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What is the molecular weight of chloroform ?

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Question What is the molecular weight of chloroform ?

1.) A carboxylic acid is named in the IUPAC system

Question 1.) A carboxylic acid is named in the IUPAC system by replacing the -e in the name of the parent alkane withSelect one:a. -oic acid.b. -oic.c. -carboxylic acid.d. acid.e. -oate.2.) Which of these structures represents a soap?Select one:a. CH3CO2- K b. CH3(CH2)14CO2- Na c. CH3(CH2)12COOHd. CH3(CH2)7CO2(CH2)7Nae. More than one of the compounds above is a soap.3.) A thiol is a sulfur analogue of an alcohol, formed by replacing the oxygen by sulfur.Select one:TrueFalse

1.) Is CH3 style=”background-color:rgb(217,237,247);color:rgb(0,0,0);”>-CH2-O-CH2-CH3— 1- propanol, propanol, diethyl ketone or

Question 1.) Is CH3 style=”background-color:rgb(217,237,247);color:rgb(0,0,0);”>-CH2-O-CH2-CH3— 1- propanol, propanol, diethyl ketone or 3-pentanone, diethyl ether? Is CH3-CH2-CH2-OH—- 1-propanol, propanol, diethyl ketone or 3-pentanone, diethyl ether?Is CH3-CH2-CO-CH2-CH3—- 1-propanol, propanol, diethyl ketone or 3-pentanone, diethyl ether? is CH3-CH2-CH=O— 1-propanol, propanol, diethyl ketone or 3-pentanone, diethyl ether?2.)Carboxylic acids with four or fewer carbons are very water soluble. true or false3.) In the IUPAC naming system, an aldehyde is named by replacing the -e of the name of the corresponding alkane withSelect one:a. yne.b. ene.c. al.d. one.e. ol.4.) Amines contain the elementSelect one:a. nitrogen.b. oxygen.c. sulfur.d. astatine.e. arginine.

a. 3,5-dimethyl-3,5-dichloro-octanoic acidb. 3,5-chloro-3,5-methyloctanoic acidc. 3,5-dichloro-3,5-dimethylheptanoic acidd. 3,5-dichloro-3,5-dimethyloctanoic acid1.) Name

Question a. 3,5-dimethyl-3,5-dichloro-octanoic acidb. 3,5-chloro-3,5-methyloctanoic acidc. 3,5-dichloro-3,5-dimethylheptanoic acidd. 3,5-dichloro-3,5-dimethyloctanoic acid1.) Name the following compound. 2.) What is the IUPAC name of the compound shown here? a. N-propyl-N-heptylcyclobutanamineb. N-cyclobutyl-N-butylheptanaminec. N-butyl-N-cyclobutylheptanamined. N-butyl-N-heptylcyclobutanaminee. N-butyl-N-cyclobutylheptylamine3.) What is the IUPAC name of this compound?Select one:a. butanolb. propanolc. 2-propanold. 2-methylbutanole. 2-methyl-2-propanol Attachment 1 Attachment 2 Attachment 3 ATTACHMENT PREVIEW Download attachment 12_13_question_25.jpg ATTACHMENT PREVIEW Download attachment chap_13_35 (1).jpg CH,CH,CH,CH,CH,CH,CH3 N – CH2CH2CH2 CH3 ATTACHMENT PREVIEW Download attachment f13g1q4g1.gif

Chose the statements that are TRUE from the list below

Question Chose the statements that are TRUE from the list below A.  Fluorine anion is a weak base because hydrofluoric acid is a weak acid B. Lactate is created by our muscles during anaerobic glycolysis, it reacts with water to form lactic acid. C.If Lake A has a limestone base and Lake B has a granite base, after each receive the same acid rain fall, Lake B will be more acidic than Lake A D.We add calcium carbonate to lakes after acid rain because the calcium ion is basic and will react with the acid.  E. All salts are either acidic or basic after being dissolved in water.   F. Ions exist alone in nature 

This question was created from Basic CRDS.pdf https://www.coursehero.com/file/43182739/Basic-CRDSpdf/ Using Beer-Lambert

