Calculate the entropy change of the universe (J/mol-K) when the entropy change of the system is 38.4 J/mol-K and the surroundings releases 13.72 kJ of heat at 57.99 °C

Q: 2. Find the pH of a solution prepared by dissolving 12.43 g of tris (MW = 121.135 g/ mol) with 4.67…

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Q: Among the term symbols 4S1,2D7/2,3S1,and D5/2 choose the option(s) possible in the LS coupling…

A: The term symbol representation is as shown below:   according to this, if we check option A) 4S1 and…

Q: Which isomer(s) of 2-bromo-1,1,3-trimethylcyclohexane would be most reactive in an E2 elimination?…

A: For E2 elimination reaction, compound should have beta hydrogen anti periplanar position with…

Q: 23. R Dextromethorphan HBr Guaifenesin syrup ad Sig. 3i q.i.d. a.c. & h.s. How many grams of…

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Q: The equilibrium constant, Kc, for the following reaction is 77.5 at 600 K. CO(g) + Cl₂(g) =COCI₂(g)…

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Q: "The dissolving of NH4NO3 is used in chemical cold packs. If 33.7 g NH4NO3 is dissolved in 88.9 mL…

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Q: HO НО. OH H pos HO Na₂Cr₂O7 H₂SO4 CrO3 H₂SO4 PCC Na₂Cr₂O7 H₂SO4 1. DMSO, (COCI) 2 2. Et3N

A: In oxidation alcohol convert into carbonyl compounds and carboxylic acid

Q: The lattice constant of the unit cell of alpha-iron ( has a bcc structure) is 0.287nm. The number of…

A: Given that;

Q: MeO₂C CO₂Me 1. Reagents 2. Reaction Conditions 3. Mechanism CH3 O OH

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Q: Determine the molal concentration of NaCl solution in water that has a freezing point of -2.1 degree…

A: Recall the data, Kf for water=1.86 °Cm Freezing point of solution=-2.1°C Molal concentration of…

Q: Consider the acid-base nature of sodium nitrite, NaNO2, when it is dissolved in water. (1) What are…

A: The given solution of compound =  NaNO2  When it is dissolved in water : NaNO2 (aq) + H2O (l) ==>…

Q: QUESTION 28 The lattice constant of the unit cell of a-iron (has a bcc structure) is 0.287 nm. The…

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Q: Synthesis (continued): For the final synthesis question, you need to complete the desires…

A: sodium amide deprotonate the spC-H bond followed by treating (CH3)3CCH2Br leads to disubstituted…

Q: What happens when you put 1 tablespoon of oil in water? What happens when you drop soap into the…

A: Result of these activities is based on like dissolved like. Molecules having same behaviour i.e.…

Q: What is the half-life for a reaction with a rate constant k of 0.0045s-1?

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Q: What volume, in milliliters, of 0.180 M NaOH should be added to a 0.140 L solution of 0.029 M…

A: Given, Concentration of NaOH = 0.180 M Volume of glycine hydrochloride = 0.140 L Concentration of…

Q: a) b) c) q CH3 -CH3 r + Cl₂, water solvent + Br₂, water solvent + Br₂, water solvent

A: AS PER ANSWERING GUIDELINES I WILL ANSWER ONLY THE FIRST THREE PART,IF YOU WANT THE REST POST THEM…

Q: 10. H C 11. 12. HC -C=CH HgSO, H2SO4 2Cl so, H2SO4 0ºС H3C. SO₂H H C ОН CH3 од H,C. SO,Na H3C CH3…

A: AS PER ANSWERING GUIDELINES I WILL ANSWER 3 QUESTION FROM THE SUBPART(10,11,12) IF YOU WANT THE REST…

Q: The "air bags" that are currently installed in automobiles to prevent injuries in the event of a…

A: The given reaction :  2NaN3(s) → 2Na(s) + 3N2(g) Temperature of system = 25°C = 298 K (0°C = 273 K)…

Q: Chemistry Why was acetanilide not transferred to the aqueous layer in any of the extractions

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Q: Name two INHERENT possible sources of error and how they could theoretically have impacted PERCENT…

A: Inherent errors are caused by  uncontrollable variables, which can not be defined/eliminated. they…

Q: Credit) Use the References to access important values if needed for this question. t 25 °C of an…

A: Here the pH of aqueous solution of NaCN is 11.15 at 25°C. We have to determine concentration of CN-1…

Q: 21) What type of a chemical reaction where two compounds exchange their ions to form two new…

A: We have been given four types of the chemical reactions and we have been asked to choose the type of…

Q: Explain why olive oil won't dissolve in water but an ionic compound like potassium iodide (KI)…

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Q: Question 5 % How many grams of CaCl2 are produced if 2.5 mol of HCI are reacted according to this…

A: Number of moles is calculated by dividing the given mass with molecular mass. In the given question,…

Q: از m) es OH CH 3 Br I X J он 2CH3 + HBr + Nal OH

A: The answer to the following question is-

Q: A lake has been acidified to a pH of 4.138. If the lake has a volume of 1.87x105 cubic meters, what…

A: given pH= 4.138 volume = 1.87*10^5 cubic meters than pH =7

Q: 2. Indicate whether the solution to each of the following problems requires a qualitative analysis,…

A: Quantitative analysis: It is the analysis of the substance that mainly deals with the determination…

Q: A student is running An experiment in which 35.5 grand of Na2SO4 is needed, but the only jar of…

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Q: ammonium oxalate+barium hydroxide net ionic equation

A: Net ionic equation is th equation which shows only those ions which are involved in the reaction and…

Q: 1- Give the solubility class and the possible types of compounds for the solubilities listed below.…

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Q: What is the net ionic equation for the reaction of acetic acid, CH3CO2h, with NH3?

A: Here, we have to write the net ionic equation for the reaction of acetic acid, CH3CO2H, with NH3.

Q: 2) Name, or draw the struce of (part a) three the following 4 molecules of A) Br B) c) Junk Br Br OH…

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Q: 3. Potassium metal and water react to form potassium hydroxide and hydrogen gas. If you react 1.12 g…

A: Dear student since you have posted multiple parts question We will solve first three parts for you…

Q: A 1.325 g sample of an unknown vapor occupies 368 mL at 114 °C and 946 mmHg. The simplest formula of…

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Q: whats the base and acid of this reaction  CsF + SF4 → Cs+[SF5]–

A: A lewis acid accepts the electron pair and a lewis base donates the electron pair.

Q: Calculate the predicted 13C chemical shifts for styrene.

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Q: Consider the molecular orbital model for these diatomic species: 0₂ O₂+ 0₂ Fill in the correct…

A: Given,  O2  O2+  O2-  We have to draw the above molecules MO

Q: CI est H 1. NaBH4, CH3OH 2. HCI, H₂O 1. NaBH4 (0.25 eq.), CH3OH 2. HCI, H₂O 1. NaBH4, CH3OH 2. HCI,…

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Q: d) + KMnO4, KOH, cold

A: we have to draw the product formed in the given reaction of alkene

Q: Give the major organic product(s) or required reactants/reagents for the reactions shown below. All…

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Q: This sketch of a neutral molecule is shaded red or blue wherever the electrostatic potential at the…

A: Here, we have to find the chemical formula of the substance that is represented by the image.

Q: Draw the Lewis Dot Diagrams for each element below: K N FL Mg Ar C S AI

A: Some elements are given : K, F, Ar, S, N, Mg, C, Al   Lewis Dot diagram of these element are to be…

Q: estion 1 Calculate the number of atoms in 10 grams of Na b What is the percentage of iron formation…

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Q: If no solid adipic acid is obtained after cooling for recrystallization, what would be a possible…

A: We have been given that  there is a problem that no solid adipic acid is obtained, after cooling for…

Q: 8) Which one of the following compounds is both a Brønsted-Lowry acid and base? CH3OH CH3COCH 3 H₂O…

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Q: Elements found on the left side of the periodic table contains outer shells that are ____; These…

A: Elements found on the left side of the periodic table  are alkali and alkaline earth metals. they…

Q: 2. Use the data on the left side of Table 1 to perform the calculations necessary to complete the…

A: “Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: Which ion below has a noble gas electron configuration? A) Lit B) C²+ C) N- D) F²--

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Q: The activation energy for the gas phase isomerization of cyclopropane is 272 kJ. (CH₂) 3- The rate…

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