Chemistry Questions and Answers July 11, 2020

Question 8 A patient weight is 112 kilograms (kg), but the weight is to be recorded in pounds (lbs). What is the patients weight in pounds (2.205 lbs 1kg) O221 lbs O none of the choices O 50.8 lbs 2 pts O 247 lbs

Question 7 2 pts The glycosidic linkage (bNGlycosidic Bond) in RNA and DNA nucleotides links the base to the phosphate moiety is susceptible to proteolysis links the base to the sugar moiety is a special form of hydrogen bonding found in nucleic acids always links A with T and G with C

QUESTION 3 What is the boiling point (in C) of a glucose solution, if the solution contains 334.4 g of glucose (C6H12O6, 180.16 gmol) in 810.9 g of water. Some possibly useful constants for water are Kf 1.86Cm, Kb 0.512Cm, freezing point 0C, boiling point 100C, and density 0.997 gmL. Enter your value with 2 decimal values

Question 28 What is the correct name for the ionic compound MgF magnesium fluoride magnesium (II) fluoride magnesium difluoride monomagnesium difluoride,Question 29 What is the correct chemical formula for potassium phosphate KPO4 KPO4 O K3PO4 K4PO4,Question 31 In which of the following pairs of compounds are both members of the pair covalent

Question 25) What is the weakest intermolecular force? A. Hydrogen bonding B. London dispersion in small molecules C. ion-dipole D. ion-ion Question 40) Which of the following can hydrogen bond with water? A. CH3CH2CH3 B. CH3NH2 C. H2 D. HSCH3 Question 38) Which of the following can hydrogen bond with water? A. All of the above B. Carbon dioxide

Question 16 I am 1.70 m tall. a) Convert my length to inches. Note that 1 in2.54 cm exactly. b) Then express the answer in feet and inches as you normally would express a persons height.

Choose the correct compound for the given IR spectrum. Transmittance 100 8 40 20 9 4000 3500 3000 Lyr 2500 Wavenumber (cm) 2000 1600 mm 1000,A) B) C) D) E) ILLI HO NH 0 OH OH The correct compound is

Question 1 Explain what is chemically active extraction How is it appled to eugenol extraction from clove oil Make sure you explain what compounds are in the aqueous layer and what in the organic layer, and why these compounds are separated into different layers. Use the editor to format your answer Question 2 4 Points Use the editor to format

ethyl cyclohexanecarboxylate CH 3MgBr (excess) (followork up) H3O LIAIH4 (followerckup) H3O 1. LDA 2. Br,Question 1 (15 points) Draw the structure of ethyl cyclohexanecarboxylate in the box below and provide the major products of each of the following four reactions (3 points each). ethyl cyclohexanecarboxylate OH, HO CH3MgBr (excess) (followork)

(Q116) The critical mass of uranium-235 is estimated to be47.14960 kg. Which of the following statements is true? a) 47.14960 kg of neutrons will be produced as a result offission b) all the neutrons released will increase the rate of the chainreaction c) if a bomb contains 45.0 kg of uranium-235, the chain reactioncannot be sustained d) the two

Potassium hydroxide (KOH) is a strong base because it easily releases hydroxide ions. does not dissolve in water. reacts to form salt crystals in water. does not conduct an electric current.

Problem 16. (1 point) Which of the following is the most likely formula for a compound of Cs (atomic number 55) and Se (atomic number 34) OGS C Se Cs OGS Problem 17. (1 point) Which of the following element is a dblock metal K (atomic number 19) Mg (atomic number 12) Sr (atomic number 38) Co (atomic number 27),Problem 18. (1 point) The

The price of gold varies greatly and has been as high as $875 per ounce. What is the value of 250 g of gold at $559 per ounce? Gold is priced by Troy ounces (14.58 Troy ounces =1 lb). The book has the answer as 4500 dollars.

