Chemistry concepts and calculations

#1. What is the coefficient of Fe2+ when the following redox equation is balance

#1. What is the coefficient of Fe2+ when the following redox equation is balanced? Fe2+ (aq) + MnO4

#1. What is the coefficient of Fe2+ when the following redox equation is balance

#1. What is the coefficient of Fe2+ when the following redox equation is balanced? Fe2+ (aq) + MnO4

#1. What is the coefficient of Fe2+ when the following redox equation is balance

#1. What is the coefficient of Fe2+ when the following redox equation is balanced? Fe2+ (aq) + MnO4

#1. What is the coefficient of Fe2+ when the following redox equation is balance

#1. What is the coefficient of Fe2+ when the following redox equation is balanced? Fe2+ (aq) + MnO4

#1. What is the coefficient of Fe2+ when the following redox equation is balance

#1. What is the coefficient of Fe2+ when the following redox equation is balanced? Fe2+ (aq) + MnO4

#1. What is the coefficient of Fe2+ when the following redox equation is balance

#1. What is the coefficient of Fe2+ when the following redox equation is balanced? Fe2+ (aq) + MnO4

#1. Which of the following statements is incorrect? a.) Chelating agents are pol

#1. Which of the following statements is incorrect? a.) Chelating agents are polydentate ligands that can share 2 or more electron pairs with the central metal ion. b.) Complexes …

#10 I need the answer in detailed steps ans explanations A particle of spin 1 an

#10 I need the answer in detailed steps ans explanations A particle of spin 1 and a particle of spin 2 are at rest in a configuration such that the total spin is 3, and its z-comp…

#11 please ombustion experiments can take a considerable length of time. Click t

#11 please ombustion experiments can take a considerable length of time. Click the clock on the w ht Calorimeter: (1) the cup on t J) the screw cap, and (4) the bomb. Click the ca…

#11 please ombustion experiments can take a considerable length of time. Click t

#11 please ombustion experiments can take a considerable length of time. Click the clock on the w ht Calorimeter: (1) the cup on t J) the screw cap, and (4) the bomb. Click the ca…

#12 please show work thank you. e the amount 20.0 grams otiteamat g. Determine t

#12 please show work thank you. e the amount 20.0 grams otiteamat g. Determine the amount of heat must be removed from 200 oms of team ca 100.00C to become that water at 20.0pC 10…

#13 A) A buffer solution contains 0.378 M ammonium bromide and 0.411 M ammonia .

#13 A) A buffer solution contains 0.378 M ammonium bromide and 0.411 M ammonia. If 0.0359 moles of hydroiodic acid are added to 150 ml of this buffer, what is the pH of the result…

#13 Lewinds are neutralmolecules or ions that coordinately ewis acid-base intera

#13 Lewinds are neutralmolecules or ions that coordinately ewis acid-base interaction Lewis Acid Electron Pair acceptor Lewis Base Electron Pair donor pair of electrons that it ca…

#13 please. Please show work and why? Thank you. Determine the amount of heat th

#13 please. Please show work and why? Thank you. Determine the amount of heat that must be removed from 2000 grams at steam at 9 become water at 20.0oC. o. How much heat is requir…

#14 14. A solution of sodium oxalate, Na,C,O, is titrated with KMnO, and the red

#14 14. A solution of sodium oxalate, Na,C,O, is titrated with KMnO, and the redox reaction shown be- low occurs. If0.2482 g of Na,C,O, is dissolved in water and titrated with 23.…

#14 14. A solution of sodium oxalate, Na,C,O, is titrated with KMnO, and the red

#14 14. A solution of sodium oxalate, Na,C,O, is titrated with KMnO, and the redox reaction shown be- low occurs. If0.2482 g of Na,C,O, is dissolved in water and titrated with 23.…

#15 only Designing an Experiment: Chem. 1010 Lab D01 A. Remember, as one of the

#15 only Designing an Experiment: Chem. 1010 Lab D01 A. Remember, as one of the first steps in planning your investigation, you may need to narrow your original question. B. Then …

#19. An unkown diprotic acid requires 44.39ml of 0.111M NaOH to completely neutr

#19. An unkown diprotic acid requires 44.39ml of 0.111M NaOH to completely neutraluze a 0.580g sample. Calculate the approximate molar mass of the acid. 20# given the equation 2KC…

