Chemistry concepts and calculations

sulide occurs via the following reaction 6 (24 points) The decomposition of hydr

sulide occurs via the following reaction 6 (24 points) The decomposition of hydrogen At a temperature of 1065 C, this reaction doecs not go to completion of H,S is put into a 50o.…

suming that the chloride and cesium ions touch along diagonal of the cubic unit

suming that the chloride and cesium ions touch along diagonal of the cubic unit cell, calculate the distance between the centers of adjacent Cs^+ and Cl^- ions in the solid. Compa…

super easy points Aldehydes and Ketones Classify each molecule as an aldehyde, k

super easy points Aldehydes and Ketones Classify each molecule as an aldehyde, ketone, or neither. Drag the appropriate molecules to their respective bins. Draw the aldehyde produ…

super stuck on this question. please include all equations and steps.. really st

super stuck on this question. please include all equations and steps.. really struggling with this chapter in general.. A 5.83 kg block located on a horizontal floor is pulled by …

suppose 1.00 mol of ice at -30.0c is heated at ... Question Suppose 1.00 mol of

suppose 1.00 mol of ice at -30.0c is heated at ... Question Suppose 1.00 mol of ice at -30.0C is heated at atmospheric pressure until it is converted to steam at 140.C. Calculated…

suppose 10.0 mL of the solution in the previous question was extracted with 10 m

suppose 10.0 mL of the solution in the previous question was extracted with 10 mL of methylene chloride. After extraction, the aqueous layer gave an absorbance of 0.37. Using the …

suppose a Carnot engine has 1.00 mil of an ideal gas as its working fluid. it ab

suppose a Carnot engine has 1.00 mil of an ideal gas as its working fluid. it absorbs heat at 900k and gives up heat at 300k. the pressure at the start of the high temperature, is…

suppose a cobalt atom in the +3 oxidation state formed a complex with two bromid

suppose a cobalt atom in the +3 oxidation state formed a complex with two bromide (Br-) anions and four ammonia (NH3) molecules. write the chemical formula of this complex. suppos…

suppose an industrial control chemist analyzes a sample from a copper One way in

suppose an industrial control chemist analyzes a sample from a copper One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains cop…

suppose group of volunteers is planning on building a park near a local lake the

suppose group of volunteers is planning on building a park near a local lake the lake is known to measure low levels of As therefore prior to starting construction the group decid…

suppose that 4.00 mol of N 2 O 4(g) is injectedinto a 1.00L container at 55 o C

suppose that 4.00 mol of N2O4(g) is injectedinto a 1.00L container at 55oC and the followingreaction proceeds toward equilibrium: 2NO2(g)       <----------->       N2O4(g)  …

suppose that for the preparation of the stuck solution of borax, the solid borax

suppose that for the preparation of the stuck solution of borax, the solid borax reagent is contaminated with a water-soluble substance that does not react with hydrochloric acid …

suppose that you discovered some materail from anotehruniverse that obeyed the f

suppose that you discovered some materail from anotehruniverse that obeyed the following restrictions on quantumnumbers n>0 , l +1<n , ml= +1 or -1 , ms=+1/2 assume that Hun…

suppose the balanced chemical equation in Question (is: where: a, b, c, and d ar

suppose the balanced chemical equation in Question (is: where: a, b, c, and d are stoichiometric coefficients for each compound. Question: At the end point of ascorbic acid titrat…

suppose there is a language that has only the letters a and b. the frequency of

suppose there is a language that has only the letters a and b. the frequency of the letter a is .1 and the frequency of b is .9. a message is encrypted using a vigenere cipher( mo…

suppose we are given the following experimentally observed facts regarding the r

suppose we are given the following experimentally observed facts regarding the reactions of silver ion. a) Ag^+ reacts with Cl^- to give white AgCl(s). b) Ag^+ reacts with ammonia…

suppose we are given the following experimentally observed facts regarding the r

suppose we are given the following experimentally observed facts regarding the reactions of silver ion. a) Ag^+ reacts with Cl^- to give white AgCl(s). b) Ag^+ reacts with ammonia…

suppose you had an experimental error of 10% in your measurement of calcium ioda

suppose you had an experimental error of 10% in your measurement of calcium iodates molar solubility. would the percent error in your Ksp be less than, more than or equal to 10% d…

suppose you had separated the A and B chains of insulin by disulfide reduction.

