HA Ha 14

Q: 4. Assign oxidation numbers to all elements in the following, balance the equation and calculate the...

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Q: Methanol(CH3OH) has a melting point of -96.7°C and a boiling point of 64.7°C. Its heat of fusion and...

A: We are provided different physical data for methanol.

Q: is a pure substance which can not be broken down into simpler substances. Select one: Element O Matt...

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Q: Name the alkenes below. wireframe labels H H.

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Q: Which of the following is a second chain propagation step in the free radical chlorination of ethane...

A: CH3CH3 + Cl2 ---hv----->    1. Imitation reaction -  Cl2 ---hv---> Cl•  2. Chain propagation -...

Q: Calculate the heat needed (in kJ) for 15 g of glycerol to reach 95°C from 25°C. The specific heat of...

A: Consider the given information is as follows; Mass of glycerol = 15 g Initial temperature T1= 25°C F...

Q: One day, when the temperature and pressure were 300 K and 760 mm Hg, a mass of gas had a volume of 1...

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Q: Calculate the number of protons, neutrons and electrons in: 119 40 122 59 120 58 30 Sn Ar Те 52 Cu C...

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Q: 1. Write the complete reaction for the redox couple in the following alkaline batteries where Zn is ...

A: Electrochemistry and electrochemical cell.

Q: According to the balanced reaction below, calculate the quantity of moles of NH₃ gas that form when ...

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Q: Which is the reduction product of ethyl 3-oxobutanoate with NaBH4 in methanol? (select the correct i...

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Q: 3. Draw the Lewis structures and determine the geometry shapes and polarity (polar or non-polar) of ...

A: Lewis’s structure:Lewis's structure is based on the octet rule. The Lewis structure is a simplified ...

Q: You are working in my lab. I ask you to make 0.250 L of H3PO4 (density is 1.651 g/cm³). I give you s...

A: Note: Phosphorus triiodide (PI3) actually reacts with water (H2O) to form phosphorous acid, H3PO3 wh...

Q: Sodium metal crystallizes in the BCC structure with the edge length of unit cell 4.29 x 10 -8 cm. Ca...

A: Radius of Na metal : 186 pm 

Q: The zinc in a 1.199 g sample of a foot powder was precipitated as ZNNH,PO4. Strong heating of the pr...

A: Given :  Mass of foot powder = 1.199 g  Mass of Zn2P2O7 produced = 0.4089 g 

Q: The preparation of the given compound below from acetylene and any other organic and inorganic reage...

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Q: но the following compound is a major product of

A: In the given question, we have to provide the product of the reaction.

Q: What are the Ions present in: 1) (NH4)2CO3 2) Zn(OH)2 3)Ba(NO3)2 4) PbS 5) Zn2(PO4)3 6) Hg2I2 7) PbS...

A:   We have to predict the ions present  in the following  ionic compounds  1) (NH4)2CO3 2) Zn(OH)2 3)...

Q: What is the degrees of freedom for the formulation: "Beeswax + Glycerin + Methyl paraben

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts (on deg...

Q: Question 20 a) OH H,C HO, b) H.C HO, c) H.C OEt d) OH OH HC OEt OH H.C OEt OH

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Q: Please explain the difference between saturated and unsaturated fats. What state do they usually exi...

A: Fat molecule is a type of lipid that consists of three fatty acid molecules connected to three carbo...

Q: The following product is expected from the reaction of 3-heptyne with sodium metal in liquid ammonia...

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Q: major product

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Q: is a pure substance which can not be broken down into simpler substances. Select one: O Matter O Com...

A: Pure substances are classified into two groups that are, elements and compounds.

Q: 1. 2-bromobutane + cyclohexanol + NaH à (major product) c. 2-butoxycyclohexane a.. 2-butene b. 1-but...

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Q: Question 19 Catalyst H + HN´ which is an intermediate in the following|

A: When Cyclohexanone is treated with secondary amine , it gives iminium ion with an acid or proton , a...

Q: type of reactions

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Q: Pelargondin

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Q: Zaitsev's rule: states " The alkene formed in greatest amount is the one that corresponds to OA...

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Q: The SN2 reaction can be best carried out with   A. Primary alkyl halide B. Secondary alkyl halide ...

A: The SN2 reaction can be best carried out with --

Q: Helium gas is stored in a steel cylinder with a volume of 100 L at 20 C. The pressure gauge on the c...

A: Consider the given information is as follows; Initial volume V1 = 100 L Initial pressure P1 = 25 atm...

Q: What is happening to the iridium in this reaction ? Ir(CO3)2 + Fe → Ir + Fe(CO3)3 A. oxidation B. re...

A: Oxidation is loss of electrons. Reduction is gain of electron.   

Q: ed to Question 9 1) Hg(OAc), H,O 2) NABH,/OH

A: The reaction mentioned in the question  is a example of synthesis of alcohols from unsaturated hydro...

Q: 23. The formula for methyl ethanoate is which of the follow ing? c. a. H,C-C-O-CH,-CH3 H3CCH2-C CH3 ...

A: Carboxylic acid reacts with alcohol to form an ester. The formation of the ester is given by:

Q: For the Lewis electron dot formula for lanthanum sulfite, La2(SO3)3 , there are ___Regions of Electr...

A: Lanthanum sulfite , La2(SO3)3 is made up of 2 La3+  and 3 SO32- . 

Q: 12. 1,2-dibromobutane + 2 eq NaNH, / THF then H,SO, / water with heating à a. 1-butene b. 2-butanol ...

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Q: e net ionic equation

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Q: A sample of a compund made entirely from copper and oxygen was founf to have a total mass of 0.1431g...

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Q: In analysis of an aluminum-zinc alloy, vapor pressure of water from table 1 is 19.827 mm Hg, mass of...

A: According to question, Vapor pressure of water = 19.827 mm Hg, mass of alloy sample = 0.1442g, mass ...

Q: Molecular Total # valence electrons Molecular Geometry Name Lewis Structure Fomula HCOS (C is centra...

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Q: Calculate the pH of a 0.05 M solution of iodic acid. Ka for iodic acid = 0.17

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Q: A. Empirical Formula of Magnesium Oxide 1. Mass of crucible plus magnesium 25.748 2. Mass of crucibl...

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Q: Is the reaction a redox reaction; "yes" or "no"

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Q: The half-life of 32P is 14.3 days. You count a sample containing 32P and obtain 32,450 cpms. You add...

A: Radioactivity refers to spontaneous disintegration of a substance on itself. The radioactivity of a ...

Q: 40. Which of the follow ing compounds can exist as geometric isomers? CH 2Cl2. CH CI-CH,CI. CH2CI-CH...

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Q: For each compound, 1. name the functional group. 2 show what compound(s) result from complete hydrol...

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Q: Calculate the ratio of ethyl amine (CH3CH2NH2) to the ethyl ammonium ion (CH3CH2NH3+) in a solution ...

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Q: The preparation of the given compound below from acetylene and any other organic and inorganic reage...

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Q: Isotopes can be used in studies of metabolic pathways because Their half-like sulfur allows a resear...

A: Radioctive isotopes which includes isotopes of sulfur , carbon   , deuterium  atom Location or quant...

Q: Which is the reduction product of ethyl 3-oxobutanoate with NaBH4 in methanol? (select the correct i...

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Vitamins and Coenzymes

A class of organic compounds needed in the human body for normal activities is known as vitamins. They are characterized into two parts depending upon their solubility in water. They can act as coenzymes, cofactors, or prosthetic groups for enzymes.