#195 of Stereochemical R11 enelyne What is the expected major product arising fr

#195 of Stereochemical R11 enelyne What is the expected major product arising from the reaction of (1R 22-2-cyclodecenol with sodium dichromate and sulfuric acid Select one a (IR)…

#1a... A solution is saturated with H 2 S at a concentration of 0.10 M, and is 4

#1a... A solution is saturated with H2S at a concentration of 0.10 M, and is 4.0 × 104 M in each of the metal cations: Mn2+, Fe2+, Ni2+, Co2+, and Zn2+. Under these conditions, wh…

#2 ****USE YOUR OWN WORD****USE YOUR OWN WORD****USE YOUR OWN WORD*****USE YOUR

#2 ****USE YOUR OWN WORD****USE YOUR OWN WORD****USE YOUR OWN WORD*****USE YOUR OWN WORD**** ****Please don't upload a photo for answers, thanks ****Answer all question or don't a…

#2 Design and implement a Name pairs class(or struct) holding (name,age) pairs w

#2 Design and implement a Name pairs class(or struct) holding (name,age) pairs where name is a string and age is a double. Represent that as a vector (called name) and a vector (c…

#2 WASTE DISPOSAL When all the experimental data has containing the been recorde

#2 WASTE DISPOSAL When all the experimental data has containing the been recorded on the data sheet the NaOH solution mortar and pestle containing the residual petroleum ether and…

#2, why do we not perform a simple distillation on lemon grass oil at atmospheri

#2, why do we not perform a simple distillation on lemon grass oil at atmospheric pressure to separate the components? What's the advantage of steam distillation? Can you imagine …

#2- d,e,f #3 Explain how solubility tests could be used to differentiate between

#2- d,e,f #3 Explain how solubility tests could be used to differentiate between: a phenol and a carboxylic acid. a phenol that contains electron-withdrawing groups and a phenol t…

#2. Assume that your new temperature scale is based on ammonia, NH3. On the Cels

#2. Assume that your new temperature scale is based on ammonia, NH3. On the Celsius scale, ammonia has a melting point of -77.7?C and a boiling point of -33.4?C, but on your new s…

#2. Which situations represent equilibrium? ____________________ a. Migratory bi

#2. Which situations represent equilibrium? ____________________       a. Migratory birds fly north in summer & south in winter       b. Cooking a stew, water in the stew vapo…

#2.48 Alright so that is the problem , and the second picture is the solution, w

#2.48 Alright so that is the problem , and the second picture is the solution, why is there a singlet when the multiplicity of the hydroxyl group should be n+1=3, is this just a t…

#20 Use any of the following JAVA ListInterface methods to answer the question b

#20 Use any of the following JAVA ListInterface methods to answer the question below. Note that toArray is not listed and should not be used in your solution. public boolean add(T…

#20.7 Avoltaic cell is constructed using the reaction of chromium metal and iron

#20.7 Avoltaic cell is constructed using the reaction of chromium metal and iron(II) ions. Complete the following sentences: Electrons in the external circuit fow to the electrode…

#22 The temperature for each solution is carried out at approximately 297 K wher

#22 The temperature for each solution is carried out at approximately 297 K where Kw=1.00×1014. Part A 0.20 g of hydrogen chloride (HCl) is dissolved in water to make 4.0 L  of so…

#22 The temperature for each solution is carried out at approximately 297 K wher

#22 The temperature for each solution is carried out at approximately 297 K where Kw=1.00×1014. Part A 0.20 g of hydrogen chloride (HCl) is dissolved in water to make 4.0 L  of so…

#25 A 10.86 mol sample of krypton gas is maintained in a 0.7529 L container at 2

#25 A 10.86 mol sample of krypton gas is maintained in a 0.7529 L container at 296.3 K. What is the pressure in atm calculated using the van der Waals' equation for Kr gas under t…

#25 and #26. I need to know the formulas used in both problems! 5. Morphine (Mrp

#25 and #26. I need to know the formulas used in both problems! 5. Morphine (Mrph). a weak buse, is very effective at elieving intense pain Caleudate the pt ot a weak buse, is ver…

#25 and #26. I need to know the formulas used in both problems! 5. Morphine (Mrp

#25 and #26. I need to know the formulas used in both problems! 5. Morphine (Mrph). a weak buse, is very effective at elieving intense pain Caleudate the pt ot a weak buse, is ver…

