Chemistry concepts and calculations

please answer all question s of 12 on a Xe I. to the plase diagram, what change

please answer all question s of 12 on a Xe I. to the plase diagram, what change if any, oecurs as the temperature sample is increased mons 24 "C to -110 "C at 500 tom? 4-112 110 T…

please answer all question, will gladly appreciate it. Thanks. Question 33 Braci

please answer all question, will gladly appreciate it. Thanks. Question 33 Bracing with ductile materials is an excellent way to impart seismic resistance to a structure since duc…

please answer all questions completely 1. For each compound given below, fill ou

please answer all questions completely 1. For each compound given below, fill out the table to tell the number of regular 13C NMR peaks, the number of peaks in the DEPT-90 spectru…

please answer all questions for points. thanks in advance friends!!!!!!! 1. Expl

please answer all questions for points. thanks in advance friends!!!!!!! 1. Explain what happens to the vapor pressure of a liquid as temperature increases. Are temperature and va…

please answer all three problems. thanks A precipitate of FeS (Ksp = 6.3 times 1

please answer all three problems. thanks A precipitate of FeS (Ksp = 6.3 times 10-18) is formed by mixing 125.00 mL of a 0.32 M solution of Fe(NO3)2 with 100.00 mL of a 0.40 M sol…

please answer all three questions 1.) The US Safe Drinking Water Act requires th

please answer all three questions 1.) The US Safe Drinking Water Act requires the US EPA regulate contaminates in drinking water. Bromate ion is a carcinogen that is produced as a…

please answer and explain all! MBLING mendation CEM 251 Summer 2016 Practice Exa

please answer and explain all! MBLING mendation CEM 251 Summer 2016 Practice Exam 1. .(page 6) apts each, 18 total points) 14. For the above four sttuctures (A, B, C&D;) a) Wh…

please answer as much as you can my grade is important label by number thank you

please answer as much as you can my grade is important label by number thank you depending on chemical e, or -0, depending on the chemical structure of the cryital 37. During whic…

please answer asap (Diffusion through a converging-diverging region) Two \'large

please answer asap (Diffusion through a converging-diverging region) Two 'large' vessels containing mixtures of O2(A) and CO2(B) are connected by a tube having converging and dive…

please answer based on the chart provided. Thanks 5.0 Electrolyte Preparation Th

please answer based on the chart provided. Thanks 5.0 Electrolyte Preparation The chemical make-up and composition of model-ISF is as follows: 1 L MVV mTMII ionic component grams …

please answer both questions Pre-Lab Assignment 5 (detach and submit to your TA

please answer both questions Pre-Lab Assignment 5 (detach and submit to your TA at the beginning of your lab session) TA Name Date: The following reactions of three metals X, Y an…

please answer c and f ii) State four uses of caustic soda. iii) State the advant

please answer c and f ii) State four uses of caustic soda. iii) State the advantages of producing chlorine by electrolysis to that of Leblanc process. c) Calculate the standard en…

please answer chemistry by will deen Volume will inere and work will be dime the

please answer chemistry by will deen Volume will inere and work will be dime the system A) heat capacity Volume B) Polarity freezing point 20, of the following statements k A) The…

please answer chemistry multiple choice 1-8 no work needed The energy transferre

please answer chemistry multiple choice 1-8 no work needed The energy transferred as the result of a temperature difference is defined as work heat potential energy kinetic energy…

please answer chemistry no work needed According to the second law of thermodyna

please answer chemistry no work needed According to the second law of thermodynamics, the change in the entropy of the universe (Delta S_univ) during a spontaneous reaction is zer…

please answer correctly Exercise 7.17 Part B The combustion of methane gas, the

please answer correctly Exercise 7.17 Part B The combustion of methane gas, the principal constituent of natural gas, is represented by the equation CH4 (g) + 202 (g) CO2 (g) + 2H…