Predict the product for the reaction shown. 1. Hg(OAC), 2. NaBHA 01 Oll O III OIV OV 000 OH IV OH,Predict the product for the reaction shown. 01 Oll CO III OIV OV 0 IV 1. Hg(OAc)2, CH3CHOH 2. NaBH SALLE VENDARY OH II PRONTIER AUS,Predict the product(s) for the following reaction. O Y Br Oland Il O II and III O III and IV Oland IV O II and V

Predict Pka values HClO3 and HClO using paulings rule

6. Why does a precipitate form when certain solutions are mixed Precipitation reaction occur when 7. We take special precautions to discard the precipitates formed in this experiment. Why 103,8. Give evidence from your everyday experience that increasing the temperature increases the solubility of some substances. 9. What evidence from your

For each of the following redox reactions, a) Write out the balanced net ionic equation. b) Write the anode (oxidation) halfreaction. c) Write the cathode (reduction) halfreaction. d) Identify both the oxidizing agent and the reducing agent. e) Look up each halfreaction potential and calculate the standard cell potential (E). f) Is the reaction

The pKa of acetic acid is 4.74. Calculate the PH of the following buffer solutions made by mixing acetic acid and sodium acetate solutions (a) 0.2M Acetitic acid mixed with 0.2M sodium acetate (b) 0.1M sodium acetate mixed with 0.3M acetic acid (c) 0.1M acetic acid mixed 0.3M sodium acetate Calculate pH of a buffer solution

Periodic nds Electron Configuration Practice Worksheet In the space below, write the unabbreviated electron configurations of the following elements 1) sodium 2) iron 3) bromine 4) barium 5) neptunium

When performing conversions by dimensional analysis, if your starting information contains X sig figs, then how many sf should your conversion factors contain same as X only same or more than X more than X only same or less than X less than X only

Calculate the mole fraction of isopropanol, (CH3)2CHOH, in asolution that is 70.0% isopropanol and 30.0% water by volume. Takethe density of water as 1.00 gcm-3 and the density of isopropanolas 0.785gcm-3.

Income statements for two companies (A and B) and the income statement for the industry are provided in the following table (S thousands) Sales Cost of goods sold Selling, general, and administrative expenses Interest expense Pretax earnings Taxes Net earnings Company A 10.500 6,353 2,625 840 683 205 478 Company B 8,250 5,239 2,021 536 454 145 309

A solution was prepared by dissolving24.0g of KCl in 225 g of water. A. Calculate the mass percent of KCL in the solution B. Calculate the mole fraction of the ionic species KCL in thesolution. C. Calculate the molarity of KCL in the solution if the totalvolume of the solution is 239 mL. D. Calculate thte molality of KCL in the solution.

Sodium Bicarbonate Test: Propanoic Acid = positive reaction Acetic Acid = positive reaction 1) for each positive test, write out the chemicalequation. Thank you :)

The chemical reactivity of elements varies over immense range.Some, like sodium or fluorine are so reactive that they never foundin the free or uncombined state in nature. Others, like xenon orplatinum, are nearly inert and can react with other elements onlyunder special conditions. The reactivity of an element is related to its tendency to loseor

There are several technological applications for thetransuranium elements (Z > 92). An important one is in smokedetectors, which can use the decay of a tiny amount ofamericium-241 to neptunium-237.What subatomic particle is emittedfrom that decay process? Write a balanced nuclear equation for thisprocess.

Part A The equilibrium constant for the production of carbon dioxide from carbon monoxide and oxygen is K, 2x 10 This means that the reaction modure at equilibrum is likely to consist o O an equal mixture of products and reactants Owice as much starting material as product O twice as much product as starting material O mostly starting materials

Part 5: 5a. What trend in atomic radius occurs as you go up a group on theperiodic table? Explain why this occurs. 5b. Write the complete electron configuration for Al3+. 5c. What element is the electron configuration for Al3+ isoelectricwith? 5d. Write the abbreviated electron configuration for I. 5e. Write four quantum numbers to describe the

Part 1 Preparation Of A Volumetric Stock Solution Mass of methylene blue (g) 0.713 Volume of stock solution (mL) 100.0,Part 2 Pipetting And Serial Diluting Calculations Dilution 1st 2nd 3rd Volume (mL) Aliquot 10.00 10.00 10.00 Volume Diluted To 100.00 100.00 100.00 80 Part 1 Preparation Of A Volumetric Stock Solution Determine the molarity of the

Part 1. Density of water 1. Volume of water. 2. Mass of beaker 3. Mass of beaker water 4. Mass of water 5. Density of water (show work) Part 2. Density of gasoline 6. Volume of gasoline 7. Mass of beaker 8. Mass of beaker gasoline 9. Mass of gasoline 10. Density of gasoline (show work). 50mL 50g 100g 85mL 50g 116.3g,Part 3. Miscibility of

