Chemistry concepts and calculations
117302 questions • Page 2145 / 2347
\"Propane is burned completely with excess oxygen. The product gas contains 24.8
"Propane is burned completely with excess oxygen. The product gas contains 24.8 mole% CO2, 6.12% CO, 40.8% H2O, and 28.6% O2. (a) Calculate the percentage excess O2 fed to the fur…
\"Quiz 4\" - answer all questions in the space provided (or on the back if you n
"Quiz 4" - answer all questions in the space provided (or on the back if you need more space) (this question will be scaled to be worth 10% of your final mark) Buckminsterfulleren…
\"Regular\" golf vs. code golf: Both are competitions. Both have a well-defined
"Regular" golf vs. code golf: Both are competitions. Both have a well-defined set of rules, which I'll leave out for simplicity. Both have well-defined goals; in short, "use fewer…
\"Saving the bay\" the title of an article that appeared in Daily Press, our loc
"Saving the bay" the title of an article that appeared in Daily Press, our local paper, a couple of years ago. Another article titled "What's Killing the Chesapeake Bay?" appeared…
\"Securing a Home Network\" 1- Depending on where you live or go to school, you
"Securing a Home Network" 1- Depending on where you live or go to school, you could have DSL, broadband, or high-speed fiber. Identify the type of Internet access that you use at …
\"Select one of the three characteristics of information security (CIA) and expl
"Select one of the three characteristics of information security (CIA) and explain its importance as related to the development of policy, education, OR technology." (CNAA Model) …
\"Social Networking App\" Please respond to the following: In a Java program, so
"Social Networking App" Please respond to the following: In a Java program, some programmers might argue that when it comes to storing names, addresses, phone numbers, and so on,…
\"Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously A
"Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device", W.R. Heineman, et al., Analytical Chemistry 1999, 71, 1196-1203. The …
\"Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously A
"Spectroelectrochemical Sensing Based on Multimode Selectivity Simultaneously Achievable in a Single Device", W.R. Heineman, et al., Analytical Chemistry 1999, 71, 1196-1203. The …
\"Synthesis gas\" is a mixture of carbon monoxide and water vapor. At high tempe
"Synthesis gas" is a mixture of carbon monoxide and water vapor. At high temperature synthesis gas will form carbon dioxide and hydrogen, and in fact this reaction is one of the w…
\"TRUE\" in the statment if the statement is FALSE, rewrite it correctly in the
"TRUE" in the statment if the statement is FALSE, rewrite it correctly in the Do not simply negate a false statemen 1. (6 pt) space celor he following statements, if the statement…
\"The Good Housewife\" (EXCERPTED FROM A 1950s HIGH SCHOOL HOME ECONOMICS TEXTBO
"The Good Housewife" (EXCERPTED FROM A 1950s HIGH SCHOOL HOME ECONOMICS TEXTBOOK HAVE DINNER READY: Plan ahead, even the night before, to have a delicious meal--on time. This is a…
\"The HCl solution was made by mixing 20 mL concentrated HCl (12 M) with 100 mL
"The HCl solution was made by mixing 20 mL concentrated HCl (12 M) with 100 mL isopropyl alcohol. Assuming there is no contraction or expansion of volume on mixing, what is the mo…
\"The addition of KSCN to the unknown sample in Step 4 results in a red solution
"The addition of KSCN to the unknown sample in Step 4 results in a red solution, but it is much paler than the color observed for the known sample. How should you proceed?" A)"A p…
\"The figure below is meant to represent the formation of an ionic bond between
"The figure below is meant to represent the formation of an ionic bond between an alkali metal and a halogen. If the orientation of the atom reactants on the left is maintained in…
\"The following questions refer to the electrochemical cell given below: Au (s)
"The following questions refer to the electrochemical cell given below: Au (s) |AuCl2 (0.05 M), Cl (0.35 M) || I04 (0.15 M), H^+ (1 M), I03^- (0.08 M)| Pt (s) Write the reaction o…
\"The properties of petroleum fluids 2nd eddition - Exercise 3-22\"A tank contai
"The properties of petroleum fluids 2nd eddition - Exercise 3-22"A tank contains methane at 1000psia and 140F. Another tank of equal volume contains ethane at 500psia and 140F. Th…
