For all items, observe the number of significant figures. 1) Determine the molar mass of an unknown compound if the solution formed when 3.28 g of the compound dissolves in 100.0 g of benzene boils at 80.9° C.

Q: Find the pH of a solution produced by the reaction of 250mL 0.1 M NaOH and 150mL 0.03 M acetic…

A: PH of the solution can be calculated as follows

Q: In the set of acids, H3PO4 and H3PO3, and HClO2 and HIO2, H3PO4 and HClO2 are the stronger acids,…

A: Given: The sets of acids are H3PO4 & H3PO3 and HClO2 & HIO2. And the stronger acids are…

Q: How can you tell if a certain reaction shows an increase in entropy? a) If the reactant is in…

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Q: Assuming 100% dissociation, calculate the freezing point (T) and boiling point (7) of 2.03 m K, PO,…

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Q: 3- calculate the number of ( 0 ) atom in 1.5 g of glucose (C,H12O6).

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Q: (b) An organic compound (A), having MF C,H12O reduces Fehling solution and Tollens reagent. The…

A: Compound A reduces the Tollens reagent. Therefore compound is a aldehyde. Therefore the compound is…

Q: 0.28 M LiOH [H+] [OH-] PH POH

A: pH power of hydrogen is the numerical measurement of acidity and alkanity of the solution. pH + pOH…

Q: 12. Provide two synthetic routes for heptanoic acid from hexanoic acid and any other necessary…

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Q: A 0.315g sample of gas in a 400. mL container exerts a pressure of 0.51 ATM at 42 degree C. What is…

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Q: Which of the following compounds undergoes Hofmann degradation? A. В. CN NH2 C. D. NHCH, E. none of…

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Q: Draw the products of the two step reaction sequence shown below. Ignore inorganic byproducts. mCPBA…

A: In presence of mCPBA , epoxidation reaction is carried out.

Q: Litmus paper is commonly used to determine if a solution is acidic or basic. Which of the following…

A: To identify: Correct statement about litmus paper.

Q: B. What is the electron-pair geometry for As in AsF5? There are lone pair(s) around the central…

A: Formula for determining the hybridization of central atom :-  x= (V+M-C+A)/2  V = valence electrons…

Q: 60. Identify the type of each compound based on the function group it contains. Structure Functional…

A: Functional groups in organic chemistry

Q: Aluminum metal reacts with chlorine with a display of sparks: 2 Al(s)  +  3 Cl2(g)  ➜  2 AlCl3(s)…

A: In the given reaction, 2 Al(s) + 3 Cl2 (g) ➜ 2 AlCl3 (s) ΔH = –1408 kJ

Q: n the notation: H+│H2││Co2+│Co, Co2+(aq) + 2e- → Co(s) is the oxidation potential.     True

A: Given : We have to tell whether the statement is true or false.

Q: What is the oxidation state of iron in the following compound Ka[F (CN)&J? +2 +3 +1

A: K3[Fe(CN)6]

Q: Consider the following compound: Ga Cl32 (OR Ga C13 2 minus) What is the overall shape (including…

A: Formula for determining the hybridization of central atom :-  x= (V+M-C+A)/2  V = valence electrons…

Q: a. R = k[A][B] b. R = k[A]³[B] c. R = k[A][B]² d. R = k[A]³[B]?

A:

Q: What quantity of moles of H,SO. are required to completely react with 7.20 mol of Al according to…

A: Given Number of moles of Al = 7.20 mol 2Al(s) + 3H2SO4(aq)--------> Al2(SO4)3(aq) +3H2(g)

Q: Calculate AH for the production of 0.440 mol of AgCl by this reaction. Express your answer in…

A: Given : We have to calculate enthalpy for the reactions.

Q: at would be the major product in the following reaction? Cl2 -CH,CH,CH3 400 °C ect one: a. -CH;CHCH3…

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Q: Problem 5.25 - Enhanced - with Feedback Part A Part B Calculate AE, if a system releases 66.5 kJ of…

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Q: 2AI(s) + Fe2O3(s) → Al,O3(s) + 2Fe(s) -> AH = -847 kJ Railroad maintenance initiates the reaction of…

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Q: What is the purpose of adding charcoal in toothpaste formulation? Is it approved by American Dental…

A: Toothpaste is used to clean the teeth. Most of the toothpaste uses compounds that clean the tooth…

Q: CI Br CI CI Br

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Q: (a) The Mossbauer spectrum of Na4[Fe(CN)6] consists of a single line, while that of Na[Fe(CN),(NO)]…

A: Given that, the Mossbauer spectrum of Na4[Fe(CN)6] consists of a single line, whereas that of…

Q: This compound is expected to be insoluble in 10% NaOH. Select one: Oa. OH b. HO "OH Od. HO Grignard…

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Q: 1. Which of the following amino acids is used in protein synthesis? H2N-CH-C-OH (a)…

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Q: Bob the baker ran out of yeast for his bread dough so he used baking soda as an alternative. He was…

A: We need to find out which reaction has a lower activation energy.

Q: For each of the following balanced oxidation-reduction reactions,(ii) state the total number of…

A: Redox reaction: A redox reaction can be defined as a chemical reaction in which electrons are…

Q: Find the acid and base and the conjugate acid and base? 1.NaH2PO4+F- ——-> NaHPO4+HF

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Q: ) The reaction is balanced in this equation: 6Sn2+ + 4VO43- + 32H+ → 6Sn4+ + 4V2+ + 16H2O.     True…

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Q: (d) What are metastable peaks? Mass spectrum of toluene exhibits two strong peaks at m/e =91 and…

A: metastable ions nothing but ions which are having sufficient energy to fragment after leaving the…

Q: CI -Br CI Br CI

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Q: What is the energy of a mole of photons that have a wavelength of 745 nm?

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Q: (e) Sketch "P-NMR spectrum of HPF, (at -20°C) considering Jp.F > Jp.H and explain.

A: here we are required to sketch the NMR spectrum of HPF2 at -200C

Q: The standard reduction potential of A is 2.5 V and that of B is -0.63 V thus A reduced by B.…

A: In electrochemistry, the standard reduction electrode potential is defined as the measure of the…

Q: Rank F, Cl, and Br in order of increasing first ionization energy.           F < Cl < Br Cl < Br <…

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Q: In the ideal gas experiment, a student used dilute HCI instead of 6.0 M HCI. As a result, a small…

A: Given: Dilute HCl was used instead of 6.0 M HCl leading to a small amount of Mg ribbon unreacted.

Q: Stoichiometry question: Please show all steps/work. If 10.0 g of aluminum chloride are decomposed,…

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Q: Analyze and calculate the percentage of nickel in a 1.201 grams sample of nickel ore which was…

A: Ni2+(aq) reacts with CN-(aq) through the reaction below: Ni2+(aq) + 4CN-(aq) (Excess)   ----&gt;…

Q: ) + SO42-(aq) → PbS

A: Given : We have to tell whether the statement is true or false.

Q: Describe the characteristics of a neutralization reaction, how it is identified, and types of…

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Q: What is the mole fraction of ethanol of an aqueous solution that is 20% ethanol?

A: Given : Ethanol = 20%

Q: What is the major product? CH 3, KOH

A: Given,  Predict the major product of the reaction = ?

Q: Calculate the moles of ammonia present in a 4.389 g sample of ammonia, which has a molar mass of…

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Q: What is the average molecular weight, MW, of a polymer if 50.0 mL of a solution that contains 1.45 g…

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Q: : O: O Yes. O No, it has the wrong number of valence electrons. The correct number is: 0 O No, it…

A: Given,