P-chem experiment Absorption Spectra of Conjugated Dyes The polymethine dyes used for this experiment are: 3,3?-diethylthiacyanine iodide Solution 1 3,3?-diethylthiacarbocyanine iodide Solution 2 3,3?-diethylthiadicarbocyanine iodide Solution 3 3,3?-diethylthiatricarbocyanine iodide Solution 4 I did the graph. but i dont know how to find the

Absorbance (Au) 1 0.5 0.5 1 1.5 Absorbance vs Wavlength 400 600 Wavelength (nm). 800 1000 1200

Outline the main points of Daltons atomic theory. Check all that apply. A chemical reaction involves a rearrangement of atoms. Compounds are formed when atoms of different elements combine in different proportions. Atoms of a given element are alike. All matter is composed of atoms. Atoms of a given element are different. Compounds are formed when

Question 26 (2 points) Rank the following molecules in increasing number of signals displayed in NMR spectroscopy, from the lowest amount (1) to the highest amount (6). Classez les molcules suivantes par ordre croissant du nombre de signaux affichs en spectroscopie RMN, de la plus petite quantit (1) la plus grande quantit (6). A s B A E F

one bonding pairs four two singles lone valence six less lower Complete and correctly sequence the steps for drawing Lewis structures. Drag the text blocks below into their correct order. surrounding add higher multiple octet single eight subtract more central core Place the atoms relative to each other. Place the atom with lower group number in

1. A sample of a concentrated sulfuric acid solution with a density of 1.84 gcm contains 97.5 HSO, by mass. What mass of phosphate fertilizer, Ca(HPO4)2, in kilograms, can be prepared by the reaction of 156 L of this acid according to the equation (not balanced) shown below, if the reaction yield is 89.4 Cas(PO4)3F HSO4 HO Ca(HPO4)2 (CaSO42HO)

Which one of the following properties is least characteristic of organic compounds Flammability Solubility in nonpolar solvents primarily Covalent bonding Behavior as nonelectrolyte O Very high melting point Question 2 (4 points) An organic compound containing carbon and hydrogen only and single bonds would most likely be an alkane an alcohol an

One mile measures 5,280 feet long, so one square mile is equivalent to 5,280 square feet. O True O False

Which one of the following substances will give an aqueous solution of pH <7? a. KI b. NH4Br c. Na2CO3 d. CH3COONa e. CH3OH

The abbreviated form electron configuration for the element Caesium DXe6s24f145d7 Ne3s Ne3s 3p5 DXe6s1

what is the name of the following bicycloalkane?

1867 O a. Biciclo 3, 2, 0 octano O b. Biciclo 2, 3, 1 nonano Oc. Biciclo 3, 2, 1 octano Od. Biciclo 3, 2, 1 pentano

Number Significant figures Explanation 23.56 4 All nonzero digits are significant. 23.560 5 Trailing zeros are significant when a decimal point isshown. 1000 1 Trailing zeros are considered ambiguous, and may or may not besignificant, when no decimal point is shown. Use scientificnotation to avoid ambiguity 1000. 4 Showing the decimal point

Which of the following is the best choice to fill in the blank NaF(s) NO(I) NaF(1) can be represented by the nanoscale diagram shown. NO(s)

The normal boiling point of carbon disulfide (CS2) is 46.3 oC.Its enthalpy of vaporization is 26.8 kJ/mole. Use theClausius-Clapeyron equation to determine the vapor pressure at 35oC. Show all units and conversion factors. Also, includeconversions between J and kJ, as well as between oC and K. (Pleaseshow step by step that way I can understand and

Will NH3 titrated with HNO3 have a pH equivalence point, ofbelow, equal to, or above 7?

9. Pressure, psia Using the following graph, which shows phase equilibrium data for methane and normal butane (C1 nC4) at 220 F, indicate the following (a) Bubble point pressure for a mixture of 20 C1 (2.5) (b) Approximate critical pressure and composition (2.5) (c) Dew point pressure for a mixture of 30 C1 (2.5) (d) Retrograde composition range

In normal air, the partial pressure of oxygen is 0.18 atm, thepartial pressure of nitrogen is 0.77 atm, and the partial pressureof carbon dioxide is 0.05 atm. Scuba divers often use tanks with anenhanced mixture of only oxygen and nitrogen. If the total pressurein the scuba tank is 3.27 atm and the partial pressure of oxygen is1.18 atm, what is

a) Calculate the reduction potential for 0.01 M NaNO3 at 25 C. Discuss the reasons why this value differs from the standard reduction potential. b) Explain what a salt bridge does in an electrochemical cell, and illustrate your answer with a diagram that shows how the salt bridge works.

