What is the direction of anion movement in an electrochemical cell? O Anode to cathode through the salt bridge OAnode to cathode in the external circuit Anode to cathode through the porous cup Cathode to anode through the salt bridge Cathode to anode through the external circuit

Q: uppose that Daniel has a 3.00 L bottle that contains a mixture of O,, N,, and CO, under a total…

A: Total pressure is equal to sum of partial pressure of all components

Q: Part D What temperature is required to produce a carbon dioxide partial pressure of 1.0 bar? Express…

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Q: Calculate the pH, the pOH, and the molarity of all species in solution for a 2.45 M butanoic acid…

A: Given :- molar concentration of butanoic acid = 2.45 M  To calculate :-  Molarity of all species…

Q: Compute for the concentration of an alcoholic solution of Methylene blue with an absorbance reading…

A: Here it is example of Lambert Beer Law Here we are required to find the concentration of methylene…

Q: Pick the correct half equations for the electrolysis of copper sulfate using copper electrodes.…

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Q: rmula CaH,Br. Assign a structure to cach pair of spectra and assign all H's and C's. rbon spectrum…

A: Solution - According to the question -

Q: 20.) Industrial production of methanol uses a synthesis gas which is a mixture of carbon monoxide…

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Q: a) Explain the differences between nuclear fission and nuclear fusion. By which of these two nuclear…

A: Radioactive nucleus generally participate in nuclear fission and nuclear fusion reaction.…

Q: 1. ) Complete and balance the following half-reactions: Cl, C a. b. НОВГ > HBr (acid soluti W,O, WO,…

A: Complete and balanced the following half-reactions:

Q: 3. 36,144J is needed to change 4 kg of substance from 12 °C to 30°C, what is the substance? Show…

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Q: Give the IUPAC name for the 2 compounds

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: Kindly Answer the observation ad conclusion of the experiment. Even if it is your guess.

A: On rubbing a little amount of lab spirit/rubbing alcohol on skin, the skin feels cool compared to…

Q: A 7.70 L container holds a mixture of two gases at 11 °C. The partial pressures of gas A and gas B,…

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Q: In which compound does hydrogen have an oxidation state of –1?    a.) NaH b.) HCl c.) H2O d.) NH3

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Q: A weak acid, HA, has a Ka=9.8 × 10–5. Find the % dissociation of a 10‒2.00 M of this solution.

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Q: Kai wants to create 0.250 L of 0.200 M potassium permanganate solution. What mass of potassium…

A: Given, Chemical formula of potassium permanganate - KMnO₄ Molarity of potassium permanganate…

Q: Following are the 'H and "C NMR spectra for each of four isomeric bromoalkanes with ormula CaH;Br.…

A: Solution-

Q: re. What could be don. tion? vater -ve potassium chloride

A: Boiling point is the temperature at which vapor pressure of liquid is equals to atmospheric…

Q: How many grams of NISO, -6H,0 are needed to prepare 2.00x10 mL of a 3.5x10 M NISO, solution? 3. а.…

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Q: Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric…

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Q: Solve for the pH of a 0.22 M AlCl3 (aq) solution. Ka of Al3+ is 1.2 × 10–5.

A: When we make aqueous solution of AlCl3 this undergo cationic hydrolysis and form hydrated aluminum…

Q: Calculate the vibrational, rotational, and translational contributions to the constant volume heat…

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Q: Show how the participating p orbitals interact to form the highest energy pi molecular orbital of…

A: Since you have asked multiple questions, we will solve first question for you. For remaining…

Q: Check the box next to each molecule on the right that has the shape of the model molecule on the…

A: Stereochemistry is branch of chemistry in which we deal with the arrangement of atoms in three…

Q: ) Listen Which one of the following is an endothermic process? Freezing water O Condensation of…

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Q: choices: a.) AlCl3 b.) HClO2 c.) Cl2 d.) Cl2O

A: Oxidation number is the partial or imaginary charge present on an atom in the compound.  When…

Q: 1. A solution containing 18.6 g of chromium(II) chloride is reacted with a 15.0-g piece of zinc to…

A: Given, Mass of chromium (III) chloride (CrCl3) = 18.6 g mass of Zinc (Zn) = 15.0 g Note:  molar mass…