Question This question was created from Basic CRDS.pdf https://www..com/file/43182739/Basic-CRDSpdf/ Using Beer-Lambert Law : I = Io exp(-alpha*d), how do you get from Beer-Lambert Law to Equation 1.2. And from 1.2 to 1.3 show math step by step ATTACHMENT PREVIEW Download attachment 43182739-325784.jpeg In a simple picture, where the duration of the laser pulse width is shorter than the round-trip time of the pulse in the cavity, the detector will see a train of pulses (see Figure 1.3), each only slightly less intense than the previous one. The separation between adjacent pulses is equal to the round trip time tr: 2Uc. The intensity of the pulses will decrease due to absorption by the species in the cavity and the losses at the mirrors. Let us calculate the intensity at the detector. A laser pulse with an intensity Amer is injected into a cavity of length L. The two mirrors of the cavity are identical and have a reflectivity R and a transmission T. For ideal mirrors, without absorption or scattering losses, T 2 I — R. However, Tequal to 0.1 — 0.5 times 1 — R is more typical for mirrors used in CRDS. After one pass through the cavity, the intensity of the first optical pulse at the detector is obtained from Beer—Lambert’s law (see Equation (1.1)): I0 = immrr2 exp (—ad) (1.2) where a is the frequency-dependent absorption coefficient of the medium in the cavity. Here it is assumed that the sample is only present over a length d of the cavity. The intensity of the second pulse is then given by: 11 = 10122 exp (—2ad) (1.3) where Rzexp (—2ad) accounts for the loss due to the additional complete round trip through the cavity. Therefore, after 11 complete round trips, the pulse intensity behind the cavity will be 1,, : 10122

Assume each salt below is dissolved in water to make

Question Assume each salt below is dissolved in water to make a 1M solution. Chose if that solution is acidic, basic, neutral, or you would need more information to make that determination. 

From the definitions below chose the correct answer to the

Question From the definitions below chose the correct answer to the question “What is a polyprotic acid?” />A. A salt with multiple hydroxide groups such as Mg(OH)2B. Any acidic solution with an [H ] concentration greater than 1MC. An acidic solution that has multiple types of acids, such as a solution made by dissolving HCl, HBr, and HI in the same beaker. D .An acid that has multiple acidic protons, such as phosphoric acid

Rank each of the following ions from most acidic (1)

Question Rank each of the following ions from most acidic (1) to least acidic (4)H3PO4        H2PO4-          HPO4 2- PO4 3- 

1.) All molecules that have carbons with a tetrahedral shape

Question 1.) All molecules that have carbons with a tetrahedral shape are chiral.Select one:TrueFalse2.) Ethers are organic compounds that have two alkyl groups bonded to an oxygen atom.Select one:TrueFalse3.) What is the final oxidation product of the reaction in the compound shown here?4.) ? a. acetic acid.b. propanoic acid.c. propionic acid.d. butanoic acid.e. butyric acid. Attachment 1 Attachment 2 ATTACHMENT PREVIEW Download attachment f12q18-1.png ATTACHMENT PREVIEW Download attachment f14g1q5g1.gif

1.) What type of a lipid is ?Select one:a. a

Question 1.) What type of a lipid is  ?Select one:a. a fatty acidb. a waxc. a phospholipid2.) Fructose does not undergo hydrolysis because it is aSelect one:a. aldoseb. hexosec. reducing sugard. monosaccharidee. disaccharide3.) In the lock-and-key model of enzyme action, the enzyme active site is thought of asSelect one:a. a rigid, nonflexible shape that fits the substrate exactly.b. an area of the enzyme that can adjust to fit the substrate shape.c. a key-like shape that fits into a pocket of the substrate surface.d. a hydrophilic area on the enzyme surface.e. a lock that bars a noncompetitive inhibitor from reacting.4.) Hydrolysis of the sucrose above gives the monosaccharides ……Select one:a. fructose and ribose.b. fructose and glucosec. ribose and glucose.d. ribose and galactose.e. fructose and lactose.5.) The type of lipid that gives a cell membrane its shape is aSelect one:a. triacylglycerol.b. glycerophospholipid.c. prostaglandin.d. fatty acid.e. wax.6.) In hydrogenation, water is added across a double bond to make it become single bonds.Select one:TrueFalse7.) What is the particular sequence of amino acids of a protein that are joined together by peptide bonds called?Select one:a. the primary structure of a proteinb. the secondary structure of a proteinc. the tertiary structure of a proteind. the quaternary structure of a protein8.)In the carbon or photosynthesis cycle, carbon dioxide and water are converted to glucose and oxygen by:Select one:a. large animals. b. insectsc. mushroomsd. green plantse. earthworms9.)As the number of double bonds in the fatty acid increases, the melting point decreases.Select one:TrueFalse10.) Fats have a larger number of double bonds than oils.Select one:TrueFalse ATTACHMENT PREVIEW Download attachment chap_15_8.jpg