1 A recipe calls for cup of butter. One ounce (oz) of butter is equivalent to 2 tablespoons (T) and 4 there are 8 oz of butter in 1 cup. Which of the following statements correctly interpret the information provided Select all that apply. Check all that apply. 8 oz The information provided gives the conversion factor 2 T The information provided

Why does neon (Ne) have a lower melting point than molecular oxygen (O2) Because O2 molecules are polar and Ne atoms are nonpolar O Because Ne atoms do not experience attractive forces at all O Because molecular oxgyen contains a double bond O Because O2 molecules are more polarizable than Ne atoms

The name for SiO2 is silicon dioxide. Silicon is a semi-metal. Based on your knowledge of naming compounds would silicon dioxide be lonic or molecular in nature. Why?

What is the name of H2SO4? (SO42- is sulfate)

What is the name of HSO4 (SO42 is sulfate) Hydrosulfuric acid Sulfuric acid Sulfurous acid Dihydrogen sulforic acid Dihydrosulfate

What reaction does a vitamin KHdependent enzyme catalyze View Available Hint(s) O It decarboxylates the ycarbon of a glutamate side chain. OIt carboxylates the ycarbon of an aspartate side chain. O It carboxylates the ycarbon of a glutamate side chain. OIt carboxylates the ycarbon of a glutamine side chain. O It carboxylates the carbon of a

Name Salt (Soln color) KCI Reactions in Aqueous Solutions Lab Report Sheet Ca(C2H3O2)2 Na3PO4 Zn(C2H3O2)2 FeSO4 Unknown D NR K2CO3 ZnSO4 NR Unknown D Salt Solution is NR Quiz is 40 points Lab Report is 60 points NaOH NR NaCl Reactions of the Unknown Write the molecular, complete ionic and net ionic equations for only the reactions with the

Please help fill in chart.

Reaction Notebook SN1, SN2 Mechanism (including intermediate or transition state) Reaction Nucleophile (strong or weak) SN1 SN2 Additional Notes Alkyl Halides Stereochemistry Rate Law Preferred Solvent Alkyl Halides Stereochemistry Rate Law Preferred Solvent

JN is a 33 year-old (dosing weight 84.1 kg) male who presents to the ER with a history of being bitten by a dog in the jaw 3 days ago. As a vet, the patient empirically started himself on amoxiclav BID. He now presents with a red, swollen mandible that is painful and warm to the touch. He also complains of fever and chills that started last night.

Name Student Exploration Element Builder Vocabulary alom, atomic number, electron, electron dot diagram, element, energy level, ion, isotope, mass number, neutron, nucleus, periodic table, proton, radioactive, valence electrons Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. What are some of the different substances that make up a

Draw the mechanism of this reaction that produces Methyl 3-Nitrobenzoate

Reaction Equation The equation for the nitration of methyl benzoate using nitric acid in the presence of sulfuric acid is given below COOME ON. Methyl benzoate (B.P. 199.6 C) (D 1.09 gmL) HNO3 HSO4 COOMe Methyl 3nitrobenzoate (M.P. 78 C)

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Rank the following pure liquids in order of increasing boiling point. (1 highest boiling point) (5pts) CH3Br HO CO2 Cl Rank the following compounds with increasing boiling point (1 highest) (5pts) CH3CH3 CHC13 CH3CHOH (CH3)20

Write why this myth is either true or false.