#26 I know the answer for it but im not sure of how or why? + Automatic Zoom - a

#26 I know the answer for it but im not sure of how or why? + Automatic Zoom - a acompound. b. an electrolyte. c. a solution. e. a mess. Concentrated sulfuric acid contains 4 g of…

#27 Molarity You need to make an aqueous solution of 0.241 M ammonium phosphate

#27 Molarity You need to make an aqueous solution of 0.241 M ammonium phosphate for an experiment in lab, using a 125 mL volumetric flask. How much solid ammonium phosphate should…

#29 Of the following acids, _____ is a strong acid. A) HNO_2 B) H_ 2CO_3 C) HCIO

#29 Of the following acids, _____ is a strong acid. A) HNO_2 B) H_ 2CO_3 C) HCIO D) HF E) HBrO_3 Of the acids in the table below, _____ is the strongest acid. A) HCIO B) HOAc and …

#29. Magnesium oxide can be made by heating magnesium metal in the presence of t

#29. Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The balanced equation for the reaction is 2Mg(s)+O2(g)?2MgO(s) When 10.2 g Mg is allowed…

#2: In the reaction: 2H2O(l) H3O^+(aq) + OH^-(aq) the conjugate acid-base pai

#2: In the reaction: 2H2O(l)<=> H3O^+(aq) + OH^-(aq) the conjugate acid-base pairs are A)pair 1: H2O and H2O; pair 2: H3O^+ and OH^- B) pair 1: H3O^+ and OH^-; pair 2: H3O^+…

#3 ?Bronsted-Lowry Acids and Bases: Predicting the qualitative acid-base propert

#3 ?Bronsted-Lowry Acids and Bases: Predicting the qualitative acid-base properties of salts No description necessary **I only need the ranking of the pH** I have a few of these s…

#3 Ethyl acetate can be formed by the vapor-phase esterification of acetic acid

#3 Ethyl acetate can be formed by the vapor-phase esterification of acetic acid and ethanol. This reaction was studied using a catalyst and found to be first order in ethanol and …

#3 Local groundwater has been contaminated with three industrial solvents, we wi

#3 Local groundwater has been contaminated with three industrial solvents, we wish to treat 1500 gpm of the water using air stripping in a column with 10 stages. What is your reco…

#3 Points possible: 3. Total attempts: 0 In Part C, you evaluated the reaction A

#3 Points possible: 3. Total attempts: 0 In Part C, you evaluated the reaction A+B C The following results were obtained. Indicate what the exponents are for this rate law Rate (M…

#3 and 4 Pbso4(s) 2e--, Pb(s) so42- E0- -0.350 diluted Zn2+ 2e- E0 0.763V condit

#3 and 4 Pbso4(s) 2e--, Pb(s) so42- E0- -0.350 diluted Zn2+ 2e- E0 0.763V conditions and form Zn(s) certain reductor to 3. A 2.16 g sample containing both Fe and v was dissolved t…

#3) For each of the following IR spectra (1-5) there is a choice of three possib

#3) For each of the following IR spectra (1-5) there is a choice of three possible types of compounds. For each spectrum, choose the most appropriate class of com- pound. Explain …

#3. 1) write the chemical equation for the reaction that occurs when you add NaO

#3. 1) write the chemical equation for the reaction that occurs when you add NaOH solution to a CH3CO2H/NaCH3CO2 buffer solution 2) write the chemical equation for the reaction th…

#3. 1) write the chemical equation for the reaction that occurs when you add NaO

#3. 1) write the chemical equation for the reaction that occurs when you add NaOH solution to a CH3CO2H/NaCH3CO2 buffer solution 2) write the chemical equation for the reaction th…

#31 42He+27/13Al?+10 n #32 Phosphorus-32 has a half-life of 14.0 days. Starting

#31 42He+27/13Al?+10n #32 Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 32P, how many grams will remain after 84.0 days ? Express your answer numerically in …

#38. When solutions of silver nitrate and magnesium chloride are mixed, silver c

#38. When solutions of silver nitrate and magnesium chloride are mixed, silver chloride precipitates out of solution according to the equation 2AgNO3(aq)+MgCl2(aq)2AgCl(s)+Mg(NO3)…