Chemistry concepts and calculations

What is the IUPAC name of the following diene? A 3 - chloro - 2, 5 - dimethyl -

What is the IUPAC name of the following diene? A 3 - chloro - 2, 5 - dimethyl - 2, 6 - heptadiene B 3 - chloro 2, 5 - dimethyl - 1, 5 - heptadiene C 5 - chloro 3, 5 - dimethyl - 1…

What is the IUPAC name of the molecule shown? **It is VERY IMPORTANT that I get

What is the IUPAC name of the molecule shown? **It is VERY IMPORTANT that I get this right, so please explain your answer so I have confidence that it is correct and that I can un…

What is the K a of the acid used in the titration? For the titration above, the

What is the Ka of the acid used in the titration? For the titration above, the concentration of sodium hydroxide was standardized with potassium hydrogen phthalate.  It took 14.42…

What is the K_sp of hydroxyapatite, i.e. tooth enamel? Cite sources (verify with

What is the K_sp of hydroxyapatite, i.e. tooth enamel? Cite sources (verify with 2 sources) Considering the size of K_sp, are reactants or products favored? Does the answer make s…

What is the Kelvin temperature of an ideal gas if its Celsius temperature is 25

What is the Kelvin temperature of an ideal gas if its Celsius temperature is 25 degree C? Units are required. 1st answer field is the numeric number 2nd answer field is for units …

What is the MAJOR product in each of the following reactions? oxidation of 2-pen

What is the MAJOR product in each of the following reactions? oxidation of 2-pentanol oxidation of 2-methyl-2-pentanol reduction of 2-pentanone dehydration of 2-pentanol decarboxy…

What is the Molarity and uncertainty of the molarity of a BaSO4 solution that is

What is the Molarity and uncertainty of the molarity of a BaSO4 solution that is prepared by dissolving 4.5683 (+or- 0.0001) grams of BaSO4 in distiller water? The dissolved salt …

What is the Redox Reaction between aqueous solutions of Cu(NO3)2 and KI, to form

What is the Redox Reaction between aqueous solutions of Cu(NO3)2 and KI, to form CuI, KNO3, and I2. The CuI precipitates from the reaction as a solid. Use the smallest whole numbe…

What is the SHE? Sketch/describe this half-cell. What is the half-cell potential

What is the SHE? Sketch/describe this half-cell. What is the half-cell potential? Consider the Cu(ll) | Cu and Zn(l) | Zn half-cell couples. Write the reaction that takes place sp…

What is the [H 3 O + ] of a solution that is0.250 M in triethylamine((CH 3 CH 2

What is the [H3O+] of a solution that is0.250 M in triethylamine((CH3CH2)3N)? Kb=6.5e-10 pKb=4.19 These are the answers to choose from: A. 0.0158M B. 4.00?10-11 M C. 6.32?10-13 M …

What is the [H^+] concentration of a 0.100 M CH_3CO_2H solution with K_a = 1.8 t

What is the [H^+] concentration of a 0.100 M CH_3CO_2H solution with K_a = 1.8 times 10^-5 M? The equation for the dissociation of acetic acid is: CH_3CO_2H(aq) H^+(aq) + CH_3CO_2…

What is the [H_3O^+] in each of these final solutions (after dilution and before

What is the [H_3O^+] in each of these final solutions (after dilution and before any reaction occurs)? ______ SAVE everything and record your observations as the reactions proceed…

What is the [S^2-] in a solution that is saturated with hydrogen sulfide and the

What is the [S^2-] in a solution that is saturated with hydrogen sulfide and the pOH = 7.5. Given: K_H2s = 1.0 Times 10^-27 = [H^+]^2 [S] Given a 0.10 M NaCN solution. Write the n…

What is the \"sf\" at the end of the mole fraction answer? Unt2 s//go.view.usg.e

What is the "sf" at the end of the mole fraction answer? Unt2 s//go.view.usg.edu/d2Vle/content/1524182/viewContent/24876227/View Princ of Chemistry II and Lab Section 03G ca tion …

What is the \"sf\" at the end of the mole fraction answer? Unt2 s//go.view.usg.e

What is the "sf" at the end of the mole fraction answer? Unt2 s//go.view.usg.edu/d2Vle/content/1524182/viewContent/24876227/View Princ of Chemistry II and Lab Section 03G ca tion …