\"Thermodynamics\" question. Energy can be transferred into an isolated system b
"Thermodynamics" question. Energy can be transferred into an isolated system by Mass transfer; Work transfer; Heat transfer; All of the above; None of above. For a closed system c…
\"This is In JAVA\" Credit card numbers follow certain patterns. A credit card n
"This is In JAVA" Credit card numbers follow certain patterns. A credit card number must have between 13 and 16 digits. It must start with: 4 for Visa cards 5 for Master cards 37 …
\"This is In JAVA\" Credit card numbers follow certain patterns. A credit card n
"This is In JAVA" Credit card numbers follow certain patterns. A credit card number must have between 13 and 16 digits. It must start with: 4 for Visa cards 5 for Master cards 37 …
\"This is In JAVA\" Credit card numbers follow certain patterns. A credit card n
"This is In JAVA" Credit card numbers follow certain patterns. A credit card number must have between 13 and 16 digits. It must start with: 4 for Visa cards 5 for Master cards 37 …
\"Traveling App\" Please respond to the following: Suppose that you are creating
"Traveling App" Please respond to the following: Suppose that you are creating an app to keep track of the places that you have visited while traveling. Determine whether or not …
\"Waiting for response from session.masterlhgetemisly 2 https://session.masterin
"Waiting for response from session.masterlhgetemisly 2 https://session.masteringchemistry.com/myct/itemView?assignmentProblemiD-943909868toffset-ne K Homework 39 EOC 17 Problem 17…
\"What is the net ionic equation for the reaction HCl(aq) withNa 2 HPO 4 (aq)?\"
"What is the net ionic equation for the reaction HCl(aq) withNa2HPO4(aq)?" This is my answer.. H3O+(aq) + HPO42-(aq)<--> H2PO4-(aq) +H2O(l) is the charge on "HPO4" correct, …
\"What is the pH of Na3PO4? While this is a triprotic species, you may ignore tw
"What is the pH of Na3PO4? While this is a triprotic species, you may ignore two of the Ka's and concentrate on the single Ka that is appropriate for this problem." I don't even k…
\"What is the pH of Na3PO4? While this is a triprotic species, you may ignore tw
"What is the pH of Na3PO4? While this is a triprotic species, you may ignore two of the Ka's and concentrate on the single Ka that is appropriate for this problem." I don't even k…
\"What is the rough length of the comumn that would be required to complete remo
"What is the rough length of the comumn that would be required to complete removal of lactose in one passage?" The information I have is: -The concentration of lactose was measure…
\"When a strong base is gradually added drop wise to a weak acid, the pH changes
"When a strong base is gradually added drop wise to a weak acid, the pH changes at each addition. When the appropriate quantity of base has been added to react with all of the aci…
\"When is encryption required by law?\" Identify ONE law, either a US Federal La
"When is encryption required by law?" Identify ONE law, either a US Federal Law or a US state law, that requires the use of encryption to protect either consumer or corporate info…
\"When to Recommend and Not to Recommend Software Reuse\" Please respond to the
"When to Recommend and Not to Recommend Software Reuse" Please respond to the following: From the e-Activity, we understand that the reuse of software components are designed to o…
\"When to Recommend and Not to Recommend Software Reuse\" Please respond to the
"When to Recommend and Not to Recommend Software Reuse" Please respond to the following: From the e-Activity, we understand that the reuse of software components are designed to o…
\"Write a C++ program that determines whether or not a given point is contained
"Write a C++ program that determines whether or not a given point is contained in a given rectangle." -----------------------------------------------------------------------------…
\"Write another class called MixedNumber that represents numbers that include a
"Write another class called MixedNumber that represents numbers that include a whole number and a fraction such as 3 1/2. The class should contain an integer and a RationalNumber.…
\"Write balanced molecular, ionic, and net ionic equations which show what happe