Myth 2 A hypothesis is an educated guess The term hypothesis has at least three definitions, and for that reason, should be abandoned, or at least used with caution. For instance, when Newton said that he framed no hypothesis as to the cause of gravity he was saying that he had no speculation about an explanation of why the law of gravity operates

Rank these elements according to first ionization energy. Highest ionization energy Kr Br Se As Ge Ga Ca K Lowest ionization energy Incorrect. You have correctly identified the general trend, with the noble gas at the top and the alkali metal at the bottom. However, there are two exceptions within this general trend. The atom with the ns electron

Q-Sepharose @ pH 3.5, 0-0.5 M Sallt (Lowest pH condition) Q-Sepharose @ pH 11, 0-0.5 M Sallt (Highest pH condition) Q-Sepharose @ pH 7, 0-0.5 M Sallt (Neutral pH condition) Hydrophobic Interaction, Phenyl-Sepharose CL-4B, Start ofgradient 0.5-0.0 2% of the enzyme activity and 0.8% of the protein haveprecipitated in the starting buffer Gel

Write out your estimated pl and molecular weight of the protein you had to purify. Explain in one or two paragraphs how the pI and molecular weight helped choose chromatography conditions for your purification.

The movie below shows some molecules in a tiny sample of a mixture of gases. 078 11 12 13 14 15 16 17 18 19 20 IIIIIIH Drag the slider to see how the molecules move. Does a chemical reaction happen during this movie If a chemical reaction does happen, write a balanced chemical equation for it. O yes 0 no carbon nitrogen chlorine key O hydrogen

Question 8 (2.174 points) How many atoms of oxygen are there in 36.5 grams of potassium nitrate, KNO3 FW(KNO3) 101.10 amu NA 6.02x1023 5.56x1023 atoms 6.28x1023 atoms 6.52x1023 atoms 5.28x1023 atoms 6.85x1023 atoms

At least three (3) years of experience either in a shared service centre, back office or similar settings of clientele and work environment is desirable. Please explain how you meet this criterion using examples.

Molybdenum99 has a half life of 67 hours. How much time before a sample with an activity of 160 disintegrationsminute has decreased to an activity of 5.0 disintegrationsminute O 5 hours O 2.1 x 10 hours 3.4 x 10 hours O2.7 x 10 hours 2.0 x 10 hours

Can molten sulfur conduct electricity? If so, what type of particle carries the current? A. non-conductor B. conductor -electrons carry the current C. conductor -only cations carry the current D. conductor -only anions carry the current E. conductor -cations and anions carry the current

Mole and Partilces Conversions 16pts 1 mol 6.02 x 1023 particles (atoms, molecules) Use the correct conversion factor 1 mole 6.02x10 particles) OR 3.01 x 1022 atoms x Example How many moles of magnesium is 3.01 x 1022 atoms of magnesium Mg 5 x 10 moles of Mg 6.02x10 particles 1 mole 1 mole 6.02 x 10 atoms 1. How many moles are 1.20 x 10 atoms of

Question 8 If the anode electrode in a voltaic cell is composed of a metal that participates in the oxidation halfcell reaction, what happens to the electrode There is no change in the anode. The anode will lose mass. The anode will gain mass. 0.5 pts Electrons flow to the anode., Question 10 Given the standard reduction potentials, which

QUESTION 59 Perform the following conversions within the metric system. (give your answer with 3 significant figures) a) 1.78 m b) 0.500 km c) 5.80 dL d) 62.5 kg f) 155 F C (F 32) x cm L m lb (1 kg 2.2 lb) C K

Question 4 (1 point) Looking at the periodic table, what is probably the most abundant isotope of Rh Look up the name of the element on your periodic table if you are not sure. Format your answer as follows Write your answer using this long notation 13C would be entered as carbon13. Psst This questions answer is not carbon13. Spelling counts. Do

QUESTION 38 When using a digital balance, the student should A. record the digits given plus one estimated digit. B. round the displayed mass to a whole number. C. round the displayed mass to the tenths place. D. record all of the digits displayed by the instrument.,QUESTION 37 A student is using a digital meter to measure the temperature and

A mile is 5280 feet, a foot is 12 inches, and an inch is 0.0254 meters. Calculate how many miles are in 1 km. 1 km .621 Convert 1 mg CO per mile per vehicle pound mass into mg CO per km driven per kg vehicle mass. Use the conversion factor 1 lb 0.4536 kg. 1 mg CO mi lb 1.37 Consider a vehicle with a mass of 1.5 metric tons driven 1.3 x 10

Section 08 METHOD 1 TITRATION WITH BURET AND INDICATOR. Trial 1 Trial 2 Trial 3 Initial buret reading 0.21 mL 1.95mL 2.75mL Final buret reading 33.35ml 25.65mL 26.55 mL NaOH (aq) Volume 23.14 mL 23.7 mL 23.8mL 0.09978 mol NaOH. IL NAOH X Calculated moles of NaOH (aq) base used to titrate the acid in 5.00 mL aliquot of acid 0.002309 mol (show your

