Precipitation of Šilver lon HCI(aq) Test/reagent used: Chemical(s) responsible for precipitation: Choose.. Confirmatory Test NH.OH(aq) and HNO:(ac Test/reagent used: Chemical(s) responsible for a positive test: Choose...

Q: Fill up the empty boxes with the correct chemical structures. CN OH Ph

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Q: alculate ΔSsys for the heating of 2.00 moles of nitrogen from 25ºC to 200ºC.

A: Entropy of system is given by the equation: ∆S = ∫ nCPTdT Initial temperature =  250C = 2980K  Final...

Q: Calculate the pH at the equivalence point for the titration of 0.150 M methylamine (CH, NH,) with 0....

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Q: Data is collected for the gas phase reaction 2 A + B + 3 C → Products at 470 K. If the reaction is z...

A: Reaction:  2 A + B + 3 C → Products   reaction is zero order in A reaction is second order in B reac...

Q: A chemist adds 0.60 L of a 1.2 mol/L sodium carbonate (Na, CO,) solution to a reaction flask. Calcul...

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as th...

Q: Calculate for the theoretical and percent yield. Please show detailed calculations

A: To Calculate for the theoretical and percent yield.,

Q: Calculate the number of moles found in 967 grams of Sr(C2H3O2)2. mol Give your answer to 2 decimal s...

A: Given, mass of Sr(C2H3O2)2 = 967 g number of moles found in 967 g of Sr(C2H3O2)2 = ? Note:  Atomic m...

Q: The Environmental Protection Agency recommends that Pb2+ have a concentration not exceeding 1.00 × 1...

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Q: 1. Reaction Rates Cupric Oxide is leached in an acidic solution which results in the formation of Cu...

A: Leaching is a process of extracting a metal from its ore by dissolving it in a certain liquid. The c...

Q: The initial pH of a 2M arginine solution is 14. What is the predominant structure of arginine in sol...

A: At pH = 14 , arginine exists in completely deprotonated form .

Q: 1. Locate the radial nodes in the 3s orbital of an H atom. Give them in Å.

A: There are two types of nodes, angular and radial nodes. Angular nodes are flat plane (at fixed angle...

Q: Compute for the weight of NaCl needed to prepare 250 mL of 0.05 M NaCl solution

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Q: Practice assignment: Stoichionmetry On a separate sheet of paper, show the setup and answer for each...

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Q: Select the transition that results in emitted light with the shortest wavelength. On = 6 to n = 5 On...

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Q: What is the pH of a solution that is  0.41 M in sodium acetate and 0.65 M in acetic acid? (for aceti...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: Chloroform liniment contains 30% (v/v) of chloroform. How many mL of chloroform liniment can be prep...

A: Chloroform liniment contains 30% (v/v) of chloroform. 1 lb = 454g

Q: Write the equation for the preparation of soap from stearic acid and NaOH. Explain the reaction.

A: Given,  Write the equation for the preparation of soap from stearic acid and NaOH. Explain the react...

Q: If a 0.59 M solution of a monoprotic acid HA has a pH of 4.57, what is the Ka value of the acid HA?

A: Concentration of Acid HA = 0.59 M pH = 4.57     ICE Table:                                          ...

Q: For a certain reaction, the frequency factor A is 3.7 x 10° s1 and the activation energy is 18.3 kJ/...

A: Given, Frequency factor (A) = 3.7 × 109 s-1 Activation energy (Ea) = 18.3 kJ/mol = 18.3 × 1000 J/mol...

Q: pH

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Q: A liniment contains 15 % (v/v) of methyl salicylate. How many mL of the liniment can be made from 1 ...

A: This question can be solved by using the concept of dimensional analysis .  1 pint = 473 ml 

Q: mole fraction

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Q: needs to synthesize 2-pentanone from 1-butyne. help her by suggesting a synthetic scheme she has to ...

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Q: 「一 Exp. Initial [A] (mol/L) Initial [B] (mol/L) Initial [C] (mol/L) Rate (mol/Lmin) 1 0.200 0.100 0....

