Create a WORD PROBLEM about Hess's Law. Show solution.

Q: 4. What is the osmotic pressure of a 0.0522M solution of C 12H22011 at 55 °C? A. 1.1 atm B. 1.4 atm ...

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Q: For answers to calculations, use the correct number of significant figures. The percentage of sodium...

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Q: What is the pH of a 0.20 M NaBrO2 solution? Ka for HBRO2 =1.2 x 10 O 11.39 O 3.45 O 9.11 O 8.76 O 2....

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Q: The acid dissociation constant K, of acetic acid (HCH,Co,) is 1.8 x 10. D. Calculate the pH of a 0.5...

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Q: Part A How many grams of CaC, are formed when 15.00 mL of 0.00237 M Ca(OH), reacts with excess Cl, g...

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Q: Question 3 What is the reaction order for the decomposition of p-toluenesulfinic acid? 3 CH3C6H4SO2H...

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Q: A 371-mL sample of 0.165 M MgBr, solution is prepared in a large flask. A 87.1- mL portion of the so...

A: Given, the initial concentration of MgBr2 = 0.165 M The volume of the sample of MgBr2 = 371 mL The v...

Q: Ketones and aldehydes react with sodium acetylide (the sodium salt of acetylene) to give alcohols, a...

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Q: Concentration Initial Final Volume Mass percent of acetic acid of Heinz volume Volume(mL) (mL) of in...

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Q: HW÷4 1. Give the major product(s) or starting material/reagents of the following reactions as needed...

A: 1. Alkene with Br2 gives cyclic bromonium ion intermediate. Methanol as nucleophile attacks from mor...

Q: ich heat energy is

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Q: 2. Assign the R or S configuration to each chiral center in the molecules below. CH2CH,Br CH3 .CO2H ...

A: Every chiral center has specific configuration R or S .  

Q: Find value of rate constant....

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Q: When mixed in equal molar amounts, which of the following pairs of substances would create a buffer?...

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Q: here was a hd, new temperature hat woud be graphed in green and would display the effect of a greate...

A: 1.) We would first plot  a curve , which would be plotted for even higher temperature than ' Higher ...

Q: Calculate (H,O*] for a 5.19 x 10-3 M HBr solution. [H,O*) = Calculate (H,O*] for a 1.60 x 10-2 M KOH...

A: Hydrogen bromide is a strong acid and the strong acid dissociates completely in an aqueous solution.

Q: Which change to an equilibrium modure of this reaction results in the formationaf more HS The decomp...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: Place 2.4 grams of sulfanilic monohydrate in a 125 ml Erlenmayer flask and dissolve it in 25 ml of 2...

A: Experiment: Place 2.4 grams of sulfanilic monohydrate in a 125 ml Erlenmayer flask and dissolve it i...

Q: Part A Place the following elements in order of decreasing atomic size: silicon, nitrogen, helium, p...

A: Atomic radius: The distance between the nucleus and the outermost electron is known as the atomic ra...

Q: Consider the following system at equilibrium where AH° = 16.1 kJ, and Ke = 6.50x10-3, at 298 K. %3D ...

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Q: 6. Indicate if the followings are paramagnetic or diamagnetic Cu* Zn Mo*2

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question fo...

Q: urned in excess oxygen, how many grams of H;

A: The balanced chemical reaction,  C5H12 + 8O2 -----> 5CO2 + 6H2O Molar mass of pentane = 72 g/mol ...

Q: What are the formal charges of the resonance structure :C=S:=S::

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Q: Which of the following redox reactions will occur according to activity series? Cu(s) + 2HCl(aq) ? ...

A: Which of the following redox reactions will occur according to activity series?

Q: Calculate the volume in milliliters of a 0.174M potassium dichromate solution that contains 75.0 mmo...

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Q: What is the net ionic equation for the following molecular equation? Hydrocyanic acid, HCN, is a mol...

