Chemistry concepts and calculations

What are the 6 most common elements found in burians? From what part of the bios

What are the 6 most common elements found in burians? From what part of the biosphere does each of these six arise (atmosphere hydrosphere, or lithosphere)? Relate this question t…

What are the Arrhenius definitions of a base? An Arrhenius base is a substance t

What are the Arrhenius definitions of a base? An Arrhenius base is a substance that produces both H^+ and OH^- ions in aqueous solutions. An Arrhenius base is a substance that pro…

What are the Bronsted-Lowry acids in the following chemical reaction? HBr(aq) +

What are the Bronsted-Lowry acids in the following chemical reaction? HBr(aq) + CH_3COOH (aq) CH_3C (OH)^+_2 (aq) + Br^-(aq) a) CH_3COOH, CH_3C (OH)^+_2 b) CH_3COOH, Br^- c) HBr, …

What are the Bronsted-Lowry acids reaction? 32. and bases in the (A) C,HNH and H

What are the Bronsted-Lowry acids reaction? 32. and bases in the (A) C,HNH and H.CO, C,H&N; and HCOs (B) C,H,NH' and HCO, CH&N; and H CO (C) CSHSN and H COs (D) CHN and HC…

What are the H3 O^+ and OH^- concentrations of solutions that have the following

What are the H3 O^+ and OH^- concentrations of solutions that have the following pH values? A. pH1 B. pH 13 C. pH 0 D. pH 1.24 E. pH 7.96

What are the H3 O^+ and OH^- concentrations of solutions that have the following

What are the H3 O^+ and OH^- concentrations of solutions that have the following pH values? A. pH1 B. pH 13 C. pH 0 D. pH 1.24 E. pH 7.96

What are the H3O+ concentrations of solutions with the following pH values? (a)

What are the H3O+ concentrations of solutions with the following pH values? (a) pH 5.0 WebAssign will check your answer for the correct number of significant figures. Incorrect: Y…

What are the IMAFs in a pure sample of nepetalactone, the active ingredient in c

What are the IMAFs in a pure sample of nepetalactone, the active ingredient in catnip? Explain in detail and explain whether this molecule would have a higher or lower boiling poi…

What are the SI units of conductivity? What is the conductivity of deionized wat

What are the SI units of conductivity? What is the conductivity of deionized water? What is the conductivity of tap water? What is the conductivity of sea water? What does the con…

What are the \"correction terms\" in the van der Waals\' equation that account f

What are the "correction terms" in the van der Waals' equation that account for the non-ideal behavior of real gases? 6. For the van der Waals' equation, why has the volume been m…

What are the \"correction terms\" in the van der Waals\' equation that account f

What are the "correction terms" in the van der Waals' equation that account for the non-ideal behavior of real gases? 6. For the van der Waals' equation, why has the volume been m…

What are the \"products\" of the reaction? ( Hint: see the right hand side of th

What are the "products" of the reaction? ( Hint: see the right hand side of the chemical equation above) The chemical equation above is HKC8H4O4 + NaOH -------> NaKC8H4O4 + H2O…

What are the advantages of using Javascript-only versus using JQuery-only? I hav

What are the advantages of using Javascript-only versus using JQuery-only? I have limited experience with JavaScript and JQuery coding. I've added bits and snippets of each to HTM…

What are the advantages of using a solvent pair for recrystallization? Select al

What are the advantages of using a solvent pair for recrystallization? Select all that apply. What are the advantages of using a solvent pair for recrystallization? Select all tha…

What are the anode and cathode for these cells? Only question 28 and 29. I\'m ha

What are the anode and cathode for these cells? Only question 28 and 29. I'm having trouble knowing what is the anode and cathode and how to calculate e cell for the reaction!!! I…

What are the approximate bond angles around the C1? (Consider the question What

What are the approximate bond angles around the C1? (Consider the question What are the approximate bond angles around the C2 ? (Consider the question Which bond is more polar? De…

What are the atomic number and mass number for the fluorine isotope with 10 neut

What are the atomic number and mass number for the fluorine isotope with 10 neutrons? What the symbol for the fluorine isotope with 10 neutrons? How many protons and neutrons are …

What are the attractive forces that must be overcome to: a) boil silicon hydride

What are the attractive forces that must be overcome to: a) boil silicon hydride SiH,? 10) b) vaporize calcium chloride? c) dissolve Cl2 in carbon tetrachloride, CCl? d) boil wate…

What are the balanced equation,spectator ion, and net ionic equation of each Che

What are the balanced equation,spectator ion, and net ionic equation of each Chemical reaction? Magnesium reactions : A.) Magnesium and Hydrochloric Acid B.)Magnesium and Copper (…

What are the balanced equation,spectator ion, and net ionic equation of each Che

What are the balanced equation,spectator ion, and net ionic equation of each Chemical reaction? Magnesium reactions : A.) Magnesium and Hydrochloric Acid B.)Magnesium and Copper (…

What are the basic assumptions of the kinetic-molecular theory? Check all that a

What are the basic assumptions of the kinetic-molecular theory? Check all that apply. Check all that apply. Changing the identity of some gas molecules at constant temperature and…

What are the basis units of length, mass, volume, and temperature in the SI syst

What are the basis units of length, mass, volume, and temperature in the SI system? What decimal power do the following abbreviations represent (a) M, (b) k, (e) m, (d) n, and (e)…

What are the benefits and risks associated with fresh install vs. upgrade instal

What are the benefits and risks associated with fresh install vs. upgrade install? Is fresh install always better than upgrade? Discuss the concerns one may have when choosing bet…

What are the best dopants that are added to silicon as a means of creating a qua

What are the best dopants that are added to silicon as a means of creating a quality semiconductor? Elements with the same number of valence electrons as silicon. Elements that ar…

