Match the following to their definition or direction in an electrochemical cell. Each answer choice can be used more than once, or not at all. Cathode [ Choose ] negative terminal [ Choose ] The direction the electrons [ Choose ] flow through the wire The direction the cations [ Choose ] flow through the salt bridge

Q: the reaction:   N2(g)+3H2(g)⇌2NH3(g)N2(g)+3H2(g)⇌2NH3(g) Kp=5.3×10−5at725KKp=5.3×10−5at725K   A 2...

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Q: 15. Which of the following statements is FALSE about the strong acid, HBr? A. Its Ka is greater than...

A: Strong acids are those which dissociate completely in to ions in aqueous solutions. For example let ...

Q: 1. Which of the following statement/s is/are TRUE about a system at equilibrium? I. The concentratio...

A: Equilibrium - It is a condition in which the reaction does not proceed in either the forward or back...

Q: Carbon monoxide is a colorless, odorless gas that binds irreversibly to hemoglobin in our blood, cau...

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Q: (i) Determine the point group for each compound below. O,N O,N -NO2 -NO2 NO2 O2N (ii) Using symmetry...

A: Solution: 1. Nitrobenzene have C2v point group as principle axis passing from C4 carbon and N atom. ...

Q: An Introduction for Crystal Structure of NaCl

A: The NaCl is an Ionic compound  having Ionic  force of attraction. 

Q: A chemist prepares a solution of potassium iodide (KI) by weighing out 0.5448 kg of potassium iodide...

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Q: On the basis of the 18-electron rule, determine the expected charge on the following: a. [Co(CO);* b...

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Q: How many grams of aluminum metal will be deposited from a solution that contains Al* ions if a curre...

A: The given data is as follows: The current applied (I) = 1.10 A The time (t) = 32.1 minutes = 32.1×60...

Q: LEWIS STRUCTURE NUMBER OF ELECTRONS ELEMENT Neutral Atom lon Gained Lost CHLORINE SODIUM IODINE SULF...

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Q: Br CH3 H;CCHCH,ČCH,CHCH, CH3 1. ČH3 Č(CH3)

A: Given

Q: sa soil-forming regime that occurs in humid tropical and subtropical climates as a result of high te...

A: Answer is [C]--- laterization

Q: When the nuclide polonium-214 undergoes alpha decay: The name of the product nuclide is | The symbol...

A: Alpha decay - Alpha decay is the emission of a helium nucleus, which has two protons and two neutron...

Q: A 0.893-g sample of N2O4 has a pressure of 502 mm Hg at 12.34oC.  What is the volume of the sample?

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Q: At what temperatures is the following reaction spontaneous: HCI (g) + NH3 (g) → NHẠCI (s) + heat Onl...

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Q: Which of the following is NOT a reason why Globally Harmonized System (GHS) is necessary: A) Ease of...

A: A multiple choice question based on environmental chemistry that is to be accomplished.

Q: Which factor, if increased in magnitude, will slow the rate of a reaction. frequency factor temperat...

A: The Factors that affects the rate of a reaction

Q: Write the expression for the equilibrium constant K, for the following reaction. Enclose pressures i...

A: The solution is as follows:  

Q: The value of Kp for ethylamine, C¿H;NH2, is 4.30×104. Write the equation for the reaction that goes ...

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Q: Predict the position of the equilibrium for the reaction and provide a brief explanation. (The acidi...

A: We have to predict the equilibrium shift and choose the correct option

Q: A solution is made by mixing 141. g of heptane (C,H16) and 106. g of benzene (C,H). Calculate the mo...

A: The mole fraction of a component is the ratio of no of moles of component present to that of no of m...

Q: A mixture of 5.00 moles of neon gas and 3.00 moles of nitrogen gas, N2, occupy a vessel where the to...

A: Given :  Number of moles of Ne = 5.00 mol  Number of moles of N2 = 3.00 mol  Total pressure = 6.00 a...

Q: The average molecular speed in a sample of  o2 gas at a certain temperature is 448 m/s. The average...

