Which of the following is/are TRUE about Galvanic cell? I. The Gibbs Free Energy of the cell is negative. II. It requires an external source of energy such as a 9-V battery. III. The energy transformation is from chemical to electrical energy. IV. The electromotive force of the cell is greater than zero. O I, II, IV O , II, IV O ,1I, II O I, IV

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A: The reaction given is, => Given: Degree of dissociation = 6.30 × 10-5  Temperature = 100 oC And ...

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A: The compound given is C2H4.  

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A: Given that , average life expectancy of US is 78.7 years  And given  1 year = 365.25 days  Complete ...

Q: A living room has floor dimensions of 3.5 m and 4.2 m and a height of 2.4 m. a. What does the air in...

A: Given: Dimensions of the room = 3.5 m × 4.2 m × 2.4 m And the pressure of air = 1.0 atm.  

Q: 3. Complete the following equations for the addition of an acid and base to phosphate buffer solutio...

A: Quick summery:  a) In  acidic solution phosphare buffer act as base and abstract proton. b) In basic...

Q: The substance benzoic acid (C6H5COOH) is a weak acid (Ka = 6.3×10-5).What is the pH of a 0.258 M aqu...

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Q: empirical

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Q: The gas-phase reaction of NO with F2 to form NOF and F has an activation energy of E = 6.30 kJ/mol a...

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Q: Either sulfuric acid or bismuth(III) nitrate pentahydrate can catalyze this reaction. What is an adv...

A: Either sulfuric acid or bismuth(III) nitrate pentahydrate can catalyze this reaction.we have to desc...

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Q: What is the percent of a sucrose solution if 18.2 grams of sucrose is dissolved in 500 mL of water?

A: Given,  Mass of sucrose = 18.2 g Volume in mL = 500 mL  What is the percent of a sucrose solution = ...

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Q: CF3SO3H (aq) HCI

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Q: Calculate the [H₃O⁺] of the coffee with [OH⁻]= 1.0 x 10⁻⁹ b. Calculate the [H₃O⁺] of lemon juice wit...

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Q: Consider this chemical reaction, where moving from left to right represents moving forward in time. ...

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Q: Explain in terms of the distribution of charge, why H2O is considered a nonpolar compound

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Q: What is the mass % of carbon in dimethylsulfoxide, C2H6SO, rounded to three significant figures?

A: Since you have posted multiple questions as per guidelines we can answer only one per session . If y...

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A: Given two steps are : TeO2 + 2OH- ----------> TeO32- +  H2O  TeO32- + 2H+ (aq) -------> H2TeO3...

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Q: Calculate the theoretical yield in grams All3 aluminum iodide, from the complete reaction of 113 gra...

A: Given, 2 Al(s) + 3 I2(s) ➝ 2 AlI3(s) Mass of I2 react = 113 g Theoretical yield (in grams) of AlI3 =...

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Q: A. Dilution of Stock Solution Concentration of STOCK solution you prepared (M) 0.8 Volume of STOCK s...

A: Introduction: This can be calculated from the equivalence formula, V1S1 = V2S2 (V and S are the volu...

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Q: In the laboratory a student measures the percent ionization of a 0.429 M solution of formic acid , H...

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Q: QUESTION 5 How many moles of solid is produced if 1.6171 moles of aluminum nitrate (ag) reacts with ...

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Q: What is the weight percent of nitrogen in caffeine, C8H10N4O2?

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Q: 1) Suppose you have three identical balloons that are filled with helium gas. a. If you drive the fi...

A: We would use gas laws to answer these questions. 

Q: Question 12 of 39 Submit What is the correct IUPAC name for the compound shown here? 1-6-5-4- 3-2- s...

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Q: c) Br2 hv d) HO Br

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Q: The cell notation for the Galvanic cell is The Standard Reduction Potential are as follows: E°ca2*/c...

A: The cell given is Cd(s) | Cd2+ || I2 (s) | I-.  

Q: For solid solutions, check all that applies: V A. For the case of an interstitial solid solution of ...

A: The solution is as follows:  

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Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological...

A: We have to predict the ∆G reaction and nature of reaction.  

Q: In the laboratory, a general chemistry student measured the pH of a 0.429 M aqueous solution of hydr...

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Q: 8. Fill in the following table: pH [H;O"] pOH [OH'] ACID or BASE 1.97 9.84 x 10-2 M 4.68 2.64 x 10-5...

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Q: Structural formula

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Q: What is the pH of a solution that has a hydrogen ion concentration of  1.6×10−8 M ?

A: Given :- hydrogen ion concentration i.e. [H+] = 1.6 × 10-8 M  To determine :- pH of solution

Q: Look at the following Lewis Dot Structure: 2- :S:

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Q: The rate of a certain reaction was studied at various T(K) k (s-1) temperatures. The table shows tem...

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Q: Indicate whether each of the following solutions is acidic, basic, or neutral: a. [H₃O⁺]= 2.0 x 10⁻...

A: There various parameters to know about acidity,basic and neutral.  Acidity means there must be H+ io...

Q: Acetic acid (CH3COOH, ?a=1.80×10−5) is a weak acid, so the salt sodium acetate (CH3COONa) acts as a ...

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Q: explain the results of this experiment Table 1 Absorption Spectrum of Cobalt Chloride Using a Sp...

A: Given Wavelength           Absorbance 400 410 420 430 440 450 460 370 480 490 500 510 520 ...

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A: a.)  To draw a diagram for layers of three liquids , we would use the fact that liquid having highes...