Q: b) Use curved arrow formalism to draw the mechanism of the reaction shown in a). product(s) Brz…

A: ->First of all alkene reacts with Br2 and cyclobromonium ion is formed because there is present…

Q: 100.0 grams of sodium sulfate reacts with 50.00 grams of barium nitrate. e) How much excess reactant…

A: Here 100 g of Na2SO4 reacts with 50 g of Ba(NO3)2 . We have to determine mass of excess reactant…

Q: Which will make a good substitute for bromocresol green in a double indicator titration?…

A: Aqueous bromocresol green indicator solution is yellow below pH 3.8 and blue above pH 5.4. Between…

Q: 15.) Which of the following systems has the greatest change in internal energy! A.) A mixing of two…

A: C

Q: Given the equilibrium: 2HCI H2 (g) + Cl2 (e) Keg = 3.7 predict the equilibrium conc. of all…

A: As per our guidelines we can only solve first three sub-parts. Please resubmit the other questions…

Q: Under normal room conditions (standard pressure at about 20°C), water will not boil, so we do not…

A: Recall the reaction, H2O(l) + 40.7 KJ ----> H2O(g)

Q: 19. Which one of the following statements regarding a weak base is not correct? a. A weak base…

A: Which one of the following statements regarding a weak base is not correct ?

Q: The decomposition of hydrogen peroxide to water and oxygen 2H,O2 → 2H,0 + O, is a first order…

A: Given: Rate constant (k) = 0.0410 min-1 Order of the reaction = 1

Q: What is the equilibrium constant expression for the equilibrium between dinitrogen tetroxide and…

A: Keq is the ratio of the equilibrium concentrations of product over equilibrium concentrations of…

Q: QUESTION 2 Consider the following data concerning the equation: H202+ 31+ 2H*- 13+2H20 [H2021 [H*)…

A: In this type of order determining method, rate is compared in two steps keeping all otger reactants…

Q: For the chemical reaction below the Bronsted-Lowry acid is: NH3 + CH3COOH = NH,* + CH3CO0-

A: ->Bronsted Lowry acid is substance which can donate hydrogen ion to the base.

Q: Organometallic reagents such as sodium acetylide undergo an addition reaction with ketones, giving…

A: Given reaction is :

Q: Calamine, which is used for relief of skin irritations, is a mixture of zinc and iron oxides. A…

A: Given: Mass of sample = 1.022-g Volume of aliquot titrated = 50.0 mL Volume of Zn-EDTA used = 2.40…

Q: A gaseous compound has a density of 1.40 g/L at 21.8 °C and 1.34 atm. What is the molar mass of the…

A: Given:: Density d= 1.40 g L-1  T=21.8℃ = (21.8+273)K = 294.8 K P= 1.34 atm  Molar mass of compound =…

Q: 4. 23,540 J is applied to a 7kg Silver, what is its change in temperature?

A: Here we are required to find the change in temperature when 23540 J is heat is applied to 7 kg of…

Q: Which solution will have the lowest freezing point? Which solution will have the lowest boiling…

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Q: Half-Life 1189 years Decay Rate, k Complete the table shown to the right for the half-life of a…

A: Given, Half life = 1189 years Decay rate, k = ?

Q: 10.) The heat of formation of H2SO4 (aq) is -909.27 kl/mol. Which of the following is the…

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Q: 1. What quantity of heat is required to raise the temperature of 450 grams of water from 15°C to…

A: Given Mass of water (m) = 450 g Initial temperature (Ti) = 15°C Final temperature (Tf) = 85°C Amount…

Q: The Ksp for calcium hydroxide is 1.3 x 105. What is the maximum number of grams of Ca(OH)2 that can…

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Q: which alcohol among the following is most readily oxidized? Why do vou think this is so? Ethanol…

A: Alcohol can be classified in to three types: primary, secondary and tertiary alcohol. In primary…

Q: -Identify the configuration of the double bond.  -Redraw the structure and identify the chiral…

A: ->If the most preferential group attached on double bonded carbon are on same side then it has Z…

Q: What volume of 0.35 M Ca(NO3)2 is required to completely react with 50.0 mL of 0.75 M K2SO4?…

A: Calcium nitrate reacts with potassium sulfate to form calcium sulfate and potassium nitrate. The…