QUESTION 5 Which of the following are good leaving groups Choose all that apply. a. OH b.OTf c. Br d.OMs e. Cl 1. OTS g.F HO QUESTION 6 1 points Save Answer For problems 614, complete the reactions by filling the boxes with the necessary chemical reagent(s)reaction conditions or major products. Provide reagent(s)reaction conditions that would

please help complete wet lab

Measuring the Volume of Substances and Objects Using Appropriate Glassware Objective Upon completion of this laboratory exercise, students will be expected to demonstrate an ability to accurately identify common glassware used for measuring volume. choose glassware of appropriate size and precision for a variety of uses and measurements in a

Question 4 Status Not yet answered Points possible 2.00 Determine the correct answers to the problems below and round to the required number of significant figures. Enter your answer in standard notation. 0.0049113.87 4x6

Question 4 Pure caffeine has a literature melting point of 238C. If you performed a series of extractions on an aqueous tea brew with the intention of isolating the caffeine, and recorded the melting point of your isolated solid as 231236 C, which of the following statements are TRUE Select all that apply. no conclusion can be made about the

An experimental mouse weighs about 4.41 x 10 lbs. What would the weight be in th Sl unit for mass 20,003 mg 0.0200 kg 20.0 g

QUESTION 2 The abbreviated form electron configuration for the element Caesium. Xe6s24f145d7 Ne3s2 Ne3s23p5 Xe6s

QUESTION 2 How many centimeters (cm) is 6.5 feet Note 1 foot 12 inches 1 inch 2.54 cm

QUESTION 13 A recipe requires 1.89 liters of milk for a soup base. How many quarts are needed (1 oz. 29.6 ml 1qt. 32 oz.) 1.79 qts 2.00 qts 1.89 qts 2.10 qts 2.15 qts

Match the following examples Element Compound Homogeneous mixture Heterogeneous mixture Choose Choose Choose Choose,Match the following examples Element Compound Homogeneous mixture Heterogeneous mixture Choose Human blood Stomach acid, HCI Orange juice with pulp Lead Choose Choose,Match the following examples Element Compound Homogeneous mixture

Question 19 (5 points) What is the pH of human blood 8.0 5.5 7.4 6.4 9.4,Question 18 (5 points) Which amino acid contains an imidazole functional group asparagine alanine arginine lysine histidine

QUESTION 13 What is the acid, the base, the conjugate acid and the conjugate base in the following equation NH2CH3 H3PO4 NH3CH3 H2PO4 Acid NHCH3 Base H3PO4 Conjugate acid NH3CH3 Conjugate Base HPO4 Acid H3PO4 Base NHCH3 Conjugate acid NH3CH3Conjugate Base HPO4 Acid H3PO4 Base NH2CH3 Conjugate acid H2PO4 Conjugate Base NH3CH3 Acid NHCH3 Base

How many moles of carbon are in 6.0 moles of ribose (C5H1005) Hint Refer to slide 23 on molar mass. How many moles of carbon atoms are in a single mole of ribose Use that as a conversion factor. You can do this Enter your answer in scientific notation to show the correct number of significant figures.

How many miles are in 200 km Pick the correct set up below, do not solve. Possibly useful information 1 in 2.54 cm 1 m 3.3 ft 0.62 km 1 mi O200 km 1 O200 km 1 X X X 200 km 1 1 mi 0.62 km .062 mi 1 km 0.62 km 1 mi 1 lb 0.45 kg,How many minutes are in 12.5 days Pick the correct set up below (that is only missing units), do not solve. Possibly

Question 1; part 1. What do theterms Kcat, km and Vmax reveal about an enzyme and the reaction itcatalyses? Question 1; part 2. An enzyme catalyses the reaction A ? B.The enzyme is at a concentration of 2 nM, the Vmax is 1.2 ?M/s andthe Km for substrate A is 10 ?M. Calculate the initial velocity ofthe reaction when the substrate concentration is

Initial velocity, Vo (mmin) Vmax Vmax Km Substrate concentration, S (mm) Letninger Principles of Biochemy, Seventh Edition 2017 WH and Company The MichaelisMenton kinetics. V Vmax S K S MichaelisMenton equation

The lead storage batteries used in automobiles have a sulfuricacid (H2SO4) concentration of 3.75 M. The density of the sulfuricacid solution is 1.230 g/mL and the molar mass of sulfuric acid is98.08 g/mol. What is molality of sulfuric acid?

