Complete and balance the reaction in acidic solution. equation: ZnS + NO3 Zn²+ + S + NO Which element is oxidized? S N Zn Which element is reduced? S ON O Zn

Q: A student made measurements on some electrochemical cells and calculated three quantities: • The…

A: The data given is,

Q: 2. A student adds 250. mL of deionized water (H2O) to a sample containing 125.00 grams of sodium…

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Q: A 0.5657-g sample of a chlorocarbon compound was analyzed for its chloride content by burning it in…

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Q: 5. A heat engine operates in a reversible cycle consisting of the following steps: a. Adiabatic…

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Q: f you decompose 2.00 g of malachite, or Cu (OH)₂ •CuCO₃ , and products are CuO, CO₂ and H₂ O, what…

A: Balanced equation for the decomposition of malachite,  Cu(OH)2. CuCO3  -----> 2CuO + CO2 + H2O

Q: Draw Lewis structures for bromine nitrate (BRONO2) and bromine monoxide (Bro). (Draw all major…

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Q: A lab technician planned to synthesize 2-bromopentane using 2-pentanol, heat, and HBr. However, the…

A: Given: A lab technician planned to synthesize 2-bromopentane using 2-pentanol, heat, and HBr.…

Q: The Fe2+ (55.845 g/mol) content of a 2.475 g steel sample dissolved in 50.00 mL of an acidic…

A: Given data,Mass of steel sample=2.475gMolarity of KMnO4=0.100MVolume of KMnO4=27.03mL=0.02703LMolar…

Q: Write a balanced equation for the formation of CO2(g) from C(s) and O2(g). Calculate change for this…

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Q: Determine the pH during the titration of 22.9 ml of 0.498 M nitrous acid (Kg = 4.5x10-4) by 0.323 M…

A: Since you have posted a question with multiple subparts, we will solve only the first 3 subparts for…

Q: OLVE THE FOLLOWING PROBLEMS. Write down your answers CLEARLY (can't understand some symbols so I…

A: Given data,Standard entropy of HCl=186.8 J/K.molStandard entropy of O2=205 J/K.molStandard entropy…

Q: Which solvent would be the best choice (DMF, methanol, or acetic acid) to carry out the nucleophilic…

A: There are different types of nucleophilic substitution reaction-  1- SN1 reaction 2- SN2 reaction

Q: Data Sheet: Investigation of Nickel and Copper Coordination Complexes Part B: The Coordination…

A: Given: let density of water be "1.0 g/mL. mass of water=1.0 g/mL×45.6 mLmass of water=45.6 g

Q: 7. Iron, a large component of steel, is obtained by reducing iron (II) oxide (present in hematite…

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Q: Which of the following is not incorrect about the reaction of aromatic compounds with a bromine…

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Q: The ?sp of iron(II) hydroxide, Fe(OH)2, is 4.87×10−17. Calculate the solubility of this compound in…

A: The solubility product constant is similar to the equilibrium constant which accounts for the…

Q: (d) 1-Propanol (e) 2-Propanol (f) CH3CH2CH(CO,H)2

A: (d) When 1-propanol it treated with phosphorus pentachloride, then initially chloropropane is formed…

Q: Sn2+ can be analysed by reaction with excess Fe3+ and the Fe2+ produced is oxidised back to Fe3+…

A: Here we are required to find the moles of Sn2+ present which was analysed  by redox titration using…

Q: Which of the following species has a transition metal ion with dº electronic configuration? O…

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Q: What is the molarity of 0.654L of solution with 0.444mol CoCl2 in it?

A: Given, moles of CoCl2 = 0.444 mol Volume of the solution = 0.654 L Molarity of CoCl2 solution = ?

Q: a) Calculate the amount of energy released per gram from each type of food tested, based on the…

A: Solution- Data given-Mass of the food sample.

Q: Calculate the pH of 0.71 M Ca(OH)2 solution. Provide your answer to two places after the decimal and…

A: Given :- molar concentration of Ca(OH)2 solution = 0.71 M  To calculate :- pH of solution

Q: To calculate the total energy required to convert a solid to gas using heat capacity, heat of…

A: Mass of water = 81.5 g Boiling point of water = 1000C ∆Hvap = 40.7 kJ/mol

Q: Example 2. Example 1. Assess the suitability of irrigation water having the following constituents:…

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Q: water?

