orgo postlab 2

G.204.

Consider the reaction: 2 NH3(g) N₂(g) + 3H₂(g). At T = 740 K, the equilibrium constant Kc for this reaction is Kc = 10. What is the correct form of the equilibrium constant Kc for this reaction? (A) Kc = [N₂] [H₂]³ (B) Kc (C) Kc = (D) Kc = (E) Kc - 2[NH3] [N₂]+3 [H₂] [N₂] +3 [H₂] 2[NH3] 2 [NH3] [N₂] [H₂] ³ 13 [N₂] [H₂] ³ [NH3]²

Calculate the value of the equilibrium constant, Ke, for the reaction Q(g) + X(g) 2M(g) + N(g) given that M(g) Z(g) 6R(g) 2N(g) + 4 Z(g) 3 X(g) + 3Q(g) =9R(g) Kc = Ke1 = 3.01 Ke2 = 0.504 K3 = 14.3 4

Calculate the value of the equilibrium constant, Ke, for the reaction Q(g) + X(g) 2 M(g) + N(g) given that Ke = M(g) = Z(g) 6R(g) = 2N(g) + 4 Z(g) 3 X(g) + 3 Q(g) = 9R(g) .116 Kel = 3.57 Kc2 = 0.524 Kc3 = 14.6

Please explain to me in detail!

Kc = 0.193 at 45 degrees Celsius for the reaction: Cycloheptane <--> Methylcyclohexane. What must be the initial concentration of cycloheptane for it to have an equilibrium concentration of 0.10 M?

8 Reactions between certain organic (alkyl) halides and water produce alcohols. Consider the overall reaction for t-butyl bromide (2-bromo-2-methylpropane). (CH3)3CBr(aq) + H2O(1) →(CH3)3COH(aq) + H*(aq) + Br "(ag) k[(CH3)3CB1]. The accepted mechanism for the The experimental rate law is rate = %3D reaction is shown below. (1) (CH3)3C-Br(aq) →(CH3)3C*(aq) + Br "(aq) [slow] (2) (CH3)3C*(aq) + H2O(1) →(CH3)3C-OH2*(aq) [fast] (3) (CH3)3C-OH2*(aq) →H*(aq) + (CH3)3C-OH(aq) [fast] a) Why doesn't H2O appear in the rate law? b) Write rate laws for the elementary steps. c) What intermediates appear in the mechanism? d) Show that the mechanism is consistent with the experimental rate law. ed to the of consumption of N

Ff.278.

Consider the following equilibrium reaction:                                                          2 CH3OH + CH2O ⇌CH2(OCH3)2+ H2O                          ΔH = + 46 indicate the direction that the equilibrium will shift when the following changes are made.(No states are provided because the solvent for the reaction is not water, so aq for aqueous would not be appropriate.) (a)Concentration of CH3OH increases (b)H2O is removed from the reaction (c)Reaction is heated

Construct the expression for Kc for the following reaction. Question 8 of 35 [H0] CH,COOH(aq) + H₂O (1) CH,COO (aq) + H₂O'(aq) Drag the tiles into the numerator or denominator to form the expression. Each reaction participant must be represented by one tile. Do not combine terms. Kc = 2[H₂01 [H,0⁰ [H,01 2[H,0² 2[H,0] [CH₂COO] 2(CH,COO] (CH,COOP 2[CH,COO [CH,COOH] 2(CH,COOH] [CH,COOH!" 2[CH,COOH!" 2[H,01¹ RESET [H₂O]"

See image below. Can you please show me how to solve this problem?

Trimethylamine, (CH3)3N, is a common reagent. It interacts readily with diborane gas, B₂H6. The latter dissociates to BH3 and this forms a complex with the amine, (CH3)3N→BH3. The reaction between trimethylamine and borane is shown. CH3 CH3 H CH3-N : + B-H CH3-N B-H CH3 H CH3 H Is the BH3 fragment a Lewis acid or a Lewis base? To decide this, answer the following questions: H a Which of the following is a definition of a Lewis acid? proton donor electron pair acceptor proton acceptor electron pair donor

Give detailed Solution with explanation (no need Handwritten answer

Calculate the value of the equilibrium constant, Kc, for the reaction Q(g) + X(g) 2 M(g) + N(g) given that Kc = M(g) = Z(g) 6R(g) — 2N(g) + 4 Z(g) 3 X(g) + 3 Q(g) = 9R(g) Kc1 = 3.01 Kc2 = 0.433 Kc3 = 12.5

Hw.29.