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Q: bogut complete problems ing the colligative proper hes encircle of ancwer A. So lve your pand is dis...

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Q: Explain how a polyamide is able to bind to minor grooves and disrupt transcription.

A: Polyamide is a polymer in which a repeating unit is an amide group with a general chemical formula C...

Q: Galvanic Ecell vut s Anode Reduction potrntial Voits Cathode (u/s) -Znrs): Fecss- Zncoi

A: 1) Cu-Zn                    Cell Reaction : Zn(s)+Cu2+(1.0 M)→Zn2+(1.0 M)+Cu(s)                     ...

Q: 14. 15. Ha PO 16. Br Br (BuONa (2 equiv) t-BUOH heat 17. HO 312 NO2 O2N

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Q: A liniment contains 15 % (v/v) of methyl salicylate. How many mL of the liniment can be made from 1 ...

A: The concentration of methyl salicylate in liniment is = 15 %(v/v) The volume of liniment can be made...

Q: Given that the collision diameter of helium is 2.15 Å, calculate the mean free path of helium at sea...

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Q: IH NMR spectrum of methyl-m-nitrobenzoate 'H nmr, 8: 8.86 (t, IH), 842(dd, IH), 8.37 (dd, IH), 7.67 ...

A:   There are two types of equivalency-Chemical and magnetic. Chemically non-equivalent hydrogens show...

Q: Equal volumes of two different weak acids are titrated with 14 0.30 M NAOH, resulting in the followi...

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Q: heat i

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Q: When 6 g of granulated Zn is added to a solution of 2 M HCl in a beaker at room temperature, hydroge...

A: When 6 g of granulated Zn is added to a solution of 2 M HCl in a beaker at room temperature, hydroge...

Q: e coordination number for

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Q: How many grams of lodine should be used in preparing 5000 mL of 1:20 solution?

A: 1:20 means 1 g of Iodine is dissolved in 20 ml. So we have, 20 ml dissolves 1 g Therefore,  1 ml dis...

Q: A student dissolves 12.3 g of potassium chloride (KCl)in 250. g of water in a well-insulated open cu...

A: Here we are required to find the enthalpy of the reaction using the principle of calorimetry.

Q: At a certain temperature the rate of this reaction is second order in SO, with a rate constant of 0....

A: Given, 2SO3(g) ➝ 2SO2(g) + O2(g) Reaction is a second order reaction. Initial concentration of SO3 =...

Q: If the tax on alcohol is Php 500 per proof gallon, how much tax must be paid on 5 gallons of alcohol...

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Q: To a solution containing 1.0 × 10 ^(- 2) M AgNO3 and 2.0 × 10 ^(- 2) M Pb (NO3) 2 is added, with sti...

A: Given :  Concentration of AgNO3 = 1.2 x 10-2 M  So, concentration of Ag+ = 1.2 x 10-2 M  Concentrati...

Q: Br H.

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Q: 5. What mass of NaHCO3 reacts in order to produce 450. g of NazPO4? 6. Calculate the percent yield o...

A: 6) Note: Providing solution of question 6 as you have asked: Given, 3NaHCO3 + H3PO4 → 3CO2 + 3H2O + ...

Q: Draw and then rank order these polymers from highest tensile strength to lowest: polytetrafluoroethy...

A: Ans. polytetrafluoroethylene (PTFE): Polytetrafluoroethylene, or PTFE, is made of a carbon backbone ...

Q: if the pka1 is 4.80 what is the ka1  if the pka2 is 7.34 what is te ka2

A: Given- pka1= 4.80 pka = 7.34  

Q: Predict the major product of each of the following reactions. Show the stereochemistry of the produc...

A: 1. Sn1 reaction occurs via carbocation formation and then nucleophilic attack is observed.  2. In pr...

Q: Which alkyl bromide(s) can form the alkene under E2 elimination conditions

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Q: For problems (1-7) use the equation: 3 NaHCO, + H,PO, ----> 3 CO, + 3 H2O +NaPO4 1. Number of moles ...

A: 4.

Q: HO F HO,

A: IUPAC naming have following rules:-  Longest chain having maximum number of carbon atoms is the par...