91. 10ml sample of diluted phosphoric acid consumed 35ml of 1.002N NaOH to produce a thymophthalein endpoint. If the indicator blank is 0.7ml, what is the %w/v of H3PO4 (98g/mole) 9

Q: Explain why alkenes undergo electrophilic addition reactions and alkanes do not. Use Butane,…

A: Given,  Explain why alkenes undergo electrophilic addition reactions and alkanes do not. Use Butane,…

Q: which strains apply to this molecule? bond angle, steric, torsional

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Q: 3. List the types of intermolecular forces that exist between the following molecules: H Н Н Н Н Н )…

A: Intermolecular acting force depends upon the type of atoms present in structure of molecule.

Q: Which is true about starch versus cellulose? They have different properties because their building…

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Q: Suppose you have an h-orbital. What is the smallest value n could be for an h-orbital?

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Q: eight of dry precipitate otained upon the treatment of 10 L solution of calcium loride having…

A: Given that -  ppm Concentration of Calcium Chloride CaCl2 = 1000 ppm  Volume of this Solution = 10 L…

Q: Hypochlorous acid, HOCl , is used in water treatment and as a disinfectant in swimming pools. A…

A: Given the initial concentration of HOCl = 0.150 M  pH of 0.150 M HOCl = 4.18

Q: Which of the following molecules is best described as a single-stranded nucleic acid? ORNA O Lipid…

A: Nucleic Acid : It is a longer chain of molecules which is made up of smaller called nucleotides.It…

Q: The reaction of cesium with chlorine is similar to that of sodium with chlorine. Write the balanced…

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Q: When selenium (atomic number 34 on the periodic chart) becomes an ion, with which atom does the ion…

A: Selenium has an atomic number of 34 . We have to find out an atom which is isoelectronic with…

Q: 1. HS (aq) + H₂O(g) ←➜ S²¯(aq) + H₂O*(aq) Write a rate law for the reaction given the reaction is…

A: First we need to determine overall order of the reaction.

Q: Match the reaction to the reaction type. Some answers may be used more than once or not at all.…

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Q: 11) What is the major product of the following reaction? CH3 OH OH H₂SO4 heat 12) Draw all likely…

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Q: Q. A sugar solution was prepared by as 10.0 g/100 ml, has a measured rotation of +35° in a 4.5 cm…

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Q: Predict the product for the following reaction based on the given conditions. HO H₂O

A: This can be considered as keto-enol tautomerism as shown below.

Q: QUESTION 12 Rank the fatty acids in order of increasing melting point: 1) CH 3(CH 2) 16COOH 2) CH…

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Q: QUESTI Which statement below is true? O Lipids have only polar regions. O Lipids have only nonpolar…

A: Question 5 Lipids form a heterogenous groups of organic compounds which are widely distributed in…

Q: Which of the following molecules is consistent with the given IR spectrum? 100 TRANSMITTANCE D O O O…

A: IR spectroscopy is used to determine functional group.

Q: Using only the periodic table arrange the following elements in order of increasing ionization…

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Q: Which of the following is not a feature of an anodic coating If pores, breaks or discontinuities…

A: A question based on electrochemical cells that is to be accomplished.

Q: Electrochemical cell potentials can be used to determine equilibrium constants. What would be the…

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Q: Express the quantity 254934 m in each of the following. Tm Express your answer using six significant…

A: Convert quantity 254934 m in each of the Tm (terameter). This question is related to conversion of…

Q: You are given two compounds, dimethylamine (CH3)2NH and ethanamide, CH3CONH2. a) b) c) Which…

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Q: Chromium an Nickel metals in stainless

A: 1. Chromium metal effects on human body:   Hexavalent chromium complexes can be irritate the nose,…

Q: 19. Calculate the oxidation state of the underlined element: BaSO4 19

A: Oxidation state is defined as total number of electrons that an atom either gain or loss in order to…

Q: Glucose(C6H1206) reacts with oxygen gas to produce gaseous carbon dioxide and water vapor Glucose:…

A: Number of atom of each elements on the reactant side should be equal to the number of atom each…

Q: Which of the following compounds is the greatest oxidizing agent using the standard reduction…

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Q: How many grams of zinc must be added to a 100-milliliter solution of 6.00 M HCl(aq) to produce 219…

A: Here, we have to calculate the mass of zinc that must be added to a 100-milliliter solution of 6.00…

Q: 5.66×1020 H2O2H2O2 molecules Express your answer using three significant figures.         mm =…

A:

Q: What are the polarities of CH₂Cl2 and CF₂Cl₂? + t O Both are nonpolar. O Both are polar. O CH₂Cl₂ is…

A: In chemistry, the polarity of molecule is decided by the net dipole moment of the molecule in the…

Q: Using a sheet of paper, draw the products obtained in each of the following reactions. When…

A: Given

Q: 19. Calculate the oxidation state of the underlined element: BaSO4

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Q: How many valence electrons are in one oxalate ion, C₂04²-? O 34 valence electrons O 32 valence…

A: The total number of electrons present in theoutermost valence shell is known as valence electrons.

Q: 1. Identify which of the following pairs of amino acid residues can have hydrogen bonding between…

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Q: How many protons and neutrons are present in an atom of 45/21A5Sc

A: The above is isotope of Scandium.

Q: Which is true regarding amino acids? This describes a specific molecule with both amine and…

A: The question is which is true regarding the amino acids. There are four options regarding the…

Q: 3. Give the appropriate absorption following isomers to distinguish the compounds. (5 marks) 0…

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Q: An endothermic forward reaction will favor a shift to the right, allowing a decrease in the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Express the quantity 254934 m in each of the following. dm Express your answer using six significant…

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Q: Use the following Lewis diagram for acetic acid to answer the questions: H :0: H+ 1 2 H Remember…

A: Here we have to predict the geometry and bond angle of acetic acid at the indicated atoms.

Q: Which is true about the 2 compounds in the picture below? CH₂OH CH2OH ОН ОН O OH ОН ОН They are the…

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Q: How many bonds and lone pairs are in one molecule of hydrazine, N₂H4?

A: Given molecule : Hydrazine, molecular formula = N2H4

Q: Determine whether each reactant gains or loses electrons to form an ionic compound. 2 K(s) + S(s) ->…

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Q: 26. Exactly 30.2Nml of HCI was consumed in the titration of 1.6g of primary standard sodium…

A: Answer: Concentration of a compound is find out by using mole concept and concentration terms, viz:…

Q: a.Draw the Lewis structure for CH33CBr22CH33 b.Draw out the full mechanism to convert the following…

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Q: The reaction below is endothermic from left to right. How would each of the following changes, when…

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Q: Where lines cross in a Fischer Projection, what exists? a H atom an O atom a Catom no atoms

A: In this question, we will see which atom present in the line cross in a fischer projection.  You can…

Q: Which statement below is true? OA. Saturated fats have more trans double bonds than cis double…

A: We are given three questions from the topic of biomolecules. However I am supposed to answer only…

Q: Energy required when going from second excited to third excited rotational energy levels equals: a.…

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Q: A mixture consisting of 1.000 mol H2O(g) and 1.000 mol CO(g) is placed ina reaction vessel of volume…

A: Using the relationship of Kp and Kc, value of Kp can be determined.