please answer correctly and quickly 8. Balance cach of the following equations:

please answer correctly and quickly 8. Balance cach of the following equations: (a) H:S0 aLiOH(aq)LiSO4(aq) +HOU) (b) CsHs(g) 02(g)C02(g)+ H:0(g) (c) MgCOs(s)HNO,(a) Mg(NOs(a)Cog)…

please answer correctly- it\'s been wrong twice now! Titration to Determine the

please answer correctly- it's been wrong twice now! Titration to Determine the Ksp A saturated solution of an unknown metal (IV) hydroxide was filtered to remove any excess solids…

please answer each in detail: 1. What geologic features indicate the presence of

please answer each in detail: 1. What geologic features indicate the presence of a divergent boundary? Give an example of a location on Earth where you can find a divergent plate …

please answer i detail, thank you. Water is contained in a cylinder fitted with

please answer i detail, thank you. Water is contained in a cylinder fitted with a piston containing stops Initially the piston is resting on the stops. The pressure cxerted on the…

please answer in detail/fully answer the questions: 1. Describe a strategy you m

please answer in detail/fully answer the questions: 1. Describe a strategy you might use to determine how long it took the white cliffs of Dover to have formed, how they were form…

please answer in detail/fully answer the questions: 1. Describe a strategy you m

please answer in detail/fully answer the questions: 1. Describe a strategy you might use to determine how long it took the white cliffs of Dover to have formed, how they were form…

please answer in full detail/respond to all parts of question: 5. imagine that y

please answer in full detail/respond to all parts of question: 5. imagine that you are taking a field course in the Alps, from geologic cross sections, you expect to find some ver…

please answer me appropraitly blem 2. Given a directed graph G (V, E), pick a ma

please answer me appropraitly blem 2. Given a directed graph G (V, E), pick a maximum cardinality set of edges from E so that the result graph is acyclic. The left graph below has…

please answer question #2 fully and explain why. thank you! Post-Lab Assessment

please answer question #2 fully and explain why. thank you! Post-Lab Assessment Questions: (10 points) 1. pts) Compare your results for the molar heat of your salt (kJ/mol) to the…

please answer question 140. Also if it needs more info, please tell me what its

please answer question 140. Also if it needs more info, please tell me what its missing formation, calc 0.50 m Nal salution. (b) What is the freezing from this point after the add…

please answer question 2 1. Prepare n coomplete flow chart for the pracedure and

please answer question 2 1. Prepare n coomplete flow chart for the pracedure and put it on your data sheet. 2. Write balanced neu ionic ns describing each of the following reactio…

please answer question from 5 chemical literature and 6 ir spectroscopy. Thank y

please answer question from 5 chemical literature and 6 ir spectroscopy. Thank you which layer is on the top? you tell if the extracted solution is "dry"? g- 5. Chemical Literatur…

please answer questions 1 and 2 Question 1: e atmosphere contains about 52 15 of

please answer questions 1 and 2 Question 1: e atmosphere contains about 52 15 of air what in metric tons of mass carbon dioxide is in the atmosphere if the concentration of CO2 is…

please answer questions 12- 18 Quantum mechanics is a very complex theory. A goo

please answer questions 12- 18 Quantum mechanics is a very complex theory. A good way to help you remember it is to compare it to an apartment building. An apartment building has …

please answer questions 31-38. 31. chem3t 8.1-39 (Points: 2.5) In the process kn

please answer questions 31-38. 31. chem3t 8.1-39 (Points: 2.5) In the process known as osmosis, __________ moves through a semipermeable membrane into an area of __________ concen…

please answer questions 31-38. 31. chem3t 8.1-39 (Points: 2.5) In the process kn

please answer questions 31-38. 31. chem3t 8.1-39 (Points: 2.5) In the process known as osmosis, __________ moves through a semipermeable membrane into an area of __________ concen…