"Write balanced molecular, ionic, and net ionic equations which show what happens in each of the following reactions." calcium sulfite + oxalic acid -> nickel(II) chloride + po…
\"Write balanced molecular, ionic, and net ionic equations which show what happe
"Write balanced molecular, ionic, and net ionic equations which show what happens in each of the following reactions." calcium sulfite + oxalic acid -> nickel(II) chloride + po…
\"You are reviewing two competing novel Force Fields, FFA & FFB, both describing
"You are reviewing two competing novel Force Fields, FFA & FFB, both describing Van Der Waals interaction between Hydrogen Atoms according to the Lennard Jones model. Both gro…
\"You will learn about acetic acid (CH3COOH) and how to determine the concentrat
"You will learn about acetic acid (CH3COOH) and how to determine the concentration of acetic acid in vinegar through titration. You will explore the concepts of stoichiometric equ…
\"\'ll AT&T; 9:30 AM 26% SIGNAL TRANSDUCTION QUESTION SIGNAL TRANSDUCTION QUESTI
"'ll AT&T; 9:30 AM 26% SIGNAL TRANSDUCTION QUESTION SIGNAL TRANSDUCTION QUESTIONS 1. The fact that signal transduction mechanisms often have several steps allows the signal to…
\"a black precipitate is formed\" Nar Name orthe ivision of Mathematics & Engine
"a black precipitate is formed" Nar Name orthe ivision of Mathematics & Engineering Northern Oklahoma College General Chemistry I Laboratories Lab 7: Reaction Prediction La…
\"heat + CaSO 3 (s)CaO(s) + SO 2 (g) deltaH=108kj Which change will caus
"heat + CaSO3(s)<------>CaO(s) + SO2(g) deltaH=108kj Which change will cause an increase in the pressure ofSO2 (g) when equilibrium is re-established? a. decreasing the reac…
\"heat lost\" = (mass of higher temperature water)(cwater)(T) \"heat gained\" =
"heat lost" = (mass of higher temperature water)(cwater)(T) "heat gained" = (mass of lower temperature water)(cwater)(T) where: T is defined as Tfinal – Tinitial cwater = heat cap…
\"margin: 0px 0px 0.75em 2em; padding: 0px; color: rgb(51, 51, 51); font-family:
"margin: 0px 0px 0.75em 2em; padding: 0px; color: rgb(51, 51, 51); font-family: arial, helvetica, clean, sans-serif; line-height: 16px;"> Estimate the normal boiling point of 2…
\"margin: 0px 0px 0.75em 2em; padding: 0px; color: rgb(51, 51, 51); font-family:
"margin: 0px 0px 0.75em 2em; padding: 0px; color: rgb(51, 51, 51); font-family: arial, helvetica, clean, sans-serif; line-height: 16px;"> Estimate the normal boiling point of 2…
\"ructure that has four Kr atoms each unit een the the unit een is a cube. The o
"ructure that has four Kr atoms each unit een the the unit een is a cube. The of Kr 83 so Avogadro nm calculate the demsity of crystalline Kr, in kg/m'. The molar mass number 602x…
\' OVLv2 l Online teachin × G Google 1. assignment-take OH HOOC COOH 1 pr 1 pr 1
' OVLv2 l Online teachin × G Google 1. assignment-take OH HOOC COOH 1 pr 1 pr 1 pt 1 pt Reagents a. 2 NaNH2 b. 2 HCHO then HCI .H2.Pl d. H2. Lindlar's catalyst e. Na, NH3 (liq) g.…
\' These questions are all short and related: Please answer all of them. For a s
' These questions are all short and related: Please answer all of them. For a solar composition u ~=0.6. How does one compute u? What is u for a pure H plasma (fully ionized)? Wha…
\'Hybrid\' encryption, where we combine symmetric encryption with public-key cry
'Hybrid' encryption, where we combine symmetric encryption with public-key cryptography, is pretty 'tried and tested'. To summarise, we generate a symmetric key and encrypt it usi…
\'Pig Latin’ Translation rules 1. If a word has no letters, don\'t translate it.
'Pig Latin’ Translation rules 1. If a word has no letters, don't translate it. 2. All punctuation should be preserved. 3. If the word begins with a capital letter, then the …
\'ve noticed that recently most of my chemistry questions that get answered have
've noticed that recently most of my chemistry questions that get answered have also been incorrect. I cant help but feel like this is a discrepncy between either the methods used…
\'ve recently learned about distributed computing and the synchronous model wher
've recently learned about distributed computing and the synchronous model where, assuming a complete network and no crashes, in each round the following happens: every node can s…
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