A: The net ionic equation is

Q: 2.Would 20 mL of your 1:1 (acetic acid: sodium acetate) solution prepared in Part B be able to buffe...

A: Buffer Capacity  is a measure of how effectively a solution resists changes in pH when strong acid o...

Q: he conjugate acid c

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Q: Hexamethylenediamine (C6H16N2) is one of the starting materials for the production of nylon. It can ...

A: Adipic acid reacts with ammonia and hydrogen to form hexamethylenediamine and water. The equation fo...

Q: A 12.0 gram of sample of Cr2(SO4)3 contains how many sulfur atoms?

A: Given data : Mass of Cr2(SO4)3 = 12.0 g Molar mass of Cr2(SO4)3 = 392.16 g/mol

Q: An aqueous sodium chloride solution is electrolyzed using a current of 4.42 A. How much time (min) i...

A: An aqueous sodium chloride solution is electrolyzed using a current of 4.42 A. How much time (min) i...

Q: (a) Differentiate the stretching frequencies of CO between two isomers of Co(CO);Cl2(PPh3) in their ...

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Q: Consider an experiment in which you react 5.00 g each of magnesium chloride and silver nitrate in aq...

A: In balanced chemical equation number of atoms of each species are equal on both reactant and product...

Q: iodine tribromide Express your answer as a chemical formula.

A: Given-> Iodine tribromide   

Q: Calculate either [H,0*] or [OH-] for each of the solutions. Solution A: [OH"] = 1.79 x 10-7 M; [H,O*...

A: Calculate the given solution and describe its nature ---

Q: Determine the molarity of a solution with a volume of 402. mL and 0.690 mol of solute dissolved.

A: Given :-  no.of moles of solute = 0.690 mol  volume of solution = 402. mL  To calculate :-  molarity...

Q: 2. How many grams of PtBr4 are needed to react completely with 54.8 g of LINO3? LINO3 -> LIBR Pt(NO3...

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Q: [References] It has been determined that the body can generate 5500 kJ of energy during one hour of ...

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Q: What is the name of the organic product created when hex-3-ene is reacted with water in the presence...

A: Hydration of alkene: Alkene gives hydration reactions in presence of an acid catalyst. The reaction ...

Q: 2. A solution may contain any of the three group I cations. A white precipitate is formed upon the a...

A: Group I cations, Pb2+, Ag+, and Hg22+ are precipitated as chlorides on the addition of HCl.

Q: 9. Calculate [OH-] and pH for (a) 1.5 X 10-3 M Sr(OH)2 (b) 2.250g of LiOH in 250.0 mL of solution ...

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Q: Consider the titration of 50.0 ml. of 0.350 M NH3 (K, 1.74x10 5) with 100 mM HCI. What will the pH b...

A: Since you have posted multiple questions, as per our company guidelines we are supposed to answer on...

Q: In the electrolysis of an acid solution, oxygen can be produced by the following half-reaction: 2H20...

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Q: 11. The conducting loop in Fig- ure Q25.11 is moving into the region between the magnetic poles show...

A: Concepts and Reasons :The concepts needed to solve this problem are the force of charge in a magneti...

Q: Find the mass of sufur in the original mixture

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Q: In the titration of HF with NaOH, which species are present at the equivalence point? HF, NaOH, and ...

A: Titration of HF with NaOH   

Q: Using molarity to find solute mass and soluu Calculate the volume in milliliters of a 1.90 mol/L iro...

A: Molarity is a concentration term for a solution. The molarity of a given solution is defined as the ...

Q: A volume of 500.0 mL of 0.110 M NaOH is added to 525 mL of 0.250 M weak acid (K, = 2.53 × 10–5). Wha...

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Q: he following alkyl halide can be prepared by HBr addition to two different alkenes that are constitu...

A: The given molecule is alkyl bromide.    

Q: `III IV A) >V>II>IV>III B) IV>II>I>V>III C) II>I>V>III>IV D) IV>I>V>II>III E) IV>II>V>I>III

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