an H:SO. solution to reach the end point in the reaction Co + 2H" - H:0 + CO:(g) What is the molar concentration of the H2SO?
The equilibrium constant K. for the reaction N2 + 3H2 = 2NH3 is 0.159 at 450°C. Calculate the equilibrium composition when 2.00 mol N2 is mixed with 6.00 mol H2 in a 5.00 L vessel. [N2] = %3D M [H2] M [NH3] |M ||
O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic compound when a commo... Calcula alo solubility at 25 °C of CuBr in pure water and in a 0.0070M COBT, solution. Data Round both of your answers to 2 significant digits. Formula Ksp BaCro4 1.17x10-10 BaSO4 1.08x10-10 solubility in pure water: CaCO3 3.36x10-9 CaF2 3.45x10-11 solubility in 0.0070 M CoBr, solution: Co(OH)2 5.92x10-15 CuBr 6.27x10-9 CUCO3 1.4x10-10 Fe(OH)2 4.87x10-17 PBCO3 7.40x10-14 PbCr04 2.8x10-13 PBF2 3.3x10-8 Mg(OH)2 5.61x10-12 Ni(OH)2 5.48x10-16 AgBrO3 5.38x10-5 Ag2CO3 8.46x10-12 AgCl 1.77x10-10 Ag2Cr04 1.12x10-12 SrCO3 5.60x10-10 ZnC03 1.46x10-10 Zn(OH)2 3.0x10-17 AgBr 5.35x10-13 1.77x10-10 2021 McGraw-Hill Education. All Rights Reserved Check AuCl Explanation Tems of Use Pv 18
5:15 7 of paner cdn.fbsbx.com 32 of 34 JOIVO the Tonowing propies below. white your stat 1. Determine the Keq for the following equilibrium: 2CH4(9) C₂H₂(g) + 3H₂(g) (CH4 = 2.5 x 10-³ M; C₂H₂ = 0.01375; H₂ = 0.04125) Done 2. Determine the pH of the following: a. [H] = 1.0 x 10-² b. pOH = 4.5 C. [H+] = 8.5 x 10-6 3. Determine the pH of the buffer solution below: 0.25 M NH3 and 0.30 M NH4+ with pka = 4.76 SAN PEDRO RELOCATION CENTER NATIONAL HIGH SCHOOL - SCIENCE DEPART û
ow-owl.cengagenow.com/ilrn/takeAssignment/ta... OWLv2 | Assignmen... I Labflow - Course: U... At a particular temperature a 2.00-L flask at equilibrium contains 5.10 x 10-4 moles of N₂, 2.50 × 10-5 moles of 02 and 2.00 x 10-2 moles of N₂O. Calculate K at this temperature for the reaction 2N₂(g) + O₂(g) ⇒ 2N₂O(g) Submit Answer [References] K = If [N₂] = 2.00 × 10-4 M, [N₂O] = 0.200 M, and [0₂] = 0.00813 M, does this represent a system at equilibrium? 6 item attempts remaining M Inbox (2,487) Try Another Version
just to verify the answer rto 1 is increasing and 2 is increasing>??
Withdr... Forms | Office of t... KB Viewing Your Aca.... Have Changes in... Scholarship Ameri... bio 1108 chat [Review Topics] [References] Use the References to access important values if needed for this question. M B # 3 Consider the reaction: P(s) + 3/2Cl₂ (g)=PC13 (g) Write the equilibrium constant for this reaction in terms of the equilibrium constants, K₁ and K₂, for the reactions below: 20 E D F3 P(s) +5/2C1₂ (9) PC15 (9) K₁ PCls (g) + Cl₂ (g) =PC15 (9) K₂ For answers with both a subscript and a superscript, enter the subscript first. For example, enter K2 If the first equilibrium constant should be squared. K = C Submit Answer $ 4 988 R F Show Hint % 5 Retry Entire Group 9 more group attempts remaining V Cengage Learning Cengage Technical Support FS T G A 6 MacBook Air B Y H & 7 U N * 0 * 8 J ► 11 FB ( M 9 T 1 K f O O H F10 L A P A command SAVAGE X FENT Next> Save and Exit F12 #1 A ? alt option dele