suppose you had separated the A and B chains of insulin by disulfide reduction. Part A. what chromatographic method should make it possible to isolate pure A and B chains? 1. ion …

suppose you have a solution that might contain any or all of the following catio

suppose you have a solution that might contain any or all of the following cations: Cu2+, Ag+, Ba2+, and Mn2+. the addition of HBr causes a precipitate to form. After the precipit…

suppose you have a solution that might contain any or all of the following catio

suppose you have a solution that might contain any or all of the following cations: Cu2+, Ag+, Ba2+, and Mn2+. the addition of HBr causes a precipitate to form. After the precipit…

suppose you have an alkaline buffer consisting of 0.2 M aq ammonia 0.1M ammonium

suppose you have an alkaline buffer consisting of 0.2 M aq ammonia 0.1M ammonium chloride. What is the pH of the solution ****calculate the pH of a 0.5M solution of KCN. ****how d…

suppose you want to analyze the amount of ag+ ion in water. one of the ways to d

suppose you want to analyze the amount of ag+ ion in water. one of the ways to do that is by adding a salt into the water sample that may lead to the formation of a precipitation.…

suppose you were given a sample of iodine crystals, a sampleof antimony, and a s

suppose you were given a sample of iodine crystals, a sampleof antimony, and a sample of mixture of iodine and antimony thathad been ground together to form a fine powder of unifo…

suppose you were instructed to add 0.2 mL of sample to 9.8 mL dilutent, but inst

suppose you were instructed to add 0.2 mL of sample to 9.8 mL dilutent, but instead added 2.0mL sample. What was the intended dilution and what was the actual dilution? Please lab…

sure to aniswer all parts. The vapor pressure of ethanol (C,H,OH) at 20 C is 44

sure to aniswer all parts. The vapor pressure of ethanol (C,H,OH) at 20 C is 44 mmi methanol (CH3OH) at the same te and 43.1 g of ethanol is prepared and can be assumed to behave …

sure your diagram on the previous page matches this diagram wire Zn Anode Cathod

sure your diagram on the previous page matches this diagram wire Zn Anode Cathode sat bridge Cu.. An electrochenical cell of the reaction What would you observe as this reaction i…

surface, the tolerance may be ( Part II, Answer Questions (8 x3-24 Marks) 38. A

surface, the tolerance may be ( Part II, Answer Questions (8 x3-24 Marks) 38. A round bot-rolled bar with an sneven oxidized layer is being machined on a lathe. Would you ? 39. Pl…

surface_area.cpp Write a program that computes the surface area of a rectangular

surface_area.cpp Write a program that computes the surface area of a rectangular solid. Your program should prompt the user to input the length, width, and depth of a rectangular …

susceptible to thermal degradation during processing, therefore, thermal stabili

susceptible to thermal degradation during processing, therefore, thermal stabilizers a igure helow shows dehydrochlorination of PVC and further reaction between HC 11. PVC is need…

sworduin leave the fie ve the field blank) 8. What is the most likely product of

sworduin leave the fie ve the field blank) 8. What is the most likely product of the following set of reactions? 3. CO OH d.IV e.V 9. The following is the product of an intramolec…

synthesis and identification Carboxylic Acids and Esters OBSERVATIONS AND RESULT

synthesis and identification Carboxylic Acids and Esters OBSERVATIONS AND RESULTS 1. Synthesis and Identification of an Ester: Esterification a. Give the name and structure of the…

synthesis of 1- bromobutane dissolve 1.33 g sodium bromide in 1.5 mL distilled w

synthesis of 1- bromobutane dissolve 1.33 g sodium bromide in 1.5 mL distilled water, using a stir bar. Add 0.80 g 1-butanol. Place water-condenser on round bottom flask. Turn on …

synthesis of 1-phenyl-l,3,5-hexanetrione; a crossed claisen condensation using a

synthesis of 1-phenyl-l,3,5-hexanetrione; a crossed claisen condensation using a trianion introduction: using you class text (bruice), write a general description of the preparati…

synthesis of cyclohexanone from cyclohexanol Procedure is as follows Also what i

synthesis of cyclohexanone from cyclohexanol Procedure is as follows Also what is the limiting reagent? SYNTHESIS OF CYCLUHEXANONE Sodiom (C OH on Na2Cr20 (n H2SOA chanism Cylcohe…

synthesis of quinone benzamide this is the question thus is what I have so far,

synthesis of quinone benzamide this is the question thus is what I have so far, my professor said I'm the right track but I am not using the right reagents at the right time. i po…

system has energies E. E. and e, The ate, at energy E is sinsly degenerate, the

system has energies E. E. and e, The ate, at energy E is sinsly degenerate, the first 41. In the datal shown below for the sublimation of G, is triply degenerate, and the erized b…

system with more possible arrangements for the molecules will have a higher entr

system with more possible arrangements for the molecules will have a higher entropy. The number of possible arrangements increases with the number of moles of gas. When a reaction…

t #2 Electrophilic Aromatic Substitution: Nitration of Methyl Benzoate In the pr

t #2 Electrophilic Aromatic Substitution: Nitration of Methyl Benzoate In the present experiment, you will synthesize methyl nitrobenzoate by an electrophilic aromatic substitutio…

t &t; Buffers on pH Do all of the buffer solutions show the same change in the s

t &t; Buffers on pH Do all of the buffer solutions show the same change in the same change in pli on the addition of an identical 5. 6. What buffering capacity ratio provides …

t (s) [A] (M) In[A] 1/[A] 0.00 0.500 -0.693 2.00 20.0 0.389 -0.944 2.57 40.0 0.3

t (s) [A] (M) In[A] 1/[A] 0.00 0.500 -0.693 2.00 20.0 0.389 -0.944 2.57 40.0 0.303 -1.19 3.30 60.0 0.236 -1.44 4.24 80.0 0.184 -1.69 5.43 This is a first order reaction, What isth…

t 013 points Previous Answers FOLLOW-UP PROBLM 5.9 Applying Dalton\'s Law of Par

t 013 points Previous Answers FOLLOW-UP PROBLM 5.9 Applying Dalton's Law of Partial Pressures To prevent the presence of air, noble gases are placed over highly reactive chemicals…

t 10 bar and 179.9 C, these are the properties of liquid water (vapor water): mo

t 10 bar and 179.9 C, these are the properties of liquid water (vapor water): molar volume of 0.001127 (0.1943) m^3/kg, internal energy of 761.5 (2581.9) kJ/kg, and enthalpy of 76…

t 10 bar and 179.9 C, these are the properties of liquid water (vapor water): mo

t 10 bar and 179.9 C, these are the properties of liquid water (vapor water): molar volume of 0.001127 (0.1943) m^3/kg, internal energy of 761.5 (2581.9) kJ/kg, and enthalpy of 76…

t 46% 3:18 PM facweb.northseattle.edu ..il Sprint CUT HERE Procedure I) NaCI (s)

t 46% 3:18 PM facweb.northseattle.edu ..il Sprint CUT HERE Procedure I) NaCI (s) Bà Na+ (aq) Ci- (aq) (1) Add few drops of conc. HCI to 2 to 3 mL of saturated NaCI solution. AAWha…

t 57% Mon 11:09 AM Q. E Chrome Ed View History Bookmarks Window Help File Utah S

t 57% Mon 11:09 AM Q. E Chrome Ed View History Bookmarks Window Help File Utah State University che x e www.saplinglearning.com x take computer screenshot ibiscms/mod/ibis /view.p…

t 7 Exam (Due Dale Friday, November 17th at 11:59 p.m.) Unit 7 Exam (Fall 2017)-

t 7 Exam (Due Dale Friday, November 17th at 11:59 p.m.) Unit 7 Exam (Fall 2017)- Requires Respondus LockDown Browses + Wet what s the har inte, in seconds (s). of a tirst order re…

t 9 Investigation into the Solubility of lonic Compounds in Water 3. Complete Ta

t 9 Investigation into the Solubility of lonic Compounds in Water 3. Complete Table 9.1 below in your lab notebook. In order to have more space to write you will likely want large…

t Applying the Collision Model In the collision model it is assumed that reactio

t Applying the Collision Model In the collision model it is assumed that reactions occur as a result of collisions between molecules with the correct kinetic energy and orientatio…

t Calculating Equilibrium Constants The equilibrium constant, K, of a reaction a

t Calculating Equilibrium Constants The equilibrium constant, K, of a reaction at a particular temperature is determined by the concentrations or pressures of the reactants and pr…