If 120 mL of a 10% stock solution is diluted to 240 mL, the final concentration of the solution is ______ %.   Express answer in 2 decimal places.

Q: Indicate what will happen when the following organic solvent is mixed with water: toluene OA.…

A: When two immiscible liquid is mixed, then it forms two layer.  The liquid with lower density forms…

Q: A 6.00 L tank at 14.5 °C is filled with 10.2 g of sulfur tetrafluoride gas and 5.04 g of carbon…

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Q: A peak elutes from an HPLC column 17.4 cm in length in 11.4 min. What would be the width at…

A: Width at half- height is given as follows, W122=5.55 tr2NW12→width at half-heighttr→retention…

Q: Consider the resonance structures for the oxalate anion below. What is the average formal charge on…

A: Formal charge: The formal charge (FC) is the charge assigned to an atom in a molecule, assuming that…

Q: What is the approximate pKa of the weak acid being titrated in the titration curve shown below 4.22…

A: pKa can be determined from the curve of pH vs volume of titrant.

Q: For the reaction H₂S(g) + 2H₂O(1)→ 3H2(g) + SO2(g) AH = 295 kJ and AS = 295 J/K The equilibrium…

A: Given : Delta H° = 295 kJ and Delta S° = 295 J/K Temperature = 337 K

Q: For each molecule shown (1) indicate the most acidic hydrogens. (2) Draw the major resonance…

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Q: An analytical chemist is titrating 123.0 mL of a 0.1500M solution of dimethylamine ((CH3)₂NH) with a…

A: Dimethyl amine is a base , so when a solution is acid , HNO3 is added, they will react to form salt…

Q: For each of the following pairs of substances, which substance has the greater value of Sº? a.…

A: This question is based on the concept of Entropy  We have to select the substance which has greater…

Q: Chemistry How many kinds of chemically non-equivalent hydrogens are there in each of the following…

A: In the 1H NMR protons present in different environments are called chemically non equivalent protons…

Q: A student dissolves 6.3 g of glucose (C6H₁2O6) in 400. mL of a solvent with a density of 1.03 g/mL.…

A: Answer:- This question is answered by using the simple concept of calculation of molarity and…

Q: Liquid octane (CH₂(CH₂) CH₂) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide…

A: Given : mass of octane = 75.4 g         Mass of oxygen= 73.9 g  Percent yield = ( actual…

Q: Macmillan Learning Consider the two-step mechanism for the destruction of ozone. step 1: 0₂(g) +…

A: Chemical equilibrium is defined as the stage at which both reactant and product are in equilibrium.…

Q: A What is the molarity when 31.50 grams of potassium chloride is added to water to make a 1.25 L…

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Q: Given the following balanced chemical reaction: CO (g) + 2 H₂ (g) CH3OH (g). Determine the value of…

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Q: Compound C (1.1 g, F.W. 100) reacted with compound D (3.0 g, F.W. 300) to yield compound A (2.4 g,…

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Q: H₂S(g) + 2 H₂O(1) 3 H₂(g) + SO₂(g) Using the standard thermodynamic data in the tables linked above,…

A: The given balanced chemical reaction is  H2S (g) + 2 H2O (l) →3H2 (g) + SO2 (g)  The equilibrium…

Q: In example ssuch as iron (III) chloride and zinc (I) phosphate When is a roman numeral necessary to…

A: this question is based on Naming of Ionic compounds

Q: 1. Calculate the molarity of 0.060 moles NaHCO3 in 2500. mL of solution.…

A: • Thus, the molarity of 0.060 moles of NaHCO3 in 2500. mL of solution is 0.024 M in correct number…

Q: A 24.84 mL aliquot of weak acid that has a concentration of 0.58 M will be titrated with 0.32 M…

A: pH of weak acid titrated with strong base can be determined using Henderson hasselbalch equation.

Q: What mass of ammonium sulfate, (NH4)2SO4 must be added to prepare 400.0 g of a 7.0% solution of…

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Q: What is the name of the following molecule? OH OH 1,6-dihydroxybenzene O 1,2-dihydroxyphenyl O O…

A: This is a benzene derivative with two -OH(hydroxy) groups.

