Chemistry concepts and calculations

if you answer all of these questions, i will give the most points chegg will let

if you answer all of these questions, i will give the most points chegg will let me, Calculate the standard free-energy change at 25 degree C for the following reaction: Mg(s)+Fe2…

if you are asked to wash banana oil with 5% sodium bicarbonate with a separatory

if you are asked to wash banana oil with 5% sodium bicarbonate with a separatory funnel, how would it effect your end results if the soudium bicarbonate wash wasn’t exactly 5%? Ho…

if you begin with 175 g of Pb(NO3)2 and 80 g of NaCl which is your limiting reac

if you begin with 175 g of Pb(NO3)2 and 80 g of NaCl which is your limiting reactant How many grams of PbCl2 can you make? What is the percent yield if you produce 127g of PbCl2 i…

if you calculate your first and second derivative and find your endpoint to be a

if you calculate your first and second derivative and find your endpoint to be at 16.16mL of 0.1052M NaOH, what is the molecular weight of your unknown acid if you weighed out 0.5…

if you can please help with explanations! I am studying for a test and want to m

if you can please help with explanations! I am studying for a test and want to make sure i undesrtsand! If we carry out a dehydration on alcohol at 120C in the presence of acid we…

if you could do 7.2 by hand please so i can see how its done the long way. thank

if you could do 7.2 by hand please so i can see how its done the long way. thanks Problem Set Solve the following problems using both the appropriate parametric and non- parametri…

if you could explain how you got your answer, that will be very much appreciated

if you could explain how you got your answer, that will be very much appreciated thanks! Suppose a student started with 129 mg of trans-cinnamic acid and 0.500 ml of a 10% (v/v) b…

if you could explain how you got your answer, that will be very much appreciated

if you could explain how you got your answer, that will be very much appreciated thanks! Suppose a student started with 129 mg of trans-cinnamic acid and 0.500 ml of a 10% (v/v) b…

if you had determined the density of your unknown liquid using only 1.00 ml of t

if you had determined the density of your unknown liquid using only 1.00 ml of the liquid would the density be the same? Do you think the result is more likely to be accurate usin…

if you have a saline solution which is 2.000# mass, and its density is 1.011 g/m

if you have a saline solution which is 2.000# mass, and its density is 1.011 g/ml, what is the molarity of Na+ in the solution? if you have a saline solution which is 2.000# mass,…

if you have a tank with a capacity of 25000 gallons and you fill it from the low

if you have a tank with a capacity of 25000 gallons and you fill it from the low level of 10% to the high level of 85%, how much time will it take pumping 2000 gallons per hour if…

if you have time can you help me #2 a b and c also? Homework Set #2 CHE-100 Igno

if you have time can you help me #2 a b and c also? Homework Set #2 CHE-100 Ignore all activity coefficients Due: January 17, 2017 1) You measure a concentration of dissolved s sp…

if you lived in Alaska which of the following natural gases would you keep in an

if you lived in Alaska which of the following natural gases would you keep in an outdoor storage tank in the winter? explain why methane (CH4) propane (C3H8) or butane (C4H10) if …

if you move an electron through an electric field, in which situation would your

if you move an electron through an electric field, in which situation would your work be negative? a. you move the electron in the direction of the electric field. b. you move the…

if you perform the substitution reaction we are doing in the next lab where 2-me

if you perform the substitution reaction we are doing in the next lab where 2-methyl-2-propanol reacts with 12M HCl to yield 2-chloro-2-methylpropane and water, and you measure ou…

if you performed they osmosis experiment using MgCl2 as the solute would the mol

if you performed they osmosis experiment using MgCl2 as the solute would the molar concentration of MgCl2 that is isotonic to the potato be higher, the same or lower than the mola…

if you start with 0.30 mol of Na and and 0.60 mol of N2, and if the actual yield

if you start with 0.30 mol of Na and and 0.60 mol of N2, and if the actual yield of Na3N is 6.05g, what is the percent yield? (Hint: balance the equation) Na(s)+N2(g)--> Na3N(s…

