orgo postlab 2

13. In which of the following organic solvents do you expect methane (CH4) to be most soluble? The structure of glucose is shown on the right. (a) (b) (d) Η Η Η Η Η TIT H=C=C=C=C=C-H | Η Η Η Η Η Η Η Η Η Η TI H=C=C=C=C=C-OH TI Η Η Η Η Η Η Η Η Η Η ||||| HO-C-C-C-C-C-OH Η Η Η Η Η Η Η Η Η TIT H=C=C=C=C=C-Cl | Η Η Η Η Η Η Η

11c

Write down the common (not IUPAC) names of the organic molecules that would be released if this molecule were hydrolyzed: CH₂ O CH CH,−O || 0 (CH₂)14-CH3 (CH₂)4 -CH=CH-CH₂-CH=CH-CH₂-CH=CH-(CH₂)4 -(CH₂) 16 - CH3 Separate each name with a comma. You will find useful information in the ALEKS Data resource. a × Y - CH3 Ś

Explain the step-by-step calculation of the HESS law in the picture.

Calculate a value for the equilibrium constant for the reaction (6)*O = (6)0 + (6) ²0 given hv NO2 (9) NO(g) + O(g) K = 2.3 x 10-49 O3 (9) + NO(9) = NO,(g) + O2(9) K = 8.4 x 10-34 (Hint: When reactions are added together, the equilibrium expressions are multiplied.) K =

construct the expression for Kc for the following reaction 3H2(g)+6C(s)=C6H6(g)

4.(a) Aqueous 50.5 % (w/w) sodium hydroxide has a density of 1.53 g cm–3. Calculate the concentration of this solution in mol dm–3.                                                                             (b) What volume of 50.5 % (w/w) aqueous sodium hydroxide is required to prepare 500 cm3 of 0.100 mol dm–3 stock NaOH? [Start with your answer to 4(a)]

Which "K" below quantifies the extent of the following reaction? 2H20(1) → H3O* + OH¯ O Kb O Kw O KE O Ksp O Ka

Determine the boiling point of CS2, in °C, from the following data:    CS2(g)  CS2(l) ΔHf° / (kJ mol–1) 115.3 87.9 S° / (J mol–1 K–1) 237.8 151.0 Answer Options: 258 -14 116 78 43

Construct the expression for Kc for the following reaction. FeO(s) + H,(g) = Fe(s) + H,O(g) 1 Drag the tiles into the numerator or denominator to form the expression. Ke SRESET [FeO] 2[FeO] [FeO]? [H] 2[H] [HJP [Fe] 2[Fe] [Fe]? [H.O] 2[H,O] [H,O? II

What is the accepted value for the Ksp of Ca(OH)2, including the conditions for its determination?

Can you show me how to solve this or

Question Type: Application. This question is related to material presented in Board 36.6. The structure of three different molecules is shown below. Note that each has a common "benzene" ring of six carbon atoms, but each has a different number of substituent OH (alcohol) groups, ranging from 0 to 2. H H || C H | с 1 H benzene H H H H C || C H I C= 1 H benzenol H H H Second most soluble in water: [Select] H || H 1 H catechol Least soluble in water (most hydrophobic): [Select ] H Rank these three molecules in terms of their relative solubility in water based on their respective chemical structures. Most soluble in water (most hydrophilic): [Select] H

(4) Find the AH for the reaction below, given the following reactions and subsequent AH values: CO₂(g) → C(s) + O₂(g) H₂O(1)→ H₂(g)+ ½ O₂(g) C₂H.(g) 2 C(s) + 3H₂(g) 2 CO₂(g) + 3 H₂O(1)→ C₂H(g) + ¹/₂O₂(g) 1 ΔΗ = 643 kJ ΔΗ = 190,6 kJ AH=3511.1 kJ

We want to find the enthalpy change (ΔHΔH) for the reaction: 2CH4->C2H6+H2 Given the following reactions: H2+1/2O2→H2O (Given ΔH=−285.8 kJ CH4→2O2->CO2​+2H2​O (Given ΔH=−890.3 kJ C2H6+7/2O2→2CO2+3H2O (Given ΔH=−1559.9 kJ

Which of the following substances is likely to have the largest pK,? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. Benzoic acid (K, = 6.3 x 105) Formic acid (Ka= 1.8 x 10) Nitrous acid (K=7.1x 10) Phenol (Ka = 1.0 x 10 1) Pyruvic acid (K= 2.8 x 10) e

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

Acetic acid, CH3 COOH, is a weak organic acid, pK a 4.47. Determine the position of the equilibrium for the reaction of acetic acid with NaHCO3, and draw the species that predominate at equilibrium. • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. •Separate structures with + signs from the drop-down menu. • Draw cations and anions in separate sketchers. Do not include metal counter-ions, e.g., Nat, in your answer. 0- ● [... / ? ChemDoodle Ⓡ Y Sn [F

For the following organic reaction identify the mystery reactant R, its stoichiometric coefficient N, and any other substance X that must be present. CH3 CH₂ =C-C-CH=CH₂ || CH₂ Chemical formula of R: Stoichiometric coefficient N: + NR Must any other substance X be present? X CH3 | CH3 CH–CH–CH2–CH3 T CH3 If you said an additional substance X must be present, enter its chemical symbol or formula: 0 yes no 90 X 5

Hello, can answer the question and could you please write out the full chemical reaction and the state of matter for each compound.  Benzoic acid, HC7H5O2, and its salts are used as food preservatives. Ka for benzoic acid is6,3 x 10–5. A solution of sodium benzoate, NaC7H5O2, in water has a concentration of0,015 mol.dm–3. (a) What is the equilibrium concentration of benzoic acid in the sodium benzoatesolution?

Benzene-toluene equilibrium is often approximated as αBT = 2.34. Generate the y-x diagram for this relative volatility.  Also, generate the equilibrium data using Raoult’s law, and compare your results to these.

9-3. Find the enthalpy change for this reaction using the data below. Clearly show how you got the answer. 2 Al(s) + 3 Ch (g) →2 AICI, (s) Data: (a) 2 Al(s) + 6 HCI(aq) 2 AICI;(aq) + 3 H2(g) AH = - 1049 kJ (b) AICH(s) AlCl3(aq) AH = -323 kJ (c) H2(g) + C2(g) 2 HCl(g) AH = - 185 kJ (d) HCl(aq) HCKG) AH = +74.8 kJ

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?

MARCA 108. Using the following data, calculate the standard heat of forma- tion of ICI(g) in kJ/mol: → 2C1(g) 21(g) Cl,(3) AH° 242.3 kJ AH° 151.0 kJ ICI(g) → I(g) + C1(g) AH° = 211.3 kJ I,(s) AH° = 62.8 kJ >

Construct the expression for Kc for the following reaction. CO(g) + 2 H2(g) = CH3OH(g) 1 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.

For each of the following pairs or reactions, which is correctly labeled as having the larger equilibrium constant. There may be more than one correct answer. CHон рКа %3D15.5 CHCH2OH pKa =15.9 NH, pKa =9.4 CH;NH pKa =10.7 CH CH OH + NH3 CH OH + NH3 CH;CH20 + NH," CHO + NH, larger Kea CH:CH,OH + CH NH2 CH,CHO + CHNH, larger Keg CH3CH2OH + NH3 CH3CH 0 + NH Туре: MС QUESTION 9 CH-CH3 Name the compound. HC-CH-CH-CH-CH CH CH2CH3 O 2-ethyl-3-propylpentane 4-ethyl-3-methylheptane O 2,3-diethylhexane Save A Click Save and Submit to save and submit. Click Save All Answers to save all answers.