What is the absorbance if the % transmittance is 53%? Keep 2 sig figs for the an

What is the absorbance if the % transmittance is 53%? Keep 2 sig figs for the answer. Flag this Question Question 3 1 pts The Total Cereal has a Fe concentration of 0.6 g Fe per g…

What is the absorbance of a solution with a 57.34% T? When 5.00 mL of 0.0200 M F

What is the absorbance of a solution with a 57.34% T? When 5.00 mL of 0.0200 M Fe(NO_3)_3 is mixed with 5.00 mL of 0.00200 M NaSCN it is found that at equilibrium FeNCS^2+ is prod…

What is the activation energy for the formation of OZONE? 14 kj 406 kj 392 kj no

What is the activation energy for the formation of OZONE? 14 kj 406 kj 392 kj none of these the decomposition of dinitrogen pentoxide is described by the chemical equation N_2O_5 …

What is the activation energy for the formation of ozone? The decomposition of d

What is the activation energy for the formation of ozone? The decomposition of dinitrogen pentoxide described by the chemical equation If the rate of disappearance of N_2O_5 is eq…

What is the activation energy for this reaction in the presence of the catalyst?

What is the activation energy for this reaction in the presence of the catalyst? Express your answer using three significant figures. Mastering chemistry. Homework chapter 13 Lect…

What is the activation energy of a reaction if k at 500 K is 2.9 times 10^-1 L/m

What is the activation energy of a reaction if k at 500 K is 2.9 times 10^-1 L/mol middot s and k at 400 K is 6.6 times 10^-4 L/mol middot s? (a) 1.0 times 10^2 J/mol (b) 1.2 time…

What is the activation energy of the reaction? Express your answer numerically i

What is the activation energy of the reaction? Express your answer numerically in kilojoules per mole. The rate constant of a chemical reaction increased from 0.100 s^-1 to 3.30 s…

What is the active enzyme of saliva? What is/are the digestion product(s) respon

What is the active enzyme of saliva? What is/are the digestion product(s) responsible for a positive Benedict's test? What are the end products of fat digestion? What product of t…

What is the activity coefficient for each ion at the given ionic strength? Click

What is the activity coefficient for each ion at the given ionic strength? Click here for an activity coefficient table. a) Hg22+ ( = 0.1 M) b) Y3+ ( = 0.1 M) c) Eu3+ ( = 0.01 M) …

What is the actual reason why the hydrogen adds to the carbon withthe most hydro

What is the actual reason why the hydrogen adds to the carbon withthe most hydrogens? I heard something about that this makes themost stable carbocation or something is this true?…

What is the advective flux of total Cr that is discharged into a river (assume n

What is the advective flux of total Cr that is discharged into a river (assume no Cr in the river before the discharge) with a flow rate of 15 m3/s from two leather tanning facili…

What is the advective flux of total Cr that is discharged into a river (assume n

What is the advective flux of total Cr that is discharged into a river (assume no Cr in the river before the discharge) with a flow rate of 15 m3/s from two leather tanning facili…

What is the age BP P of a bone fragment that shows an average of 3.5 disintegrat

What is the age BP P of a bone fragment that shows an average of 3.5 disintegrations per minute per gram of carbon in 2005? The carbon in living organisms undergoes an average of …

What is the algorithm to add up 2 binary numbers when the basis is {negation, co

What is the algorithm to add up 2 binary numbers when the basis is {negation, conjunction, disjunction} in linear time? Also the program needs to be linear as well, meaning there …

What is the algorithm to add up 2 binary numbers when the basis is {negation, co

What is the algorithm to add up 2 binary numbers when the basis is {negation, conjunction, disjunction} in linear time? Also the program needs to be linear as well, meaning there …

What is the algorithm to add up 2 binary numbers when the basis is {negation, co

What is the algorithm to add up 2 binary numbers when the basis is {negation, conjunction, disjunction} in linear time? Also the program needs to be linear as well, meaning there …

What is the algorithm to add up 2 binary numbers when the basis is {negation, co

What is the algorithm to add up 2 binary numbers when the basis is {negation, conjunction, disjunction} in linear time? Also the program needs to be linear as well, meaning there …

