A 0.8040 g sample of an iron ore is dissolved in acid. The iron is then reduced to Fe²+ and titrated with 47.22 ml of 0.02242 M KMnO4 solution. Calculate the results of this analysis in terms of (a) %Fe (MW = 55.845) and (b) %Fe3O4 (MW = 231.535). Consider the reaction 5 Fe²+ + MnO4 +8H+ → 5Fe³+ + Mn²+ + 4H₂O

Q: If you were told the average weight of a chickadee is 1.5gm, does that mean all chickadees are 1.5gm…

A:

Q: 18. 19. 20. a. b. C. d. a. b. C. What is the major product of the following reaction? Br Br T T H H…

A:

Q: and electrons are shown on the atom in question. If partial positive, enter A in the blank If none,…

A: Charge gets developed on an atom when it is bonded to an atom of different electronegativity.

Q: Can anyone spectrum of help with characterizing this IR Acetylferrocene? We may have

A: Acetyleferrocene is a compund formed by the acetylation of ferrocene followed by the addition of…

Q: Draw the product of the substitution reaction shown below. Ignore the inorganic byproducts.

A:

Q: The reaction of the alkyne 2-butyne with hydrogen gas and Lindlar's catalyst a. butane b.…

A:

Q: Tube 1     Tube 2    Tube 3 Mn initial oxidation state: +7           +7            +7 Mn final…

A: Given,  The number of electrons gain by Mn in  Tube 1      Tube 2     and Tube 3  is:

Q: Answer the following questions about the reaction represented above at 298 K. B I U x² X₂ 3 (a)…

A: Recall the given reaction,                               2 NO g  +  O2 g  →  2 NO2 g…

Q: Ammonia gas decomposes to produce nitrogen gas and hydrogen gas. Calculate the concentration of…

A:

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

A: Introduction :- We can always multiply or divide measurements having same unit or different units.…

Q: Identify each of the following species either a tewis acid or a lewis as base. CN, FeCl3 and (CH₂),…

A: Lewis acid accepts lone pair due to deficiency in electrons whereas Lewis base donates lone pair due…

Q: Chemistry Question

A:

Q: In the blank given, indicate if the absolute stereochemistry of each chiral carbon is R or S. Br S…

A:

Q: What is the equilibrium concentration for the product (P) in the reaction   R  --->  P if the…

A: At equilibrium rate of forward reaction becomes equal to rate of backward reaction.

Q: OH Stereoisomers are isomers that differ in spatial arrangement of atoms, rather than connectivity…

A: we have to determine the relation between the given structures

Q: Choose the most stable structure. + 5

A: The above given structures are chair conformation of dimethyl decalin. Decalin can exist in two…

Q: Are the combustion reactions of oxygen exothermic or endothermic? Support that answer with the…

A: A question based on chemical thermodynamics that is to be accomplished.

Q: fromass 2)Give the correct stoichiometry/equivalence of the reaction (2 molecules per 1 molecule of…

A:

Q: Draw 2 additional resonance structures for the below structure. Of the 3 structures (including this…

A:

Q: Carbonic anhydrase of erythrocytes (M, 30,000) has one of the highest turnover numbers known. It…

A:

Q: Draw the product of the E2 reaction shown below. Ignore any inorganic byproducts. NaOH Draw the E2…

A:

Q: When limestone (solid CaCO₂) is heated, it decomposes into lime (solid CaO) and carbon dioxide gas.…

A: Here we have to determine Kp of the following given equilibrium reaction of decomposition of CaCO3.

Q: Match each enzyme with the correct substrate. Enzyme Substrate lactose maltose fumarate lactate…

A: Enzyme reaction with substrate are as follow.

