What is the theoretical concentration of a standard solution prepared by 2.50 g of NaOH (MW=40.00 g/mol) dissolved into water to a final volume of 250.0 mL?

Q: Why does the concept of colligative properties apply only to dilute solutions? Eugenol is the active…

A: 1. Answer. : Colligative properties are properties of solutions that depend on the number of…

Q: OH 2 HCI D. 1. Na C CH (еxcess) E. 2. H,0* F. H.

A: D. Ketal formation. E. Acetylide addition to keto FG. F. Ester FG to aldehyde FG using DIBAL. 2 a.…

Q: Serine esterase contains a catalytic triad at its active site. Which amino acid in serine esterase…

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Q: What quantity of moles of C are formed upon complete reaction of 2 mol of B according to the generic…

A: Given ;-  A + 2 B → C  Number of moles of B reacts = 2 mol  To calculate :-  Number of moles of C…

Q: For the overall chemical reaction shown below, which one of the following statements can be rightly…

A: Rate law :-  The equation which shows the dependence of rate of reaction on concentration of…

Q: Which of the following is a 3-ring aromatic molecule? Anthracene  quinoline indole purine

A: Which of the following is a 3-ring aromatic molecule?

Q: Which of the following 0.05 M aqueous solutions will have the highest boiling point?     Potassium…

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Q: 2 Propose preparative routes to the following polymers or prepolymers from monomers. Give monomer…

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Q: Give a clear handwritten answer...

A: Here we have to write mechanism of the following reactions.

Q: Consider the following decay serles: a b b 214 d 218 214 214 210 Pb Po Pb 82 84 83 Which type of…

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Q: the

A: According to the question, we need to determine which of the following electrochemical methods…

Q: 5. What volume will 400. mL of SO3 at 0°C and 760 mm Hg occupy at 110. °C when the pressure remains…

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Q: 13.77 When a lead storage battery is recharged by a current of 12.0 A for 15 minutes, what mass of…

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Q: How many Calories (nutritional Calories) does 16.4670 pounds of fat have? Show dimensional analysis,…

A: 1 pound of fat =  3500 calories

Q: For the following reaction, AP(C6H14VAt was found to be -6.2 x 10-3 atm/s. COHA(@) → C6H6(g) +…

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Q: Adenoie osphate (ATP) SAdnyionine SAM) What is the role of each reactant in the reaction above? What…

A: Question is that, what is the role of the reactant.? 1. In the first step reaction, triphosphate…

Q: Use Hess's Law to calculate the enthalpy for this reaction: 4SO3(g)→4S(s) + 602(g) AH°rxn = ??? kJ…

A: Given, a) SO2(g) ➝ S(s) + O2(g)   ∆H° = +296.8 kJ b) 2SO2(g) + O2(g) ➝ 2SO3(g)  ∆H° = -197.8 kJ…

Q: 26. Given the following reaction, what volume of oxygen would be needed to react with 250. grams of…

A: Moles of propane = 250 g / 44.1 g mol-1 =5.6689 mol 1 mol of propane = 5 mol of O2 5.6689 mol…

Q: Based on the graph, what is the estimated number of theoretical plates of the fractional…

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Q: H. H. H3N C CH2 CH2 H. CH,CH,SCH; CH(CH3)2 OH HC Z ーエ

A: Note : The tripeptide is hydrolyzed to corresponding monomers (see below).

Q: This refers to a point wherein both liquid phases have the same composition. Hence, extraction is…

A: Plait Point is defined as the intersection of raffinate-phase and extract-phase boundary curves. At…

Q: A first-order reaction is 40.0% complete at the end of 39.1 minutes. What is the value of the rate…

A: Given reaction is 40% completed hence remaining concentration is 60%

Q: C. Questions and Problems. Answer the following. 1. Write a rate expression for the disappearance of…

A: Rate law :-  The equation or expression which gives the relationship between rate of reaction and…

Q: NO2 N. CH3 CH3 CH3 H3C

A: 13 C NMR spectroscopy is the application of NMR spectroscopy to carbon . 1H NMR spectroscopy is the…

Q: Which of the following is the phase diagram of water-nicotine system?       C     B     E…

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Q: Give IUPAC names for the following compounds: H2C=CHC=CCH=CH2 (а) CH2CH3 CH3 H2C=HCC=HCC=CCH=ÇC=CH2…

A: We would use IUPAC nomenclature rules. For this first write numbering of carbon atoms and determine…

Q: A standard solution is a solution of accurately known concentration. What is a standard solution for…

A: Titration is the qualitative method to determine the concentration of unknown solution by adding the…

Q: 5. Consider the following half-reactions: F,(g) + 2 e Cu2*(aq) + 2 e Sn2*(aq) + 2 e → AР' (aq) + 3 e…

A: Which of the above elements or ions will oxidize Sn(s)?

