Question 9 The reaction C2H4 H2 C2H6 has an activation energy of 181 kJ mol and k = 2.5x10- M's at 500°C. What is the rate constant of the reaction at 100°C?

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Q: Use standard Gibbs energies of formation to calculate the standard reaction Gibbs energies at 298 K ...

A: Given :  Chemical equation :  Zn(s)+Cu2+(aq)→Zn2+(aq)+Cu(s)  C12H22O11(s)+12O2(g)→12CO2(g)+11H2O(l) ...

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Q: resulting in NH4+ (i.e. write out the reaction using Lewis structures). Why is it tough to recognize...

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Q: Look at the spectra that were output from a C8 liquid chromatography column connected to a mass spec...

A: In the analytical chemistry, qualitative analysis involves various techniques and methods that are u...

Q: Calculate the pH of a solution obtained by mixing 438 mL of 0.14 M  nitric acid with 385 mL of 4.8x1...

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Q: Chlorine dioxide, ClO2, is sometimes used as a chlorinating agent for water treatment. It can be pre...

A: Given reaction is :  Cl2 (g) + 4NaClO (aq) ----------> 4NaCl (aq) + 2ClO2 (g) Volume of Cl2 = V =...

Q: How many g of sodium formate should be added to 250 ml of 0.2 M hydrochloric acid solution to obtain...

A: Given,  Volume of HCl = 250 mL  Molarity of HCl = 0.2 M  pH = 4.3  Mass of sodium formate in g = ?

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Q: In the synthesis of sulfanilamide, an intermediate reaction using 5 g of acetanilide (MW:135.2, dens...

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Q: A crystal of solid NaCl is placed into an aqueous NaCl solution. it is observed that more crystals d...

A: Given, Crystal of solid NaCl is placed into aqueous NaCl solution  and no more crystal is dissolved.

Q: Starting from a terminal alkene R-CH=CH2, is there any advantage in using the two-step protocol (hal...

A: MCPBA is also has tendency to react with ketone and give ester group. 

Q: QUESTION 1 How many mmols of HBr are in 17.6 mL of 0.0200M HBr? QUESTION 2 What is the calculated eq...

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Q: Problem I. Give the conjugate base of: (a) HOCI (b) H,O* (c) NH, (d) HCO, (e) HPO 4.

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Q: 25.0 ml of 0.600M hypobromous acid, HBrO, is titrated with 0.400M sodium hydroxide, NaOH. Calculate ...

A: Given 25.0 ml of 0.600M hypobromous acid, HBrO, is titrated with 0.400M sodium hydroxide,   We have ...

Q: Describe the ideas of the Ancient Greeks on the atom and elements;

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out o...

Q: Choose the general expression for the equilibrium constant for the following reactions: Part A aA(aq...

A: Equilibrium constant (K) can be expressed either in terms of concentration ( Kc ) or in terms of par...

Q: Ammonium phosphate ((NH,),PO4) is an important ingredient in many fertilizers. It can be made by rea...

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Q: A hydrogen atom with its electron in the n =5 energy level emits a photon. a. To what energy level d...

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Q: If a 10.0 L balloon contains 0.80 mol of a gas, what will be the volume of a balloon that contains 0...

A: Given, Case - 1) Moles of a gas (n1) = 0.80 mol Volume of gas (V1) = 10.0 L Case - 2) Moles of a gas...

Q: What is the hydronium ion concentration in 0.275 M nitrous acid? Ka= 7.1x10^-4

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Q: A group of students were trying to experimentally determine the density of an unknown liquid. They d...

A: The data given is, And the volume of the liquid = 5.00 mL.  

Q: Calculate the volume occupied by 122.541 g of water at 22.35 °C

A: To find out volume occupied by water, use formula of density and density formula to calculate its vo...

Q: What volume of oxygen gas is required to react completely with 1.34 mol of hydrochloric acid sccordi...

A: The balance equation is 4HCl+O2=2H2O+2Cl2 from the above equation we see that 4 mol HCl react with 1...

Q: Write a brief explanation about importance of measurements in chemistry.

A: Accurate, precise measurement is a fundamental component of good science. For this reason, scientist...

Q: Looking at the graph compare the activitt if all 4 of the materials in detail and also describe thin...

A: A question based on introduction to chemistry that is to be accomplished.

Q: What volume of 0.7777 M HNO3 is needed in order to produce 200 mL of 0.1550 M HNO3?

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Q: Nitrogen and oxygen react to produce nitric oxide according to the following equation: N2 (g) + O2 ...

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Q: In the preparation of the titrant, the solution must be aged for at least 24 hours in the dark. Stat...

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Q: Determine the volume occupied by 88 grams of ethane (C2 H6) gas at STP 全 T 面 1 Upload files

A: Mass of ethane = 88 g 

Q: What is the freezing point of solution that is made up of 100.0 mL of Dichloromethane (CH2Cl2) and 0...

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Q: Question 6 For the reaction S20g -2-31-25042-13, solve the rate law r=k{S20g2(r; x = y = Expt (S20g ...

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction occur...

Q: How many grams of glucose (C6H12O6) are present in 257.3 mL of a 11.2 M solution?

A: Molarity of a solution can be defined as the number of moles of solute dissolved per litre of soluti...

Q: Given that a mixture of nitric acid (bp 86 °C) and water forms a maximum-boiling-point azeotrope tha...

A: Solution.                                 Given That mixture of nitric acid =  bp 86 °C maximum-boi...

Q: Calculate the molar concentration of the different colour solutions using the data table. (Available...

A: The experiment is based on the process of osmosis.

Q: The chemical formula for potassium bromide is KBr. A chemist determined by measurements that 0.0250 ...

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Q: The decomposition of calcium carbonate produces calcium oxide and carbon dioxide according to the fo...

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Q: .. gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous produ...

A: Reaction in which heat is evolved is exothermic while reaction in which heat is absorbed is endother...

Q: I don't understand this problem! Please help! The question is: In the following balanced chemical re...

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Q: POST-QUESTIONS 1. After a student dissolved 0.5 g of white solid in water, she tested the conductivi...

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Q: Frenkel defects exist in ZrO,. For each of these defects, note how many of the following vacancies a...

A: Solution                         We know that Hence Right option is (b) Zr4+ interstitials  

Q: Americium-241 is an isotope that is commonly used for household smoke detectors. Gamma radiation emi...

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Q: At what temperature will a reaction become spontaneous given: Entropy change = 170 J/K enthalpy ch...

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Q: What is the exact reaction mechanism behind this reaction? I understand how to get from BHA to the B...

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Q: 39. What is the [H3O-] and [OH-] ion concentration respectively in a solution that contains 0.155 M ...

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Q: 3) What volume (in mL) of guanidine, CH5N3, is required to prepare 250 mL of the following solutions...

A: A question based on concentration terms that is to be accomplished.

Q: Consider the reaction: SO,Cl (g) = SO2(9) + Cl2 (9) K = 2.97 x 10° at 625 K In a reaction mixture at...

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Q: 3. Complete the following multistep syntheses by showing the major intermediate products and the rea...

A: Here we have to synthesize the following given compounds by multistep reactions using necessary reag...

Q: Which of the following compounds are polar? Draw the partial charges in polar molecules. 1. ethylene...

A: Given compounds are :- 

Q: Give the complete chemical equation of the oxidation of ethanol with Potassium permanganate

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