Q: RCO 3H ar 110

A: Alkene on Reaction with peracid that is RCO3H gives epoxide either from above or below the plane, as…

Q: What are the signs of AH, AS, and AG for the spontaneous conversion of a crystalline solid into a…

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Q: One step in the refining of titanium metal is the reaction of FeTiO3 with chlorine gas and carbon.…

A: In a balanced chemical equation, the number of atoms of elements on both sides of the equation must…

Q: Which of the following compounds is consistent with the ¹H NMR spectrum shown below? 7 1H dd (A) 1H…

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Q: According to valance bond theory, select which orbitals overlap to form a bond in the following…

A: Wr will write electronic configuration first and then answer the question.

Q: If a 24 g sample of a nonelectrolyte is dissolved in 156 g of water, the resulting solution will…

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Q: A 25.00 liter container holds hydrogen bromide gas (HBr) at a temperature of 24.0ºC. The pressure in…

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Q: Identify the value of x (mass number of Q) to complete the balanced nuclear equation for the…

A: The given nuclear reaction is----- 239A96 + 12C6 -------> xQ102 + 4 1n0 For this nuclear…

Q: In this experiment you will use 5.20 g of Ph3P+CH2CO2Et Br–. How many millimoles is this?

A: From the mass of substance mmoles can be calculated.

Q: Suppose you have 237 g of hot water at 100°C and you add 250 g of ice at -18.0°C. If all of the ice…

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Q: What is the IUPAC name of the following substance? CH₂C=CCH3 Use the References to access ir

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Q: 9) When D-glucose cylclizes to its alpha pyranose form, how many axial hydrogens does it have? a) 3…

A: Draw the D-glucopyranose in chair form to find the number of axial hydrogens

Q: Which of the following salts is most likely to form an aqueous solution having the pH shown in the…

A: The concept used in this question is from Acids and bases. According to the question Given pH of…

Q: In example ssuch as iron (III) chloride and zinc (I) phosphate (A) What information does the value…

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Q: What types of elements are contained in group 14? Metal, metalloid, nonmetal Metals only Nonmetals…

A: Group 14 contains Carbon, Silicon , Germanium, Tin and Lead.

Q: Use the References to access important values if needed for this question. Use standard reduction…

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Q: ОН -CO2H OH NO₂

A: Step by step mechanism given below

Q: If calcium carbonate pellets are partially decomposed using 0.0588 moles of hydrochloric acid in the…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: Indicate what will happen when the following organic solvent is mixed with water: methylene chloride…

A: Density of CH2Cl2 (organic layer) = 1.33 g/mL  Density of H2O (aqueous layer) = 1.00 g/mL

Q: What is the protective coating that helps some metals react slowly with air? passivation oxidation…

A: What is the protective coating that helps some metals react slowly with air?

Q: mercury(II) oxide(s) → mercury (1) + oxygen (g) Volume = L

A: Pressure = 1 atm  Temperature = 25°C

Q: a) b) Br OH EtOH H* 1) Mg/ether 2) O 3) H₂O H3C- H FPPh 3 DIBAL-H PCC CH₂Cl₂ H₂SO4

A: Note: According to our guidelines we are supposed to answer only first three subparts.kindly repost…

Q: Combustion of hydrocarbons such as butane (C4H₁0) produces carbon dioxide, a "greenhouse gas."…

A: The given problem is based on the combustion of butane to form carbon dioxide and water.

Q: what would be the correct answer? Mirror image 6. Consider the reaction below where B and C are…

A: Use the enantiomeric excess formula

Q: A galvanic cell at a temperature of 25.0 °C is powered by the following redox reaction: 2VO₂ (aq)…

A: we have to calculate the cell voltage

Q: The reaction below has a Kc value of 88.2. If A and B each have an initial concentration of 0.689 M,…

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Q: A What is the mass percent of potassium chloride when 9.35 grams of potassium chloride is mixed into…

A: Given : mass of KCl = 9.35 g               Mass of water = 162.98 g

Q: 1. AGAH-T AS = IF (AG°<0, "spontaneous", "non-spontaneous") Q1) At what temperature does the…

A: ∆Go = ∆Ho - T∆So A reaction is  spontaneous if ∆Go is negative. ∆Go depends on Enthalpy change and…