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Q: What is [H*] in a 0.240 M solution of acrylic acid, CH,CHCOOH (Ka = 3.16 x 10-5)?

A: The acid dissociation constant is the ratio of ions of the product to that of reactant when a acid…

Q: Starting with an unhindered alkyl halide, show how Wittig reactions might be used to synthesize the…

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Q: EXPERIMENT 1: PREPARATION OF FERROCENE Dissolve the ferrocene in aqueous nitric acid. Explain any…

A: The correct answer about Ferrocene is given below

Q: Considering the Ksp values for the substances measured at 25 ° C, write the Ksp equation and…

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Q: Explain the importance of cold pack

A: Cold pack help lower the temperature in certain areas of the body and reduce pain and swelling.…

Q: 14. Consider the following statements about this molecule. I. This molecule is a zwitterion. II.…

A: The given structure is as follows, We have to find which statements regarding this molecule is…

Q: Question 3: Sulfur dioxide is a primary pollutant which leads to the formation of sulfur trioxide…

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Q: Which one of the following correctly shows the weak acid equilibrium for nitrous acid, HNO2? A)…

A: According to the Arrhenius theory, the substance that gives hydronium ion H3O+ in the aqueous…

Q: I would like some help finding the detailed arrow reaction mechanism for the ethylidene cyclopentane…

A: Alcohols undergo dehydration reactions in the presence of sulfuric acid followed by heat. The…

Q: C: Coordination Number Cu2+ Mass Cu(NO,)2 -3 H20 2.3366 grams Volume D.I. Water 57.0 mL Trial…

A: Given:

Q: new coin having a mass of 2.5133 g is dissolved in nitric acid and only the resulting copper ions…

A: Nitric acid is a strong oxidizing agent. It can oxidize metals to their respective cations.

Q: How would the calculated value of pKa of the unknown acid be affected (higher, lower,  or no change)…

A: (1)When we record a lower pH value than the real pH value, the concentration of H+ will be higher,…

Q: It takes 91 mm² of overall surface area, in the form of a calcium-based substrate sheet, (CACO3…

A: Solution: Data Given- 91 mm² of overall surface area, (CaCO3 density=2.7 g/cm³)

Q: SOLVE

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Q: For a particular redox reaction, BrO is oxidized to BrO, and Ag* is reduced to Ag. Complete and…

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Q: Mole problem (Chemistry), Please show all calculations: How many moles of carbon tetrafluoride are…

A: Given - - > Mass of carbon tetrafluoride = 1.55 * 105 kg Molar mass of carbon tetrafluoride = 88…

Q: What is the hydronium ion concentration [H3O+] of sea water which has a pH of 8?

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Q: LESSON: Acid-Base Titration Answer the following questions. 1. Why is there a need to standardize…

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

Q: The rate constants of some reactions double with every 10-degree rise in temperature. Assume that a…

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Q: What volume would 50.0g propane, C3H8,occupy at 1.40 •10^2 C under the pressure of 10^3 torr?

A: Given,  The mass propane (C3H8) = 50.0 g.  At temperature = 1.40 × 102 °C and pressure = 103 torr.…

Q: 2) When water is introduced into an ester under high temperature conditions, esters are hydrolyzed…

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Q: why dimethylaminobenzaladehyde is more nonpolar than 4-methoxybenzaldehyde?

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Q: The generic metal A forms an insoluble salt AB(s) and a complex AC5(aq). = 0.100 M, [C] = 0.0340 M,…

A: a) Given: The equilibrium concentrations of species are, => [A] = 0.100 M                  [C] =…

Q: Discuss the expected oxidation and reduction mechanisms of each half-cell reaction of galvanic cell…

A: Here we have to explain the cell reaction involved in the following elctrochemical cell reaction…

Q: Data Sheet: Investigation of Nickel and Copper Coordination Complexes Part B: The Coordination…

A: Solution- mass of Ni(NO3)2.6H2O = 2.3429 g/mol, Volume of deionized water = 45.4 ml.