1.) What process occurs when heat, acids, bases, and heavy

Question 1.) What process occurs when heat, acids, bases, and heavy metal ions cause a loss of biological function of a protein?Select one:a. denaturationb. saponificationc. hydrogenationd. amidatione. esterification2.) The amide bonds in peptides and proteins are called peptide bonds.Select one:TrueFalse3.) The following amino acid side chain isSelect one:a. polar.b. hydrophobic.c. hydrophilic.d. acidic.e basic.4.) When two protein chains combine to form an active protein, the structural level is ________.Select one:a. pleatedb. primaryc. secondaryd. tertiarye. quaternary5.) In a simple model of atherosclerosis and heart disease, the compound that forms plaques that adhere to the walls of the blood vessels is ________.Select one:a. cholesterolb. carnauba waxc. stearic acidd. glycerole. oleic acid6.) α-Keratin in hair is a fibrous protein composed almost exclusively of α-helix units that wind together to form a superhelix.Select one:TrueFalse7.) Sucrose contains one glucose unit and one maltose unit.Select one:TrueFalse8.) A cooking oil would be a saturated lipid.Select one:TrueFalse9.)What is the main component of the cell membrane?Select one:a. triacylglycerolsb. phospholipidsc. steroidsd. cortisonese. omega-6 acids10.) Soap molecules have a long nonpolar tail and a polar head.Select one:TrueFalse11.) “Physiologic conditions” for reactions within the body are approximatelySelect one:a. pH 3 and 37 °C.b. pH 7 and 37 °C.c. pH 7 and 37 °F.d. pH 8 and 273 °C.e. pH 7 and 273 K.12.) Amino acids have polar side chains that are attracted to water would be classified as:Select one:a. hydrophilicb. hydrophobicc. nonpolard. aromatic13.) Which is not an anabolic steroid?Select one:a. nandroloneb. cortisonec. stanozolold. tetrahydrogestrinone14.) Vitamins are organic compounds required in small quantities for normal metabolism.Select one:TrueFalse ATTACHMENT PREVIEW Download attachment f17g1q5g1.gif

1.) I would have the highest melting point of the

Question 1.) I would have the highest melting point of the choices.—soap molecule, unsaturated fatty acid, polyunsaturated fatty acid, steroid, saturated fatty acidAthletes sometimes take advantage of my properties.— soap molecule, unsaturated fatty acid, polyunsaturated fatty acid, steroid, saturated fatty acidI am best for you than the other choices for food preparation.—soap molecule, unsaturated fatty acid, polyunsaturated fatty acid, steroid, saturated fatty acid I have a hydrophilic and a hydrophobic side to me.—-soap molecule, unsaturated fatty acid, polyunsaturated fatty acid, steroid, saturated fatty acid2.) The following structure has D- configuration Ture or false3.) Identify the class of lipid to which this molecules belongs. a. glycerophospholipidb. triacylglycerolc. fatty acidd. steroide. wax4.) Attachment 1 Attachment 2 ATTACHMENT PREVIEW Download attachment f15g2q7g1.gif ATTACHMENT PREVIEW Download attachment question_20.jpg