please answer the boxes a. mathematical mathematical operation: following show n

please answer the boxes a. mathematical mathematical operation: following show narrative 79.427 78.153 Identify the number of decimal places for the answer of this operation decim…

please answer the following : An acidic solution of Na_2 C_2 O_4 may be used to

please answer the following : An acidic solution of Na_2 C_2 O_4 may be used to standardize the concentration of KMnO_4 solution. The balanced redox equation between the 2 is: 2 M…

please answer the following : a) Calculate the number of molecules in 5.46 mg of

please answer the following : a) Calculate the number of molecules in 5.46 mg of laughing gas (N2O). b) Calculate the mass (in grams) of 9.79 x 1013 molecules of riboflavin, C17H2…

please answer the following enthalpie questions, 1. calculate the standard entha

please answer the following enthalpie questions, 1. calculate the standard enthalpy change, H°rxn, in kJ for the following chemical equation, using only the thermochemical equatio…

please answer the following pre-lab questions for Electrophilic Aromatic Substit

please answer the following pre-lab questions for Electrophilic Aromatic Substitution: Iodination of Salicylamide Lab: Pre-lab Questions 1. What types of directors are present on …

please answer the following question 1- Assuming a bicarbonate ion concentration

please answer the following question 1- Assuming a bicarbonate ion concentration [HCO3 - ] 0f 1.00 x 10-3 M and a value of 3.5 x 10-11 for the solubility product constant of FeCO3…

please answer the following questions 1. Discuss the following properties of wat

please answer the following questions 1. Discuss the following properties of water and why they are significant: (a) transmission of light; (b) maximum density at 4o C; (c) solven…

please answer the following questions by typing, thanks. 1. How different is the

please answer the following questions by typing, thanks. 1. How different is the measured volume from the volume if it had been obtained under STP conditions? Is the difference gr…

please answer the following questions one by one and i will give you all the poi

please answer the following questions one by one and i will give you all the points possible 1) Write a simple program in which the value, $55, is added three times. 2) Which of t…

please answer the following questions using Tylenol (acetaminophen) What type of

please answer the following questions using Tylenol (acetaminophen) What type of pharmaceutical reactor or vessel is used to manufacture this specific product? What are the raw ma…

please answer the following questions. with an explanation please. Mass of cruci

please answer the following questions. with an explanation please. Mass of crucible and cover : 22.76 mass of crucible , cover and solid hydrate : 23.75 mass od crucible , cover a…

please answer the following questions: 1) ______ is where a particles ware patte

please answer the following questions: 1) ______ is where a particles ware pattern can place the particle in multiple locations at once? A-Quantum post on B-Super potion C-Quantum…

please answer the following: Biacetyl, the flavoring that makes margarine taste

please answer the following: Biacetyl, the flavoring that makes margarine taste "just like butter," is extremely stable at room temperature, but at 200°C it undergoes a order brea…

please answer the following: If an object appears violet to your eyes, approxima

please answer the following: If an object appears violet to your eyes, approximately what wavelength light is it absorbing? What are "conjugated double bonds"? Does an increase in…

please answer the following: Predict the effect of increasing the temperature on

please answer the following: Predict the effect of increasing the temperature on the amounts of products in the following reactions. (NOTE: Only Two submissions are allowed for th…

please answer the following: ing equilibrium system, which of will form more or

please answer the following: ing equilibrium system, which of will form more or less CaCO3 or cause no change For the f the changes in the amount of Caco3? (NOTE: Only TWO submiss…

please answer the follwing question and please show your work it is important to

please answer the follwing question and please show your work it is important to explain by using Tanabe Sugano Upon completion of the following reaction, the "colorless" (in real…

please answer the follwing questions 1-A 200mL sample of water required 25.12 mL

please answer the follwing questions 1-A 200mL sample of water required 25.12 mL of a 0.0200 N standard H2SO4 for titration to the methyl orange endpoint, pH 4.5. What was the tot…