A purified protein has a molecular mass of 360 kDa when measured by size exclusion chromatography. When analyzed by gelelectrophoresis in the presence of SDS, three bands are observed, with molecular masses of 160, 140, and 60 kDa. When gelelectrophoresis is carried out in the presence of SDS anddithiothreitol, three bands are once again observed,

k1 gt) What would be the major organic product of the following reaction CH3 H HCCC CH CH HCI 2CH CH 2 24. (1 pt) What would be the major organic product of the following reaction HCCHCH HO.HSO4 2 25. (1 pt) What set of reagents would convert 1methylcyclohexene into trans1methyl1,2 cyclohexanediol,HC HC CH3 26. (1 pt) What reagent(s) would

31. (Multiple Choice) Propose an efficient synthesis for the following transformations:

Propose an efficient synthesis for the following transformations 1) Mg 2) CO2 O 3) H3O 4) SOCI 5) excess CH3NH 1) LAH 2) HO 3) 1) Mg 2) CO 3) H3O 4) NaOH 5) EtI C 1) NaCN 2) EtMgBr 3) H3O CI 1) NaCrO7, HSO4, HO 2) SOCI 3) EtCuLi Br

what monomer is used to form the following polym

KScience ter 13 Chapter 2 EADMS Login 1 The Human Bod... 2 attempts left CH Click the draw structure button to launch the drawing utility. What monomer is used to form the following polymer Br Br tatat CH CH CI CI Check my work HC ta CH Saved edit structure Prex Br CI Earthwatch Stude... 3 of 5

Krypton difluoride, KrF 2 , decomposes at dry icetemperature to Kr and F 2 . However, several salts of the[KrF] + ion are relatively stable. Draw valence bondpictures for KrF 2 and [KrF] + , showinglone pairs, possible resonance structures, formal charges, bondorders, and bond angles. Why is [KrF] + more stablethan KrF 2 ?

Data was collected for the reaction 3 AB2(g) 3 AB(g) B3(g), and the following plots were created. What is the order of the reaction with respect to AB2 ww.otx) lavi 1.0 0.8 0.6 0.4 0.24 60 120 180 240 300 360 Time (s) InAB1 4.5 5.0 5.5 6.0 0 60 120 180 240 300 360 Time (s) 1AB) (M) 400 300 200 100 0 60 120 180 240 300 360 Time (s)

K. Convert the following units 36. 12.0 mgdL calcium standard to mEqL 37. 2.00 mgdL magnesium standard to mEqL 38. 140 mEqL sodium standard to mgdL 39. 110 mEqL chloride standard to mgdL 40. 145 mEqL sodium standard to mmolesL 41. 2.00 mEqL HCI solution to mmolesL 42. 150 mgdL glucose standard to mmolesL (gmw of glucose 180.16)

Sketch the arrangement of atoms on the following planes. An atom is considered to be on a plane if its center is located on that plane. Draw to scale and show which atoms are touching, that is are bonded at the equilibrium bond length. i.) fcc metal, (111) plane ii.) fcc metal, (110) plane iii.) bcc metal,(100) plane iv.) bcc metal, (110) plane

Predict the major organic product of the reaction. H H Draw the major organic product. Rings Select Draw S H Br More Erase Q2 Q,Predict the organic product of the reaction. H X H3C CH3 HBr Draw the product. Select Draw 2 Rings More C H Br Q2 Erase O,Predict the major product for the reaction. HCI Draw the major product. Select Draw G Rings

What pressure (in atm and in bars) is exerted by a column ofmethanol (CH3OH) 343 m high? The density of methanol is 0.787g/cm3.

Preliminary Questions A. What is Ohms Law B. What is the resistance for two 100 2 resistors in parallel C. What is the resistance for two 100 2 resistors in series

The pressure in an experimental container of Campbell'sprimordial soup is 6.00 atm. The atmosphere is25.0% O 2 , 15.0% N 2 , and the rest isH 2 . What is the partial pressure ofH 2 ?