1.) When energy demands are low, glucose is stored as

Question 1.) When energy demands are low, glucose is stored as the polymer glycogen in the liver and muscles. True or False2.) In the process of glycolysis, glucose is converted to? a. pyruvate.b. citrate.c. sucrose.d. oxaloacetate. e. ribose.3.) A mutation which occurs when one base in a DNA sequence replaces another, is called a? a. frame-shift mutation.b. retrovirus insertion.c. substitution mutation.d. translocation mutation.e. viral mutation.4.) What is the step in the synthesis of proteins from RNA called, where the genetic message contained in RNA determines the specific amino acid sequence of a protein?a. transcription b. replication c. translation5.) Hydrolysis of ATP cleaves one phosphate group, forming ADP and hydrogen phosphate (HPO42-), and absorbing 7.3 kcal/mol of energy. True or False6.) Reactions in the mitochondria produce most of the cell’s energy. True or False7.) Transcription forms a messenger RNA molecule with a sequence that is identical to the DNA template from which it is prepared.True or False8.) When a mutation causes a protein deficiency or results in a defective protein and the condition is inherited from one generation to another, a genetic disease results.True or False9.) Individual mRNAs bring specific amino acids to add to the peptide chain.TrueFalse10.) Which is not a type of RNA molecule?Select one:a. mRNAb. dRNAc. tRNAd. rRNA11.) During replication, the strands of DNA separate and each serves as a template for a new strand. Thus, the original DNA molecule forms two DNA molecules, each of which contains one strand from the parent DNA and one new strand.Select one:TrueFalse12.) What is the process in which the DNA double helix unfolds, and each strand serves as a template for the synthesis of a new strand of DNA?Select one:a. transcriptionb. complementationc. translationd. replicatione. restriction13.) The result of a defective enzyme caused by a mutation in the DNA nucleotide sequence isSelect one:a. a genetic disease.b. AIDS.c. HIV.d. recombinant DNA.e. translocation.14.) Ketosis can lower the blood pH below 7.4, producing the conditionSelect one:a. anemiab. hyponatremiac. hypokalemiad. acidosise. alkalosis15.) A virus is an infectious agent consisting of a DNA molecule and an RNA molecule that is contained within a protein coating.Select one:TrueFalse16.) Most of the energy in the typical animal cell is produced in the ________.Select one:a. cytosolb. nucleusc. mitochondriad. lysosomese. endoplasmic reticulum17.) The product of the catabolic pathways is different for proteins, triacylglycerols, and carbohydrates.Select one:TrueFalse18.) DNA consists of two polynucleotide strands that wind into a left-handed double helix.Select one:TrueFalse

I do not understand how to locate the equivalency point

Question I do not understand how to locate the equivalency point point on my graph. alt=”Screen Shot 2019-07-09 at 9.45.50 AM.png” /> Attachment 1 Attachment 2 ATTACHMENT PREVIEW Download attachment Screen Shot 2019-07-09 at 7.52.16 AM.png ATTACHMENT PREVIEW Download attachment Screen Shot 2019-07-09 at 9.45.50 AM.png Acid-Base Titrations 8 EXPERIMENT 1: TITRATIONS WITH TACO SAUCE Data Sheet Table 2: Hot Sauce Titration Mass of hot sauce (9) 1.4g Concentration of NaOH solution used (M) 0. 1M Volume of NaOH solution used to neutralize the sauce (found by locating the equivalence point on the titration graph) (mL) 11.7 PH of NaOH

A standard K2Cr2O7 solution was first prepared by dissolving 1.2275

Question A standard K2Cr2O7 solution was first prepared by dissolving 1.2275 grams of previously dried potassium dichromate with deionized water in a 250mL volumetric flask and diluting to the mark with deionized water. A 2.4234 gram sample of the iron (II) compound was then dissolved in 200mL of deionized water. After the addition of the required volumes of concentrated sulfuric and phosphoric acids as well as the diphenylamine sulfonate indicator, the sample solution was titrated with the standard K2Cr2O7 solution. The titration required 35.98 mL of the standard dichromate solution. Calculate the % Fe in the sample.

A standard calcium solution was prepared by quantitatively transferring 0.3412

Question A standard calcium solution was prepared by quantitatively transferring 0.3412 grams of CaCO3 to a 500mL volumetric flask. After wetting the CaCO3 with a small volume of deionized water, a sufficient amount of concentrated HCl was added to dissolve the carbonate; and, the solution was diluted to the mark with deionized water and mixed well. What is the molarity of the Standard Ca2 solution?

This question was created from KarzoGrace_U3A2(2) https://www.coursehero.com/file/16344453/KarzoGrace-U3A22/ Initial temperature of

Question This question was created from KarzoGrace_U3A2(2) https://www..com/file/16344453/KarzoGrace-U3A22/ Initial temperature of water=42°C Final Temperature=0.4°C ATTACHMENT PREVIEW Download attachment 16344453-325894.jpeg

A 31.1 gram wafer of pure gold, initially at 69.3

Question A 31.1 gram wafer of pure gold, initially at 69.3 degrees C, is submerged into 64.2 g of water at 27.8 degrees C in an insulated container. What is the final temperature of both substances at thermal equilibrium?

what are isotopes?

Question what are isotopes?

a) Calculate the energy (in J) released by 100 g

Question a) Calculate the energy (in J) released by 100 g of water when it cooled by ΔT. The specific heat capacity(c) of water is 4.18 J/(g°C). Use the formula Q = mcΔT and the mass of water. The water temperature is -41.6°C

The post What is the molecular weight of chloroform ? appeared first on Smashing Essays.

 
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