A voltaic cell using Mg(s)/Mg2+(aq) and Cu(s)/Cu2+(aq) half-cells operates under standard conditions. The cell delivers 0.22 A for 31.6 h. How many grams of Cu(s) are deposited?

Q: What types of intermolecular forces are occurring between sodium dodecyl sulfate and water ?

A: sodium dodecyl sulfate structure is  CH3(CH2)11OSO3- Na+  

Q: Which reaction is likely to be more exergonic, one with Keg= 1000 or one with Key = 0.001?

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Q: The standard cell potential of the reaction is 1.10 V for the cell Zn (s)/Zn²+//Cu²+1Cu (s) If the Z...

A: Answer: Nernst equation can be used to calculate the cell potential.

Q: 1. A solution has a concentration of 1.25 g/L. What is the concentration in ppm? 2. Calculate the No...

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Q: partial pressures

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Q: Answer highlighted questions please) A 50.050.0 mL solution of 0.1390.139 M KOHKOH is titrated with...

A: Volume of KOH = 50.0mL or 0.050L Molarity of KOH = 0.139M Number of moles of KOH = 0.050 × 0.139  = ...

Q: The results of an analysis for a certain sample is given: 20.1, 24.1, 23.5, 22.2, and 21.6. Find the...

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Q: 1.With respect to the system only, a reaction with ΔH < 0 and ΔS < 0 is predicted to be ___________....

A: Since you have asked multiple question, we will solve the first question for you. If you want any sp...

Q: According to the following reaction, how many grams of silver chloride will be formed upon the compl...

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Q: Which of the following is a correct practice in handling reagents?

A: Option D. Clean up any spills after finishing the laboratory work.

Q: P3- ion is a linear ion composed of 3 phosphorus atoms. Draw 3 resonance structures of this ion. Sho...

A: Resonance structure:If the Lewis structure of a molecule or ion cannot explain by a single structure...

Q: Provide the proper IUPAC or common name for the following compound.

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Q: Exactly 1.0 mol N204 is placed in an empty 1.0-L container and allowed to reach equilibrium describe...

A: Intial mole of N2O4 is 1mol. Vol. Of container is 1L. Given equation: N2O4(g) &lt;-----&gt; 2NO2(g).

Q: 3. Rank the following in order of increasing acid strength (1-weakest acid, 15 strongest; add rank n...

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Q: The nitrogen content of (NH 4 ) 2 SO 4 is: O a. 10.6 % N b.21.2 % N O c. 30.2 % N O d.4.2 % N

A: Standard data: The molar mass of nitrogen = 14 g/mol The molar mass of hydrogen = 1 g/mol The molar...

Q: Sulfur dioxide combines with O2 in the presence of a catalyst as represented by the equation 2SO2(8)...

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Q: Write the oxidation and reduction half reactions for the following redox reaction. Make sure to labe...

A: Answer: Specie, whose oxidation number increases, undergoes oxidation and Specie, whose oxidation nu...

Q: Which is true for standard deviation (s) for a sample size (n)? A The greater the n, the smaller the...

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Q: The one at pH 9.0 has a concentration of 10^-9 of H+, and the one at pH 10.0 has a concentration of ...

A: Here we have to calculate value of x and y

Q: Question 48 How much distilled water must be added to a 25.00 mL 0.5104 M aqueous H2SO4 solution to ...

A: In case of dilution of any acid or base, the number of moles will remain unchanged i.e, moles or mil...

Q: Which of the following CANNOT be found in a safety data sheet of a chemical? (A Hazard Identificatio...

A: Safety data sheets in the laboratory contains useful informations about the identification of hazard...

Q: 3.Show the steps involved in the following synthesis Br çO,H CI

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Q: Complete the table below. Molecules Types of Chemical Bond Structural Formula H,S Сао M9CI

A: Note - There needs to be a correction in the question. The compound MgCl does not exists. The correc...

Q: Calculate the pH for each of the cases in the titration of 25.0 mL of 0.180 M pyridine, C,H, N(aq) w...

A: Given,  Molarity of C5H5N = 0.180 M  Volume of C5H5N = 25.0 mL  Molarity of HBr = 0.180 M  Base diss...

Q: Question 3 What is the amount of heat produced by combustion of 125 g of methanol under standard sta...

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Q: For H,P - HP- + H* • The weak acid H,P dissociates a little and the even weaker acid HP- much less t...

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Q: n aqueous solution of potassium hydroxide is standardized by titration with a 0.178 M solution of hy...

A: Molarity is defined as number of moles of solute divide by volume of solution 

Q: Pralidoxime is an antidote to organophosphate poisoning. Which of the following is false? N-OH O It ...

A: Pralidoxime belongs to family of compounds called oximes that binds to organophosphate -inactivated ...

Q: ppm?

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Q: Draw the mechanism for the reaction of the the following under acidic conditions HN-NH2 H. H,N- O,N-...

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Q: H* HO OH

A: At first -C=O,take H+,than -OH attack to the carbonyl group. -OH is not good leaving group,so it tak...

Q: In the gas phase reaction 2 A(g) + B(g) = 3 C (g) + 2 D (g). it was found that when 1.00 mol A, 2.00...

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Q: он он HO- 2. Would H1 NMR be able to distinguish between the set of compounds shown above? Explain w...

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Q: Which of the following statements is true? A Liquids can be weighed using a weighing paper. B In wei...

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Q: - Write a paragraph about the difference between a chemical and physical change. Give examples of ea...

A: To differentiate: Chemical and physical changes.  

Q: Calculate the standard entropy change for the following reaction at 25°C. CH,(g) + 2 O2(g)→ CO2(g) +...

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Q: Question 2 Pure solids and liquids are not included in when writing an equilibrium expressie O True ...

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Q: Which expression correctly describes the equilibrium constant K, for the following reaction? 4NH3(g)...

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Q: Calculate the total entropy change for the decomposition of hydrogen peroxide. Supply all the missin...

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Q: Which of the following is consistent with a spontaneous process in the forward direction? a.ΔSunive...

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Q: work done on

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Q: 1)   Which reaction is likely to be more exergonic, one with Keq = 1000 or one with Keq = 0.001?

A: Keq is the equilibrium constant.  Exergonic reaction is a reaction which is spontaneous and releases...

Q: How do we express the independent variable in Kolrausch plot? Concentration Natural logarithm of con...

A: Kholraush law states that at infinite dilution, each ion (cation and anion) independently migrate an...

Q: Which kind of solvents are suitable for experiments involving spectroscopic analyses? (A Spectroscop...

A: In Spectroscopy, solvents play crucial role. In this technique ,solvents have to be 100 % pure,and s...

Q: Aqueous hydrochloric acid (HCI) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium ...

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Q: What is the appropriate size of volumetric flask to use if you want to dilute a 75.00 mL solution of...

A: It is observed that the concentration of the solution is inversely related with the dilution. From d...

Q: The following potential diagram summarizes the results of electrochemical studies of the aqueous sol...

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Q: The molar conductivity at infinite dilution of H* and NO3 ions at 298K are 349.8 Scm-mol & 71.44 Scm...

A: According to Kohlrauschs law  molar conductivity of an electrolyte at infinite dilution is equal to ...

Q: Which of the following pairs is correctly matched? A. beaker: measures volume of liquids B. spatula:...

A: In chemistry laboratory different types of equipments are used. Every equipment have it's own use.  ...

Q: Determine which of the two is less stable.

A: The answer is as follows: