Chemistry concepts and calculations

please help with both parts of the question :) A reaction of importance in the f

please help with both parts of the question :) A reaction of importance in the formation of smog is that between ozone and nitrogen monoxide described by O_3 (g) + NO(g) rightarro…

please help with both questions if possible! DIRECTIONS: Please complete the fol

please help with both questions if possible! DIRECTIONS: Please complete the following questions on separate paper and staple them to this sheet Turn in your work at the beginning…

please help with highlighted portion v1.56-2.00-r A positive number (1.56) has a

please help with highlighted portion v1.56-2.00-r A positive number (1.56) has a positive and a negative root, b ny chemical meaning, so we ignore the neg this case, only the ot: …

please help with instrumental analysis question part a and b. thank you! 6a. In

please help with instrumental analysis question part a and b. thank you! 6a. In an ion chromatographic separation, what would be the order of retention for the ions Li+ (aq),     …

please help with limiting reagent and theoretical yield. Not sure if I did it co

please help with limiting reagent and theoretical yield. Not sure if I did it correctly. I thought the theoretical yield is the product moles * mw of product. is the limiting reag…

please help with my homework 1. for each of the following examples, predict whet

please help with my homework 1. for each of the following examples, predict whether entroph increases, decreases or stays the same. Briefly justify your prediction a.H2O(l)-----H2…

please help with part B (a) Assume that you have a solution of an unknown solute

please help with part B (a) Assume that you have a solution of an unknown solute inCyclohexane. If the solution has freezing point depression of9.50 C , what is the Molality of th…

please help with parts a, b, c, d and e Write the equation for 3-D transient gro

please help with parts a, b, c, d and e Write the equation for 3-D transient groundwater flow, given heterogeneity and anisotropy. Describe all variables and their units. How does…

please help with question 1 and 2. section name Post-Laboratory Questions 1. The

please help with question 1 and 2. section name Post-Laboratory Questions 1. The solubility of benzoic acid in water is 6.80 g per 100 mL at 100 C and 0.34 g per 100 mL at 25 °C. …

please help with question 1 and 2. section name Post-Laboratory Questions 1. The

please help with question 1 and 2. section name Post-Laboratory Questions 1. The solubility of benzoic acid in water is 6.80 g per 100 mL at 100 C and 0.34 g per 100 mL at 25 °C. …

please help with questions 1 and 2 Question 1: Which of the two fuels below shou

please help with questions 1 and 2 Question 1: Which of the two fuels below should have a higher octane rating? Please explain. (a) octane (CH30H2CH20H2CH2CH20H2CH3) or 2.3,3 trim…

please help with questions 2 and 4... the lab is Determining the Molar Mass of a

please help with questions 2 and 4... the lab is Determining the Molar Mass of a Volatile Liquid 'Questa ianym 217 corrects for these Waals equation, a modification of the Ideal G…

please help with questions 8 9 10 and 11 please.... D) effective nuclear H) 9 Pl

please help with questions 8 9 10 and 11 please.... D) effective nuclear H) 9 Please answer bth Part A and Part B Eash part a worth 2 points PART A What is the electron confgurati…

please help with questions A, B, and C. For the following balanced chemical equa

please help with questions A, B, and C. For the following balanced chemical equation, calculate how many moles of products would be produced if 0 949 mol of the first reactant wer…

please help with section 4, question a. 4. Lake Tahoe has an approximate volume

please help with section 4, question a. 4. Lake Tahoe has an approximate volume of 36 cubic miles. Assuming density of water is 1.00g/cm and that every molecule of water has two h…

please help with the first sheet. the second one is the experimental report data

please help with the first sheet. the second one is the experimental report data sheet, just in case any info is needed from there to answer the questions. thanx!! CHEM 182: Exper…

please help with the questions in the picture. thank you ing the potential acros

please help with the questions in the picture. thank you ing the potential across a given capacitor causes the energy stored in that capacitor 13) to A) quadruple. C) reduce to on…

please help with the questions in the picture. thank you. Figure 19-1 +Q +0 20)

please help with the questions in the picture. thank you. Figure 19-1 +Q +0 20) Three equal charges are at three of the corners of a square of side d. A fourth charge of equal 20)…

please help with these 2 problems, thank you usphab tab group, d -2-18 rl=%2Fweb

please help with these 2 problems, thank you usphab tab group, d -2-18 rl=%2Fwebapps%2Fblack board TY OF NEBRASKA KEARNEY munity Content Collection Student Help UNK Library 2Fexec…

please help with these 3 questions Show by a balanced equation how each of the f

please help with these 3 questions Show by a balanced equation how each of the following salts, if any, is hydrolyzed by water, then tell which salt would give an acidic, basic, o…

please help with these 3 questions akeC ors 2req Use the References to acress im

please help with these 3 questions akeC ors 2req Use the References to acress important values if needed fer this uestion. Consider the following reaction where Ke-1.29 10 at 600 …

please help with these 3 questions akeC ors 2req Use the References to acress im

please help with these 3 questions akeC ors 2req Use the References to acress important values if needed fer this uestion. Consider the following reaction where Ke-1.29 10 at 600 …

please help with these chemistry questions! 1. A piece of (specifie capacity -04

please help with these chemistry questions! 1. A piece of (specifie capacity -0452 J g i C i) with a mass of 54.3218 g is laeated water bath until it reaches a perature of 98.2 C.…

please help with these dilution problems! It would be great if you could show th

please help with these dilution problems! It would be great if you could show the work so I can understand how to do them. 1. Make a 75mg/dl solution using a 450mg/dl stock soluti…

please help with these dilution problems! It would be great if you could show th

please help with these dilution problems! It would be great if you could show the work so I can understand how to do them. 1. Make a 75mg/dl solution using a 450mg/dl stock soluti…