3. In the following reaction, acetic acid and ethanol react together to form ethyl ethanoate and water. Use the following concentrations under equilibrium to calculate the equilibrium constant, K. CH,COOH (I) + CH,CH,OH (1) = CH,COOC,H¿(1) + H,O (1) Species Concentration (mol dm) CH;CH,OH 0.30 CH;COOH 0.13 H,0 0.39 CH,COOC,H; 0.39

Please don't provide handwriting solution

A,Hº 4,Sº Compound 4,Gº ΗΝΟΣ HNO3 N₂O4 H₂O AgH° (101) mol -76.73 -134.31 Use this table of values to calculate the values listed below for the reaction, HNO₂ + HNO3 → N₂O4 + H₂O 9.08 -241.83 J 5° (mol-K) 249.41 266.39 304.38 188.84

1

11.(a) 10.06 cm3 of the stock 0.100 mol dm–3 solution of NaOH was required to fully neutralise 49.5 mg of a diprotic acid (H2A). Write a balanced equation for this reaction and hence determine the molar mass (Mr) of the acid.                                                                                                                 (b) Determine the pH of 0.100 mol dm–3 NaOH at 298 K [pKw = 14.0].

Be sure to answer all parts. Determine Angas for each of the following reactions: (a) MgCO3(s) →→→ MgO(s) + CO₂(g) mol (b) 2 H₂(g) + O₂(g) → 2 H₂O() mol (c) HNO3(1) + CIF(g) → CIONO₂(g) + HF(g) mol

Industrial chemistry: Provide reaction conditions for the following transformations in the C2 (ethylene) stream.

O-H H CH,OH (b) CH2 CH, NH, H--0=C (b) 0-H-- (a) CH, CH, CH, CH H-C CH, (CH.)4–NH, CH, CH, |(d) (a) CH, (d) (c) CH, CH, HC CH CH, CH,COOH (b) [The image above is from a different textbook. Ask me later if you would like to know the reference.] The image above depicts protein tertiary structure. What type of tertiary structure is represented by the letter (d) in the image? O hydrogen bonding 3 of these 4 responses are correct. O disulfide linkage O hydrophobic interaction salt bridge

Complete the two acid dissociation reactions for the ethylenediammonium ion and select the correct symbol for the equilibrium constant for each reaction. Step 1: NHẸCH,CH,NH(aq) — What is the symbol for the equilibrium contant for step 1? O Kb2 O Ka2 Ο Και Kbl Step 2: NH₂CH₂CH₂NH3(aq) = What is the symbol for the equilibrium constant for step 2?

(a) Suppose that CaO is added as an impurity to Li2O. If the Ca2+ substitutes for Li+ , what kind of vacancies would you expect to form? How many of these vacancies are created for every Ca2+ added? (b) Suppose that CaO is added as an impurity to CaCl2 . If the O2– substitutes for Cl– , what kind of vacancies would you expect to form? How many of these vacancies are created for every O2– added?

For each chemical reaction listed in the table below, decide whether the highlighted atom is being oxidized or reduced. reaction CO(g)+ H₂O(g) → CO₂(g)+ H₂(g) Na₂CO3(s)+H3PO4(aq) → Na₂HPO4(aq) + CO₂(g) + H₂O(1) highlighted atom is being... oxidized reduced O neither oxidized nor reduced 圖∈ Ar

Suppose the reaction system UO2 (s) + 4 HF (g) ↔ UF4 (g) + 2H2O (g) has already reached equilibrium.  Predict the effect that each of the following changes will have on the equilibrium position.  Tell whether the equilibrium will shift to the right, shift to the left, or will not be affected. Additional UO2 (s) is added to the system. The reaction is performed in a glass reaction vessel; HF (g) attacks and reacts with glass. Water vapor (H2O (g)) is removed.

Provide the major organic products for the following

M11.

Benzene is one of the compounds used as octane enhancers in unleaded gasoline. It is manufactured by the catalytic conversion of acetylene to benzene: 3C2H2 (8) C6H6 (8). Which value of Kwould make this reaction most useful commercially? K 0.01, K1, or K 10. Explain your answer.