if you wanted to plate out solid Na metal in an electrolytic cell (anhydrous con

if you wanted to plate out solid Na metal in an electrolytic cell (anhydrous conditions6, how much Na would be played out if you applied a current of 8.00 Amperes for 584 sec? if …

if you were to react 120.15 mg of acetophenone (1.00 mmol) with 106.12 mg of ben

if you were to react 120.15 mg of acetophenone (1.00 mmol) with 106.12 mg of benzaldehyde (1.00 mmol), and the reaction proceeded in 100% yield, the mass of chalcone you would obt…

if you were to return your 97-106 C fraction to the empty boiling flask and redi

if you were to return your 97-106 C fraction to the empty boiling flask and redistill it, you might expect it all to distill between 97-106C as it did the first time. It actually …

if your front lawn is 19.0 feet wide and 20.0 feet long, and each square foot of

if your front lawn is 19.0 feet wide and 20.0 feet long, and each square foot of lawn accumulated 1150 new snow flakes every minute, how much snow (in kilograms) accumulated in yo…

iglumelptsRecovalentActivity.do?locatorassignment-take okmarks here on the bookm

iglumelptsRecovalentActivity.do?locatorassignment-take okmarks here on the bookmarks bar. Import bookmarks now... Use the References to access important values if needed for this …

ignment/tak assignment-take Use the References to access insportant values if ne

ignment/tak assignment-take Use the References to access insportant values if needed for this question For the following reaction, 15.7 grams of phosphorus (P) are allowed to reac…

ignment/takeCovalentActivity.do?locator-assignment-take&takeAssignmentSessionLoc

ignment/takeCovalentActivity.do?locator-assignment-take&takeAssignmentSessionLocator-assignment-t; 17 References INTERACTIVE EXAMPLE Determining Ka from the Solution pH A weak…

iiy needs you to help straighten Otmes, the contents of each of the six bottles

iiy needs you to help straighten Otmes, the contents of each of the six bottles are known. IUl Known is which bottles contain what. Consulting any resources available to yUD, dete…

ilaige in the energy of the 16.A university campus has 200 classrooms and 400 fa

ilaige in the energy of the 16.A university campus has 200 classrooms and 400 faculty offices. The c tubes, each consuming 110 W, including the electricity used by the ballasts. T…

ile attached Write a program that reads data about peoplefrom a file. You are su

ile attached Write a program that reads data about peoplefrom a file. You are supposed tooeate aquickdata fiefortesting purposes yourself which has the ainclude estdio.hy followin…

ilil Names and formulas of fomle compounds and their parent resulting from the p

ilil Names and formulas of fomle compounds and their parent resulting from the presence of ions. Most ions composed of two colorless ions appear white. Sodium chloride e is turquo…

ill Verizon 5:22 PM * 59% a session.masteringchemistry.com C Quiz 4 Item 9 9of 1

ill Verizon 5:22 PM * 59% a session.masteringchemistry.com C Quiz 4 Item 9 9of 12 The complete combustion of octane, CHis, a component of gasoline, proceeds as follows: 2CsHis(1) …

ill Verizon LTE 11:52 AM * 96%. Quiz 4: Attempt 1 Rhodamine G is a popular fluor

ill Verizon LTE 11:52 AM * 96%. Quiz 4: Attempt 1 Rhodamine G is a popular fluorescent tag and it absorbs light at 475 nm. A series of fluorescence emission experiments were perfo…

ilr nyuloxiue solution before it is 4. What purpose does the indicator, phenolph

ilr nyuloxiue solution before it is 4. What purpose does the indicator, phenolphthalein, serve in the titration? 5. What are equivalence points and end points and how do they diff…

ilrn/takeAssi ignment/takeCovalentActivity.do?locator-assignment-take&takeAssign

ilrn/takeAssi ignment/takeCovalentActivity.do?locator-assignment-take&takeAssignmentSessi; Use the References to access impertant values if needed for this Zine metal reacts w…

ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take&takeAssignme

ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take&takeAssignmentSessionLocator;= assignment-take Identify the functional groups in the following molecules. (…

ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take&takeAssignme

ilrn/takeAssignment/takeCovalentActivity.do?locator-assignment-take&takeAssignmentSessionLocator;= assignment-take Identify the functional groups in the following molecules. (…

ilsly SRil: Using Concentration as a Conversion Factor 30 g NaCl 100 g 100 g NaC

ilsly SRil: Using Concentration as a Conversion Factor 30 g NaCl 100 g 100 g NaCl 30 g solution lution 100 mL solution 5.0 mol HBr 1 L solution 8 mL ethanol 1 Concentration Given …

im confused. What is the objective of this? This lab will provide information on

im confused. What is the objective of this? This lab will provide information on how to prepare a buffer of a desired pH and concentration. Observations will be done on how buffer…

im currently trying to create a multithread program where I create 3 threads(bes

im currently trying to create a multithread program where I create 3 threads(besides the main thread) and assign each a similar task. The task being to read an array of numbers an…

im debating between C and D. Only reply if you can back up ur answer Which state

im debating between C and D. Only reply if you can back up ur answer Which statement best describes the primary limitation of oxidation state (or oxidation number)? a)In molecules…

im having a hard time constructing the original formula for this question please

im having a hard time constructing the original formula for this question please help me with clear explanation Half Reaction Ag (aq) e Ag(s) AgBr(s) e Ag (s) Br (aq) Aus (aq) 3e-…

im having hard time with questions 3-6 this is a prelap concerning 5 kinds of pl

im having hard time with questions 3-6 this is a prelap concerning 5 kinds of plastic PETE HDPE PVC PP PS that the text index shows PVC uhder t 3. Of the five chemical types of re…

im having hard time with questions 3-6 this is a prelap concerning 5 kinds of pl

im having hard time with questions 3-6 this is a prelap concerning 5 kinds of plastic PETE HDPE PVC PP PS that the text index shows PVC uhder t 3. Of the five chemical types of re…

im stuck on a few test review questions 1) A red laser pointer emits light with

im stuck on a few test review questions 1) A red laser pointer emits light with a wavelength of 640 nm . What is the frequency of this light? answer is in s^-1 2) What is the ener…

im stuck on a few test review questions 1) A red laser pointer emits light with

im stuck on a few test review questions 1) A red laser pointer emits light with a wavelength of 640 nm . What is the frequency of this light? answer is in s^-1 2) What is the ener…

im super confused with this problem and I don\'t even know if im doing this corr

im super confused with this problem and I don't even know if im doing this correctly. Please explain to me how to solve this problem step by step. I have also provided my work. Pl…

im sure one is bromothymol blue, however im not sure if the other indicator is b

im sure one is bromothymol blue, however im not sure if the other indicator is bromocresol purple or cresol red. the pH of HCl and NaOH is 7 and the pH of acetic acid with NaOH is…

im sure one is bromothymol blue, however im not sure if the other indicator is b

im sure one is bromothymol blue, however im not sure if the other indicator is bromocresol purple or cresol red. the pH of HCl and NaOH is 7 and the pH of acetic acid with NaOH is…

im trying to make a method where the user is asked to type in the student id and

im trying to make a method where the user is asked to type in the student id and if the student id matches a students id in the StudentArray then that student will get added into …

im witing this java code but i really need help with the removeredundancies and

im witing this java code but i really need help with the removeredundancies and the getindex method. could someone please give me some hint and examples if possible thank you so m…

im working on \" iodine clock reaction lab\" for chem and right now i\'m suppose

im working on " iodine clock reaction lab" for chem and right now i'm suppose to figure out KIO3 concentration the KIO3 bottle said it has 4.3g of KIO3 with 1L of vol. so, in my c…

im? 1. Naing tht (lodine) is less electronegative than Br, in the addition 1-Br

im? 1. Naing tht (lodine) is less electronegative than Br, in the addition 1-Br to alkones, the iodine (1) atom functions as a(n) A. electrophile B. nucleophile C. Lewis base D. c…