please help with these organic chemistry review problems! 1. How many signals yo

please help with these organic chemistry review problems! 1. How many signals you would expect in the molecule shown in its 1H NMR spectrum. Please assign the numbers for each typ…

please help with these problems. Much appreciated. Thank you 4. You are given an

please help with these problems. Much appreciated. Thank you 4. You are given an unknown hydrated metal salt containing chloride ion, MCl, nH,O. You dissolve 0.500 g of this salt …

please help with these two questions What is the final concentration of chloride

please help with these two questions What is the final concentration of chloride ion, [Cl^-], in a solution made by mixing 158 ml of 0.200 M NaCl with 200 mL of 0.150 M MgCl_2? Ho…

please help with these, especially the last 3, thanks! Cyclopentadienyl, or Cp,

please help with these, especially the last 3, thanks! Cyclopentadienyl, or Cp, exists as a dimer, Cp2 at standard conditions. For its use in most chemistry, it needs to be "crack…

please help with this 5. List any problems with the following set up. oint Water

please help with this 5. List any problems with the following set up. oint Water Joint adapter Clamp loint clip Heating The temperature at the head of a fractional distillation co…

please help with this java program, and include details: -extend the rental clas

please help with this java program, and include details: -extend the rental class to create a LessonWithRental class. -In the extended class create a boolean field that indicates …

please help with this question, Thank you! Hydrogen peroxide can act as either a

please help with this question, Thank you! Hydrogen peroxide can act as either an oxidizing agent or a reducing agent, depending on the species present in solution. Write balanced…

please help with this. You must create a sales tracking program named SalesTrack

please help with this. You must create a sales tracking program named SalesTracking.java. This program must track monthly sales as well as compute average yearly sales, total sale…

please help with what you can Both carbon monoxide and oxygen bind at the same a

please help with what you can Both carbon monoxide and oxygen bind at the same active site in hemoglobin. However, carbon monoxide binds stronger than oxygen, and thus, effectivel…

please help with what you can The concentration of an enzyme within a cell is ex

please help with what you can The concentration of an enzyme within a cell is extremely low relative to other material present, yet function effectively in its metabolic role. How…

please help with what you can What happens to the rate of the reaction as the en

please help with what you can What happens to the rate of the reaction as the enzyme concentration is increase? Why? Is your plot linear or nonlinear? Account for the shape of the…

please help yo answer the questions from the photo above. I don\'t understand ex

please help yo answer the questions from the photo above. I don't understand exergonic or endergonic. is be? on 50. Reflect and Apply In biochemistry, the exergonic process of con…

please help! 3rd timw posting and still not answer. 4) The reaction shown below

please help! 3rd timw posting and still not answer. 4) The reaction shown below is at equilibrium. Use Le Chatelier's principle to predict the effect of reducing nitrogen gas to t…

please help! 5. Based on your data, what would you expect the pressure to be if

please help! 5. Based on your data, what would you expect the pressure to be if the volume of the syringe was 6. Based on your data, what would you expect the pressure to be if th…

please help! A 1.0 mL solution containing unknown benzene is mixed with 5.0 mL o

please help! A 1.0 mL solution containing unknown benzene is mixed with 5.0 mL of 10.0 mM toluene and diluted to 50.0 mL. Upon chromatographic separation of the mixed sample, a pe…

please help! For HyPO4, the Kai is so large, the \"x is small approximation\" is

please help! For HyPO4, the Kai is so large, the "x is small approximation" is not valid. Asa result, pH is not equal to pKal at the first equivalence point. To more accurately de…

please help! the second picture is benzoin acid the third and fourth pic is the

please help! the second picture is benzoin acid the third and fourth pic is the unknown and the last pic is p-anisaldeyde TECH0710: Identifying an Unknown Compound by Infrared Spe…

please help!! In which organelle are steroid hormones synthesized? A. The mitoch

please help!! In which organelle are steroid hormones synthesized? A. The mitochondrion B. The ribosome C. The nucleus D. The rough endoplasmic reticulum E. The smooth endoplasmic…

please help!! explain if possible too! In general what is the trend(increase, de

please help!! explain if possible too! In general what is the trend(increase, decrease, no change, or variable no trend) in the following topics as one proceeds from left to right…

please help!!! Dion (Fe reacts with thiocyanate ion iscN to form a md eom plex i

please help!!! Dion (Fe reacts with thiocyanate ion iscN to form a md eom plex ion with the iormula lFescNI' The net equation describirs this reaction is even in Equatian 10 A stu…

please help, I have no idea what to do Practice Questions and Problem (Exam 2) P

please help, I have no idea what to do Practice Questions and Problem (Exam 2) Problom 3: magine you have a long piece of fiber optic cable and shine red laser (6 50 nm) throuth o…

please help, i cannot figure out where i went wrong! Constants Periodic Table Yo

please help, i cannot figure out where i went wrong! Constants Periodic Table You may want to reference Section 13.5 while completing this problem. concentrated form that is 37.0%…

please help, i cannot figure out where i went wrong! Constants Periodic Table Yo

please help, i cannot figure out where i went wrong! Constants Periodic Table You may want to reference Section 13.5 while completing this problem. concentrated form that is 37.0%…

please help, thanks B. COMMON ION EFFECT ON A CHEMICAL SYSTEM Add 1 ml of 0.1 M

please help, thanks B. COMMON ION EFFECT ON A CHEMICAL SYSTEM Add 1 ml of 0.1 M iron (III) chloride (FeCls) solution and 1 mL of 0.1 M potassium thiocyanate (KSCN) solution to a 5…

please help, with explanations Use a matrix format to show the relationship betw

please help, with explanations Use a matrix format to show the relationship between X.800 security services and security mechanisms attacks. The matrix columns correspond to mecha…