What is the amino acid sequence coded from the following mRNA sequence? GUU-AGC-

What is the amino acid sequence coded from the following mRNA sequence? GUU-AGC-ACA-CAU A) Val-Ser-Thr-His B) Ala-Ser-Thr-His C) Ala-Ser-Thr-Gln D) Val-Ser-Thr-Gln Which of those …

What is the anode in an alkaline battery?? ------ Describe the electrodes in thi

What is the anode in an alkaline battery?? ------ Describe the electrodes in this nickel-copper galvanic cell. a. Drag the appropriate items to their respective bins. anode cathod…

What is the answer for Pre-lab questions number 1,2,3,4?? In terms of kinetic en

What is the answer for Pre-lab questions number 1,2,3,4?? In terms of kinetic energy (KE), explain why vapor pressure increases with increasing temperature. Provide a definition f…

What is the answer for this question? 3. Consider the HCIolclo conjugate acidlba

What is the answer for this question? 3. Consider the HCIolclo conjugate acidlbase pair. Consult your text or other source for appropriate acid dissociation constants. The hypochl…

What is the answer of this 2 problems? please need the answers of those... Safar

What is the answer of this 2 problems? please need the answers of those... Safari File Edit View History Bookmarks window Help west.cengagenow.com OWLv2 Online teaching and learni…

What is the answer to 151.25 g + 0.507 g using significant digits? 151.757 grams

What is the answer to 151.25 g + 0.507 g using significant digits? 151.757 grams 151.75700 grams 151.8 grams 151.76 grams 152 grams Which of the following is/are (an) example(s) o…

What is the answer to 18 and 19 16. What are the major steps in performing objec

What is the answer to 18 and 19 16. What are the major steps in performing object oriented design? 17. In the object-oriented design of an airline passenger reservation program, s…

What is the answer to this question? 1) When a liquid is in equilibrium with its

What is the answer to this question? 1) When a liquid is in equilibrium with its vapor in a closed container: A) the rate at which molecules from the liquid phase enter the gas ph…

What is the approximate pH of a solution X that gives the following responses wi

What is the approximate pH of a solution X that gives the following responses with the indicators shown? A) 4.8 - 6.0 B) 8.2 - 10.0 C) 3.2 - 4.4 D) 6.0 - 7.6 What is the pH of a 0…

What is the approximate value of the bond angle indicated? Identify the nonpolar

What is the approximate value of the bond angle indicated? Identify the nonpolar molecules in the following group: SO_2, NH_3, Which of the following atoms, in its ground state, d…

What is the atmospheric pressure in Torr? Then I need help calculating the resul

What is the atmospheric pressure in Torr? Then I need help calculating the results section. DATA Time of electrolysis duration in seconds 13 A end Current in amperes: Buret readin…

What is the atomic mass of a hypothetical element that consists of the following

What is the atomic mass of a hypothetical element that consists of the following isotopes in the indicated natural abundances? Isotope Isotopic mass (amu) Relative abundance (%) 1…

What is the atomic mass of the more massive isotope of element X? Mass Spectrum

What is the atomic mass of the more massive isotope of element X? Mass Spectrum of Molecular Parent Ion (4parts) Hass Spectrum of IX2F The spectrum shows three vertical bars corre…

What is the atomic number for the following isotope: the hydrogen isotope with 2

What is the atomic number for the following isotope: the hydrogen isotope with 2 neutrons. Express your answer as an integer. SubmitRequest Answer Part B What is the mass number f…

What is the atomic number for the following isotope: the hydrogen isotope with 2

What is the atomic number for the following isotope: the hydrogen isotope with 2 neutrons. Express your answer as an integer. SubmitRequest Answer Part B What is the mass number f…

What is the autoionization of water? A. Autoionization of water is the equilibri

What is the autoionization of water? A. Autoionization of water is the equilibrium process where one water molecule will transfer its proton to another. This forms hydroxide ions …

What is the average molarity of copper in the 100mL dilutions? (MW Cu = 63.542g-

What is the average molarity of copper in the 100mL dilutions? (MW Cu = 63.542g-mol^-1) Complexation Titration of Hard Water 0.9534g EDTA (Purity = 101.6%; H_2O adsorption = 0.7%)…

What is the average molarity ————? Show calculation. Desk Date REPORT SHEET EXPE

What is the average molarity ————? Show calculation. Desk Date REPORT SHEET EXPERIMENT Determination of the 25 Dissociation Constant of a Weak Acid B. Standard ization of Sodium H…