Q: What is the basic idea behind the Soxhlet Extraction when it comes to determining the amount of…

A: The basic idea behind Soxhlet extraction is 'like dissolves like'. For example organic compounds can…

Q: Match each enzyme class to the type of reactions catalyzed. Enzyme Class 1000 Type of Reactions…

A: In the question, it is asked to match the enzyme with its functions that is the kind of reaction…

Q: Calculate the pH of a solution of 6.5 x 109 mol of Ca(OH)2 in 10.0 L of water. Ksp(Ca(OH)₂) = 6.5 x…

A:

Q: Fe diastereomers a of the same point group b Fe

A: conformation means any one of the infinite number of possible spatial arrangements of atoms in a…

Q: Molecule: Benzocaine Is the product easiest to identify by GC, TLC, IR, or NMR? Explain.

A: Given that, the molecule is benzocaine. We have to tell by which process the molecule is easily…

Q: Use the interactive to observe the temperature change that results from burning various fuels in a…

A: Given data: Heat capacity of bomb calorimeter = 9.96 kJ/ °C Initial temperature = 20 °C Final…

Q: Fats are the predominant forms of a class of biological molecules called which also includes fatty…

A: We have to fill the blanks with the appropriate answer.

Q: (iv) Bu (v) McOH, 50 °C McO McOH, 50 °C 2

A:

Q: Draw the major product of the substitution reaction shown below. Ignore any inorganic byproducts.…

A:

Q: 3. Name each of these compounds (including isomer prefixes) and identify the functional groups…

A: Here we have to write IUPAC name and functional group present in the following given compounds.

Q: 1. Determination of Degrees of Unsaturation from Empirical Formula 15 2. Correlation of IR Bands…

A: Introduction Solving this question we need knowledge of IR spectroscopy, NMR spectroscopy, structure…

Q: What is the IUPAC name of the following molecule? a E O 3-ethyl-4-sec-hexyl-hexan-3-ol O…

A:

Q: Predict the major organic product of the following reactions or provide the reagents needed To…

A: I have given the answer in the explanation section. Hope you will understand that.

Q: 2. Limonene is a compound found in orange oil and lemon oil. When limonene is treated with excess…

A: The primary ingredient in citrus fruit peel oil is limonene, a colourless liquid aliphatic…

Q: What is the mass of calcium (in grams) that can be recovered?

A: moles of Ca5OH(PO4)3(s) obtained at the end of the reaction = 0.06 mmol * 10-3 mol1 mmol= 6.00*10-5…

Q: Substance A is a liquid at room temperature, dissolves substance B, and the resulting solution can…

A: Answer: For the conduction of electricity in solution presence of free ions is required.

Q: Use the following data to determine delta G for . C2H4(g) + H2(g) → C2H6(g) Given: [AGfᵒ(C2H6(g)) =…

A:

Q: Part A: Calculate the vapor pressure of water above a solution prepared by dissolving 27.5 g of…

A:

Q: QUESTION 14 Which of the following reagents would be needed to complete the reaction below? ? CHINH2…

A: We have to predict the correct reagents for given transformation.

Q: A researcher studying the nutritional value of a new candy places a 6.40 g sample of the candy…

A:

Q: THE Y-INTER In K# -10749 -27 -35.0 -35.2 -35.4 -35.6 -35.8 -36.0 -36.2 THE WING GRAPH IS: 974 NOT…

A: Given -> Equation: lnK# = -10749/T - 27

Q: Draw an alkyl halide that would undergo an SN2 reaction to yield this product under the conditions…

A: -> In SN2 Reaction nucleophile direct attack at center where leaving group present and substitute…

Q: When allyl bromide is refluxed with magnesium metal in ether solvent, the product formed is…

A: At first grignard reagent is formed, and it become nucleophilic, so further attack in allyl bromide…

Q: A sodium hydroxide solution is to be standardized using KHP (99.5% purity, MW = 204.22). A 1.500-g…

A:

Q: [Review Topics] The functional groups in an organic compound can frequently be deduced from Its…

A: Given: IR bands at 3450 cm-1, 1725 cm-1 and 1100 cm-1.

Q: In the boxes below, enter the LETTER for the reagents needed in each step to complete the following…

A: Here we are required to find the reagent needed for the following conversion of reactant to product…

Q: Starting with reactants and products at 1M, a reaction with which of the following conditions will…

A: