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Q: 2Cu +S(s)Cu2S(s) AH° = -79.5 kJ S(s) + O2(g)→ SO2(g) AH° = -297 kJ Cu,S(s) +202(g)→2CUO(s) +SO,lg) A...

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Q: 4) Identify a nucleophile (base) and an electrophile(acid) between the following two reactants: reac...

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Q: 32. are used as stoichiometric reagents in both industrial ar research-oriented chemical reactions. ...

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Q: Using the Lewis concept of acids and bases, identify the Lewis acid and base in each of the followin...

A: Answer: According to Lewis theory, any substance that accepts lone pair in a chemical reaction is ca...

Q: lightest element observed to commonly undergo alpha decay,  Write the balanced nuclear equation for...

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Q: Rank the following elements in order of increasing atomic size: carbon, silicon, Florine

A: We have find out atomic size.

Q: what are the names of the following structures?

A: IUPAC nomenclature rules: Select the longest carbon chain as the parent chain. The numbering of the...

Q: For a reaction that follows the general rate law, Rate = k[A][B]2, what will happen to the rate of r...

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Q: Write the balanced net ionic equation and name the precipate formed in each reaction  1. CU(NO3)2 (...

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Q: Suppose a 250. mL flask is filled with 1.2 mol of NO,, 1.6 mol of CO and 0.10 mol of CO,. The follow...

A: We have to calculate the equilibrium concentration of NO2  

Q: 1. Determine the molar mass of (a) potassium hexachloroiridate(IV), K2lrCls and (b) trifluorosilane,...

A: Determine the molar mass of the given complex--

Q: Which of the following is considered ewaste? Select all that apply Washing machine Lap top Vacuum OL...

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Q: Decide whether each pair of elements in the table below will form an ionic compound. If they will, w...

A: An ionic compound is formed by complete transfer of electron form one species to another. Generally ...

Q: refractometer

A: In this question we have to explain using refractometer, how to solve the percentage of suger soluti...

Q: The kinetics of the reaction, A + B P, were studied and it was determined that the reaction rate dec...

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Q: 4. How many grams of NaCl is needed to prepare a 0.87 M 500 mL solution?

A: Given,  Concentration of NaCl solution = 0.87 M  Volume = 500 ml = 0.5 L 

Q: duced solids, if anything at all. Some of them, however, produced gases. Which ion was most likely r...

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Q: Which of the following reaction is a spontaneous?     2SO2(g) + O2(g) → 2SO3(g) 2C­(s) + O2(g) → 2CO...

A: Given :-  2SO2(g) + O2(g) → 2SO3(g) 2C­(s) + O2(g) → 2CO2(g) H2O(l) → H2O(s) CaO­(s) + CO2(g)...

Q: Emma lives in Wisconsin and wants to plant geraniums in her yard. The average daily temperature in h...

A: Emma lives in Wisconsin and wants to plant geraniums in her yard. The average daily temperature in h...

Q: At -8.15 °C the pressure equilibrium constant K, =3.8 for a certain reaction. Here are some facts ab...

A: We could have used the Van't Hoff isotherm equation to predict the Kp of the reaction at different t...

Q: Identify which of the following structures are ketals: CH, a. CH;-C-0–CH(CH,), 0-CH(CH,), 0–CH,CH, b...

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Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g-°C) at 88.0 °C is placed into 500.0 g of ...

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Q: Consider this molecular-level representation of a mixture of gases. If the partial pressure of the d...

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Q: 1. [). 6 -C-C- -O- I C-C-C-

A: For name we have to select long chain and first protity will give to alcohol and then iodine   

Q: What is the freezing point (°C) of a solution prepared by dissolving 50.0 g of glycerin in 200.0 g o...

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Q: 56. This chemical structure is CI cr Ci polyvinyi chloride DDT tetra chlorodiphenyl

A: The chemical structure shown is ---

Q: Which of the following is incorrect in the set of sign conventions for AH, AS, and AG with the tempe...

A: We have to predict the incorrect set of thermodynamic quantity.  

Q: When doing titration to an acid with NaOH, instead of using HCI, you used H2SO4 instead. Would you u...

A: No. In a titration of an acid with NaOH, the actual neutralization process is the combination of H+ ...

Q: Steam reforming of methane ( CH, ) produces "synthesis gas," a mixture of carbon monoxide gas and hy...

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Q: One way in which the useful metal copper is produced is by dissolving the mineral azurite, which con...

A: Given, the balanced equation: Fe(s) + CuSO4(aq) → Cu(s) + FeSO4(aq) The volume of copper(II) sulfate...

Q: Gas pressures can be expressed in units of mm Hg, atm, torr, and kPa. Convert these pressure values....

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost...

Q: 2. In a chemical atomic mass determination, the tin content of 3.7692 g of SnCl4 was found to be 1.7...

A: In SnCl4 one Sn atom combine with 4 chlorine atom. Given mass of SnCl4 is 3.7692 g and mass of Sn is...

Q: Which of the following statements is incorrect? O A. In electrokinetic injection, analytes in the sa...

A: The question is about the injection techniques in capillary electrophoresis, and we need to select t...

Q: 31. Uranlum 235 decays to Lead 207 with a half-life of 0.7 billion years. What Is age of a rock cont...

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Q: Question Content Area CHCH-CHCHCH, 4-chloro-2-pentene Four steresisomers exist for4-chiore-2-pentene...

A: Answer: z-configuration we use around double bond to specify the geometrical isomers and s-configura...

Q: Y 10 11 12 13 14 Tim e (min) O A. 1234 O B. 2116 O C. 1102 O D. 1936 O E. 1488 Instrument response i...

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Q: Give the mechanism behind sodium azide inhibit peroxidase enzyme? If possible specific the functiona...

A: inhibition of peroxidase enzyme by sodium azide.

Q: A buffer solution contains 0.228 M ammonium chloride and 0.315 M ammonia. If 0.0274 moles of nitric ...

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Q: 1. Which of the following is true? a) k association is the inverse of K dissociation b) k associat...

A: Answer: Association process is the process of formation where two species combined together to form ...

Q: 3. Use a titration between an acid and a base to answer the following: a. Mole to mole ratio of acid...

A: The reaction between an acid and base is called neutralisation reaction in which salt and water is p...

Q: What is the correct name for 2-ethyl-3-methylpentane? Group of answer choices 3,4-dimethylhexane tha...

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Q: Polarities of analyte functional group increase in the order of hydrocarbon < ethers < esters < keto...

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Q: release

A: In this question we have to explain what is meant by the enthalpy of its reverse reaction, along wit...

Q: A buffer solution contains 0.344 M ammonium chloride and 0.387 M ammonia. If 0.0207 moles of sodium ...

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Q: Which of these structures shows how the pictured molecule will look after it is flipped over vertica...

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Q: When limestone (which is principally CACO3) is heated, carbon dioxide and quick- lime (CaO) are prod...

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Q: Consider these compounds: A. BaSO3 В. Cr(ОH)з С. РЬСrO4 D. A93PO4 Complete the following statements ...

A: Sulfite are soluble . All hydroxide,phosphate chromates Are insoluble in water.  

Q: This is the chemical formula for nickel tetracarbonyl (a powerfully poisonous liquid used in nickel ...

A: Given :-  chemical formula of nickel tetracarbonyl = Ni(CO)4  no.of moles of Ni = 0.0374 mol  To cal...

Q: Draw product F. Select Draw Rings More F. (CHs),P-CH2

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Q: The following chromatogram is obtained for a mixture of substances X and Y. Calculate the resolution...

A: We would use formula to calculate resolution  of these peaks .