Q: Considering perfect gases, which state function is zero when two substances are mixed? Entropy Gibbs…

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Q: A 0.01M solution of carbonic acid dissociates into 0.000066 moles HCO3- /L at equilibrium. What is…

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Q: Griven Sme buthor Satution in ohich of चप® +otue ववTभ t वट च्यृ०ण्d जिपलिक हमहकगा ? हरावाक O-19 m…

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Q: 35. Does the following equation rep C-H H-C-OH HO-C-H Н-С-ОН H-C-OH CH,OH Glucose

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Q: ag) + 2 e - Mnes) E--1.18 V + 2e 2 CI (ag) E° - 1.36 V ) + 2 e - Ca(s) E--2.85V - 2 e - 2 F (aq) E-…

A: In electrolysis,   Anions move towards anode and anion which have lower reduction potential is get…

Q: Which of the following phase diagrams corresponds to a system wherein the upper critical temperature…

A: The phase diagram corresponds to a system wherein the upper critical temperature is less the boiling…

Q: 7. Calculate AG° for the following galvanic cell Zn(s) | Zn²*(aq) || Fo2*(aq) IFe(s) given these…

A: The standard electrode potential of a Galvanic cell is given by the formula  E° = E°(cathode) -…

Q: For the overall chemical reaction shown below, which one of the following statements can be rightly…

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Q: The student plotted the experimental kinetics data  as 1/[A] versus time and obtained a straight…

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Q: In relation to the "primary structure" or "released structure" in the flexibility (force) method:…

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Q: Imagine that you have 4 buckets full of dark, muddy water. One bucket is frozen, one bucket is…

A: The bucket which is most likely to become lighter in color is

Q: The nuclide 93Np239 decays by emission of a negative electron. The daughter nucleus will have an…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: The half-life decreases with time for the reaction aA =>bB , which is:  a)zero order in A b)first…

A: Half life of second order reaction is inversely proportional to initial concentration

Q: 6. Prove that the Is and 2p, orbitals for the H atom are orthogonal. [Remember: when checking if two…

A: Here we are required to prove that the wave function 1s and 2pz of H atom are orthogonal

Q: When the following reaction is ot equilbrium, which of these relationships is always true? 2 Ogig) -…

A: Answer: Given balanced chemical equation is shown below: 2O3(g)↔3O2(g)   It means, 2 mole ozone is…

Q: 3. The first excited state of Ca is reached by absorption of 422.7 nm light. What is the between the…

A: Wavelength = 422.7 nm = 422.7 × 10-9 m  ( 1 nm = 1 × 10-9 m)

Q: Initial Post: For your initial post, describe how you personally experience acid/base chemistry in…

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Q: 15. A voltaic cell utilizes the following reaction: 4Fe2+(aq)+O2(g)+4H+(aq)→4Fe3+(aq)+2H2O(l) THE…

A: Given that, a voltaic cell reaction is 4Fe2+(aq) + O2(g) + 4H+(aq) →4Fe3+(aq) + 2H2O(l). The…

Q: Balance the following equation 2 cuci(aq) + H;S(g) - - Cu,S(s) + a. How many moles of copper(1)…

A: Recall the reaction, CuCl + H2S ------> Cu2S + HCl  Molar mass of Cu2S = 159.16 g mol-1 Molar…

Q: For the reaction PCI3(g) + Cl2(g) S PCI5(g) at a particular temperature, Kc = 24.3. Suppose a system…

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Q: Concerning the rate law, Rate - K(AJB), what are appropriate units for the rate constant ki Multiple…

A: • The given rate law of reaction is,               Rate = k[A][B]  where, [A] and [B] are the…

Q: 1. Assign oxidation states for all atoms in each of the following compounds. a. (NH4)2HPO4 b. P4O6…

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".