What are the best practices for designing a workflow for inviting users to a bet

What are the best practices for designing a workflow for inviting users to a beta website? This is not for any specific programming language. 2 main requirements are An interested…

What are the best practices for network security for an internal development env

What are the best practices for network security for an internal development environment. Besides adhering to updates, antivirus, and firewall. For instance, is it recommended to …

What are the biometric coefficients for the following reaction when it is balanc

What are the biometric coefficients for the following reaction when it is balanced? Any values of "I" are inlabel for clarity. How many moles of O2(g) are required to produce 3.00…

What are the biometric coefficients for the following reaction when it is balanc

What are the biometric coefficients for the following reaction when it is balanced? Any values of "I" are inlabel for clarity. How many moles of O2(g) are required to produce 3.00…

What are the boiling point and freezing point of a_5.47 = solution of naphthalen

What are the boiling point and freezing point of a_5.47 = solution of naphthalene in benzene? (The boiling point and freezing point of benzene are 80.1 degree C and 5.5 degree res…

What are the boiling points of the two products of the elimination reaction? 2-m

What are the boiling points of the two products of the elimination reaction? 2-methyl-l-butene: ____ degree C 2-methyl-2-butene: ____ degree C Imagine that you run a mixture of th…

What are the bond angles in BeCl_2? a. 180 degree b. 109 degree c. 120 degree d.

What are the bond angles in BeCl_2? a. 180 degree b. 109 degree c. 120 degree d. 90 degree e. not enough information What is the hybridization of the central atom information What…

What are the bond angles in the following molecular model of PCI_3? A) less than

What are the bond angles in the following molecular model of PCI_3? A) less than 109.5degree B) 109.5degree C) less than 120degree but greater than 109.5degree D) 120degree 21) A …

What are the central atoms in the following moleculesor polyatomic ions? Enter y

What are the central atoms in the following moleculesor polyatomic ions? Enter your answers as a sequence of symbols:for example CSePIO. Do not leave a space or put a comma betwee…

What are the chemical equations and net ionic equations for the following 6 reac

What are the chemical equations and net ionic equations for the following 6 reactions: KMnO4 + HsSO4 + FeSO4 --> KMnO4 + NaOH + K2C2O4 --> KMnO4 + H2SO4 + K2C2O4 --> K2Cr…

What are the chiral assignments of carbons 1 and 2? How many stereoisomers does

What are the chiral assignments of carbons 1 and 2? How many stereoisomers does 1,2-dibromocyclohexane have? (models may help!). trans-1,2-Dibromocyclohexane is represented by str…

What are the coefficients in front of Fe( s ) and O 3 ( g ) when the following e

What are the coefficients in front of Fe(s) and O3(g) when the following equation is balanced in a basic solution: ___ Fe(s) + ___ O3(g) %u2192 ___ Fe2O3(s) + ___ O2(g)? Answer is…

What are the coefficients of the reactants and products in the balanced equation

What are the coefficients of the reactants and products in the balanced equation above? Remember to include H_2 O(l) and H^+ (aq) in the appropriate blanks. Your answer should hav…

What are the common causes of fouling in a heat exchanger? How does fouling affe

What are the common causes of fouling in a heat exchanger? How does fouling affect heat transfer and pressure drop? A double-pipe heat exchanger is constructed of a copper (k= 381…

What are the common products of neutralization reactions? Ionic compounds. Gases

What are the common products of neutralization reactions? Ionic compounds. Gases and liquids. Water and a salt. Acids and bases. What is an electrolyte? a compound that dissolves …

What are the complete specifications that must be documented in order to ensure

What are the complete specifications that must be documented in order to ensure the correct execution of a particular program written in Java? For instance, if one were archiving …

What are the complete specifications that must be documented in order to ensure

What are the complete specifications that must be documented in order to ensure the correct execution of a particular program written in Java? For instance, if one were archiving …

What are the complete, total ionic and net-ionic equations for the reaction that

What are the complete, total ionic and net-ionic equations for the reaction that occurs when a beaker containing an aqueous solution of sulfuric acid is mixed with a beacker conta…

What are the concentrations of HSO4-, SO42-, and H+ in a 0.28 M KHSO4 solution?

What are the concentrations of HSO4-, SO42-, and H+ in a 0.28 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 multiplied by 10-2.)

What are the concentrations of HSO4-, SO42-, and H+ in a 0.28 M KHSO4 solution?

What are the concentrations of HSO4-, SO42-, and H+ in a 0.28 M KHSO4 solution? (Hint: H2SO4 is a strong acid; Ka for HSO4- = 1.3 multiplied by 10-2.)

What are the concentrations of OH Solution Ba(OH)2 -----> Ba2+ + 2OH- since in t

What are the concentrations of OH

What are the concentrations of OH Solution Chemistry: What are the concentration

What are the concentrations of OH

What are the concentrations of OH Solution Chemistry: What are the concentration

What are the concentrations of OH

What are the concentrations of OH- and H+ in a 0.00066 M solution of Ba(OH)2 at

What are the concentrations of OH- and H+ in a 0.00066 M solution of Ba(OH)2 at 25 degree C? Assume complete dissociation.

What are the concentrations of acetic acid (pKa = 4.76) and acetate in a buffer

What are the concentrations of acetic acid (pKa = 4.76) and acetate in a buffer solution of 0.15 M at pH 4.5? Enter your answer to two significant figures. (For example, 0.0090 an…

What are the concentrations of acetic acid (pKa = 4.76) and acetate in a buffer

          What are the concentrations of acetic acid (pKa = 4.76) and acetate in a buffer solution of 0.20 M at pH 4.9? Enter your answer to two significant figures. (For example,…