3. Among the following.... is an example of polyatomic ions. a) NH4NO3 b) KBr c) AgCl d) NaCl

Q: N29) + 3 H2(g) →2 NH3(g) AG°rxn = -16.5 kJ mol 1 Determine the Gibbs free energy of reaction, AGxn: ...

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Q: 5. A conductivity cell filled with 0.10 demal KCI solution gives at 25°C a resistance of 910 ohms. W...

A: Given :-  Resistance with 0.10 demal KCl solution = 910 ohms Specific conductance of unknown solutio...

Q: 3. Determine the 3D structure of the molecule of formula C2H,O (H3CCHO). Indicate the geometry aroun...

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Q: The concentration of an aqueous solution is at 14.98kg/m and its densify is 997.5kg/m. Upon testing,...

A: Given: Concentration of solution = 14.98 kg/m3 = 14.98 g/L density of solution = 997.5 kg/m3 = 997.5...

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 308. kJ duríng a ...

A: Let us discuss the reaction and then solve the problem. 

Q: Does a reaction occur when aqueous solutions ofpotassium acetate and ammonium sulfide are combined? ...

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Q: Benzoic Acid IR 103 100 95 90 2834.7 b .%T 85 em-1, 84.10%T 80- 1453.30cm-1, 81.46%T 1421.76cm-1 77,...

A: Analysis of FTIR spectrum of benzoic acid.

Q: Calculate the   pH   and  percent ionization of 0.05 M acetic acid Ka = 1.8 x 10 -5.

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Q: What would you expect to be the effect of an increase of pressure on the following reaction?  CO2(g...

A: According to Le Chatelier's principle, if a stress is applied on reaction at equilibrium then reacti...

Q: 2. Consider the transition for the H atom from n=4 to n=2. a) What would be the theoretical change i...

A: Given-> n(initial) = 4  n(final) = 2  

Q: If the sample is compressed to a volume of 11.2 L, what is its pressure? A sample of gas has an init...

A: given :-  initial pressure (P1) = 1.17 atm initial volume (V1) = 14.9 L final volume (V2) = 11.2 L  ...

Q: 1. Provide a correct name for the following compounds: HO ОН CH3 H3C° ÓH CH3 а) NO 2 b)

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Q: Question 5 of 21> An aqueous solution at 25 C is 13.9% HNO, by mass and has a density of 1.053 g/ml....

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Q: Show the synthesis of butylamine from ammonia in one step. Make sure to specify the stiochiometry of...

A: Alkyl halides undergo substitution reaction with ammonia to give ammonium salts because ammonia act ...

Q: Describe the preparation of the solution. Show pertinent calculations. 1.) 50 mL of 0.5 N HCl from ...

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Q: A 0.051 M weak acid solution, HA, has a pH of 1.95. What is the Ka of the acid

A: [H+]  = (Ka  × C )1/2

Q: 5. Tropone (A) is much stronger base (conjugate acid more stabilized) than the open chain, conjugate...

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Q: Calculate the number of g of solute that would be needed to make 2.50 x 102 mL of 0.206 M NaCl. Ente...

A: Given :-  molarity of NaCl solution = 0.206 M  volume of solution = 2.50 × 102 mL  To calculate :-  ...

Q: These are practice questions. Please help! Thanks.

A: Volume of container = 8 Litre Moles of A = 2 mole Concentration of Compound = Moles of Compound/Tota...

Q: 3. Provide a mechanism for the following: acetyl CaA COASH co a. b.

A: 1. In presence of acid,  esterification occurs when carboxylic acid and alcohol reacts. 2. In presen...

Q: A chemist adds 160.0 mL of a 2.8 mol/L sodium chloride (Nacl solution to a reaction flask, Calculate...

A: Volume=160mL  Molarity =2.8 mol/L     

Q: Black smokers are found in the depths of the oceans. Thinking that the conditions in these smokers m...

A: 2 CH3SH + CO -----> CH3 COS CH3 + H2S  If CO is taken in excess the theoretical yield depends on ...

Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H H ...

A: A functional group is substance or moiety in a molecule that cause the effect.

Q: You have reached copper chloride solution with Zn metal to precipitate out all the Cu in its element...

A: Zn is more reactive metal then Copper. 

Q: Sodium Borohydride Reduction of Ketones Compound Melting point Structure Color Benzil Benzoin 1,2- d...

A: BENZIL M.P- 94.8 °C COLOR-yellow crystalline

Q: H-CI: 5) For the following multi-step reaction involvling a carbocation Overall Transformation CH3 C...

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Q: In which of the solutions below Lead sulfate, PbSO4, be most soluble in? Justify your answer. a. pur...

A: a. Pure water Lead sulfate dissociate in water as,  PbSO4 ⇌ Pb2+ + SO42- Solubility Ksp = s2 b. NaNO...

Q: A solution is prepared by adding 100.0 mL of a 0.135 M HCI solution to 100.0 mL of a 0.066 M NAOH so...

A: Volume of HCl=100.0mL  Concentration of HCL=0.135M  Volume of NaOH=100mL Concentration of NaOH=0.066...

Q: Consider the following reaction: 5 H2(g) + 2 NO(g) → 2 NH3(g) + 2 H20(g) Based on the data in the ta...

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Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 308. kJ during a ...

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Q: *6. In a redox titration, 12.52 mL of a 0.3264 M KMNO4 solution were required to titrate 1.7832 g of...

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Q: How many grams of Cu(OH)2 will precipitate when excess KOH solution is added to 41.0 mL of 0.618 M C...

A: To solve this problem we will use the given balanced chemical equation.   

Q: O 0/5 DOMINGO Understanding the definitions of heat and work A mixture of gaseous reactants is put i...

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Q: What is the aim of submerging the electrode in a potassium chloride solution? Must this be stored in...

A: Potassium chloride (KCl) goes about as a wellspring of chloride particles for the anode. The upside ...

Q: Consider the following reaction: A2(g) + B2(g) → 2 AB(g) AHºrxn = -8.06 kJ mol 1 The equilibrium con...

A: The Arrhenius equation is k = Ae^(-Ea/RT), where A is the frequency or pre-exponential factor. 

Q: Calculate the volume in milliliters of a 0.76 mol/L aluminum chloride solution that contains 300. mm...

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Q: 2. A solution that may contain Cu*, Bi²", Sn, or Sb2* is treated with thioacetamide in an acidic med...

A: The following question can be answered on the basis of qualitative analysis of captions present in a...

Q: Using the data in the table, determine the rate constant of the Trial [A] (M) [B] (M) Rate (M/s) rea...

A: Unit of rate constant of second order reaction is M-1 S-1 

Q: in what situation does one use  thin and/or column chromatography? You can any of theme for anything...

A: Chromatography is an analytical technique to separate mixtures into it's components.  It is also use...

Q: There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first st...

A: Given-  First step- 2Cu2S+3O2->2Cu2O+2SO2 Second step- Cu2O+C->2Cu+CO  

Q: 2. A 1500ml of water was added to 300ml of 0.50M NaOH solution. a. What is the new volume of the sol...

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Q: A chemist prepares a solution of calcium bromide (CaBr,) by measuring out 84.7 g of calcium bromide ...

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Q: Write the formula of the conjugate acid of CH₃CH₂O⁻

A: To solve this problem we have to write the formula of conjugate acid of given ionic  compound. 

Q: The symmetry factor β was determined to be 0.4 for an activation controlled Ag deposition process. A...

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Q: What are covalent compounds (molecules)? Give two examples of covalent compounds and their formula.

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Q: Provide the structure of the major organic product in the reaction below. CI NH2 Draw the molecule o...

A: Given reaction is :

Q: QUESTION 4 Predict the major product for the following reaction: Br .CH CH2 1.(CH,),N: 2. КОН H3C *C...

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Q: 2. In the titration of 50 ml. of 0.05 M of AGNO; solution with 0.05 M KSCN solution, calculate the m...

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Q: Does a reaction occur when aqueous solutions ofpotassium acetate and ammonium sulfide are combined? ...

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Q: Ascorbic acid (H,C,H,0,) is a diprotic acid. The acid dissocation constants for H,C, H,0, are K- K00...

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