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Q: N2 (g) + 3 H2 (g) =2 NH3 (g) K. = II

A: N2(g) + 3H2(g) -> 2NH3(g)  

Q: SO2 Cl2 decomposes in the gas phase by the reaction SO, Cla (9) S02(g) + Ch(9). Part A The reaction ...

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Q: Compare the solubility of zinc sulfide in each of the following aqueous solutions: Clear All 0.10 M ...

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Q: Endothermic Exothermic Answer Bank A chemical change takes place in a container, making it feel cold...

A: Exothermic reaction: It releases heat energy in a reaction. A chemical change takes place in a conta...

Q: Molten CaCl, can be electrolyzed to form metallic Ca. For what duration should an electrolysis be pe...

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Q: It is sometimes necessary to take powers or roots to solve chemistry problems. Take powers and roots...

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Q: The figure below shows compression factor of three gases at goo C. At gooc, the equation of state of...

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Q: The equilibrium constant, K̟, for the following reaction is 55.6 at 698 K. H2 (2) + I (g)=2 HI (g) C...

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Q: Provide the major product of the reaction sequence. If cis/trans isomers are possible, draw only the...

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Q: Using the Cohn-Ingold-Prelog priority rules determ Fischer projections and name the compound. Br- H-...

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Q: This section describes the initial care that should be given by untrained responders to an individua...

A: Section 4 :First-aid measures describes the initial care that should be given to that individual who...

Q: The atomic mass of chromium is 51.996 amu. How many moles of Cr are there in a 5.44 g sample of chro...

A: The atomic mass of Chromium is 51.996 amu  1 amu = 1 g/mol  Therefore, 51.996 amu = 51.996 g/mol   G...

Q: Br HO. +

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Q: Consider the following system at equilibrium where AH° = -111 kJ, and K. = 0.159, at 723 K. N2(g) + ...

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Q: Boxes 1-3 box 1 answer choices: reverse or forward box 2 answer choices:  negative or positive  b...

A: a.) As we can see from overall reaction that H2O(g) is only present in product side .  So we use rea...

Q: Laurediol is a compound isolated from marine algae. Designate sequentially (1,2,3,4) the stereochemi...

A: ->If most preferential groups are on same side of double bond then it is Z configuration. ->If...

Q: 10. 3H2(g) + N2(g) 2NH3(g)+ heat  How is the equilibrium affected by the addition of hydrogen gas ...

A: 3H2(g) + N2(g) --> 2NH3(g) + heat    

Q: Calculate the heat of combustion for the following reaction.              C2H4 (g)     +     3 O2 ...

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Q: How much heat is required to convert 55.0g of liquid water at 22.0°C to steam at 105°C?

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Q: The pH of water if 5 mL of 0.5 M HCl is added to total 1 L of water (2 significant figures) is _____...

A: Volume of water=5mL Concentration of HCL=0.5M  Volume of water=1L pH of water=?  

Q: Iron-59 is a radioisotope that is used to evaluate bone marrow function. What is the half-life of ir...

A: Given, t = 190 days t1/2 = ? 

Q: 6. Calculate the formation enthalpy (4H orm) for benzene (CSH6). Is this reaction endothermic or exo...

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Q: Pentane (C5 H12) and hexane (C6H14) form an ideal solution. At 25°C the vapor pressures of pentane a...

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Q: How many grams of zine metal will be deposited from a solution that contains 2+ Zn ions if a current...

A: Current=0.611A  T=32.3 minutes  Weight=?    

Q: How much heat must be added to 100 g of ice at -5°C to turn it into 60 grams of water and 40 grams o...

A: using specific heat capacity and enthalpy of fusion and enthalpy of vapourization.  

Q: For an exothermic solution process, AHmix > AHsolute AHsolvent AHmix > AHsolute + AHsolvent O AHmix ...

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Q: The maximum amount of lead chromate that will dissolve in a 0.216 M lead acetate solution is M.

A: Given molarity of lead acetate = 0.216 M