Unknown A and know a W and C all melt at 116-117 °C using melting point experimentation describe how A can be identified as W X or neither

Q: A. Given the molar mass and molecular structures of the compounds, determine their most possible…

A: A). Vapor pressure, also known as equilibrium vapor pressure, can be defined as the pressure exerted…

Q: 5 0 4000 Wh 3500 3000 2908.57 m 2000 Wavenumbers (cm-1) 2500 1500 1160.25 1000 917.53 938.22 847.27…

A: IR spectra provides the information of functional groups of unknown compound based on the…

Q: What does the line indicated in the following phase diagram represent? (s = solid; != liquid; g =…

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Q: The half-reaction occurring at the cathode during electrolysis of an aqueous copper (II) iodide…

A: Electrolysis is the process of breaking bond using electricity. At cathode reduction takes place. In…

Q: You are trapped on a spaceship. You have plent of oxygen, but no water. Though, you do have many…

A: The extraction of water from hydrated crystals can be done by heating the compound in an open system…

Q: 5. Often medicine for children is dispensed in a solution form with flavoring added. One such…

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Q: Gaseous ethane (CH₂CH₂) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide (CO₂)…

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Q: Determine the mass in grams of CO₂ that are produced by the complete reaction of 11.65 grams of…

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Q: A 26.00 mL sample of an unknown H3PO4 solution is titrated with a 0.130 M NaOH solution. The…

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Q: What volume (in mL) of 0.200 M HCI would be required to completely react with 6.65 g of Al in the…

A: Molarity of HCl = 0.200 mol/L Mass of Al = 6.65 g

Q: At high temperatures, iodine molecules can dissociate into iodine atoms. For the reaction I₂(g) ⇌ 2…

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Q: A voltaic cell was constructed with Au - Au³+ 3+ Au³+ Given the standard reduction potential of the…

A: Given that,  A voltaic cell was constructed with half cells Au-Au3+ and Mn-Mn2+  The standard…

Q: When aluminum metals reacts with HCl(aq), the products formed are AlCl3(aq) and hydrogen. If 6.477…

A: Answer:- This question is answered by using the simple concept of stoichiometry which involves the…

Q: Which of the following scenarios would have a greater osmotic pressure? Explain your answer.

A: The formula for osmotic pressure is as follows: π=iCRT Where, π= osmotic pressure i= van 't Hoff…

Q: anoitasen Isoimario lo coqyt Istoresbaut wuot ybute liews Failozstavowiator 5) Analysis of 1.618 g…

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Q: Calculate the following: the number of NaNa atoms in 0.250 mole of Na the number of moles in 4.0 gg…

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Q: What is the maximum mass of Sg that can be produced by combining 78.0 g of each reactant? 8 SO₂ + 16…

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Q: Determine the initial molar concentration of acetic acid (Note: 5l% P/P vinegar will be used)…

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Q: Provide the correct IUPAC name for the compound shown here. OH OH

A: The IUPAC name of the compound can be written on the basis of the number of carbon atoms in the main…

Q: Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese…

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Q: 3. How many faradays are transferred in an electrolytic cell when a current of 2.0 amperes flows for…

A: Total charge of a conductor given by  Q = I ×t Where Q = charge, I = current  t = time in second…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

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Q: How many bromine atoms are present in 30.7 g of CH2Br2? Express the number of atoms to three…

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Q: What is the root-mean-square °C? (Do NOT include units in your answer) velocity to the nearest whole…

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Q: Q2 which of the following represent impossible combinations of n and 1? a. 1p, (b) 4s, (c) 5f, (d)…

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Q: temperature the reaction of propylene with HBr is much faster than the reaction with ethylene. Using…

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Q: molarity of luminol solution = 0.979 M PartB moles of luminol = 0.120 mol What volume of the stock…

A: Given data, Molarity of luminol solution = 0.979 M Moles of luminol = 0.120 mol Formula, Molarity =…

Q: 0.25 g of a sample of coal was analysed by combustion method. The increase in weights of CaCl₂ tube…

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Q: Which pair of compounds is most likely to be miscible? a) HF and CCl4 Ob) Br₂ and HCI Oc) CCl4 and…

A: Polar compounds are the compounds that have some dipole moment and nonpolar compounds are the…

Q: Curved arrows are used to illustrate the flow of electrons. Follow the curved arrows and draw the…

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Q: Write the balanced equation for the neutralization reaction between HCl and Ba(OH), in an aqueous…

A: we have to write the balanced equation for the neutralization reaction

Q: For the reaction, 2N₂O5(g) The following data were obtained: T = 339 K [N₂O), M Time 0 100 300 600…

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Q: nergy =J/mol) - 238 -484 0 A-B ·C-D internuclear distance, r

A: Given Potential energy diagram of A-B and C-D

Q: At what temperature and pressure is the triple point of CO2?

A: Phase diagram can be defined as a diagram that represents the physical states of a substance under…

Q: 1. Use the following table of data to calculate the average atomic mass of an unknown element, X:…

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Q: (+) Br: :Br: Q

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Q: Label all of the acidic hydrogen. (Do not count any of the ones that are not shown) Circle the one…

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Q: The reactant concentrations given in the procedure are not the concentrations of the solutions once…

A: For trial 4 M1 = 0.10M H+ V1 = 20.00 mL V2 = 50.00 mL

Q: A 26.00 −mL sample of an unknown HClO4 solution requires titration with 21.12 mL of 0.2200 M NaOH to…

A: we have to calculate the concentration of HClO4

Q: fter dissolving NaOH in water, the final concentration of OH is 4.66x10-6. What is the pOH of this…

A: Sodium hydroxide is strong electrolyte hence it dissociated fully in aqueous solution

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

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Q: Complete the sentence below from the choices given: Ithough both SeF4 and XeF4 have four fluorine…

A: Given compound -  SeF4, XeF4 BrF5 ,PCl5 ,ClF3 ,XeF2

Q: Complete the table below, using the diagram of an atom shown at right. name symbol 0 neutron…

A: There are mainly three subatomic particles of an atom :  1) Electron  2) Proton  3) Neutron  The…

Q: The total concentration of dissolved particles in blood is 0.30 M. An intravenous (IV) solution must…

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Q: Calculate the moles of hydroxyapatite of an average adult Weight: 65kg, (human bones comprises the…

A: A question based on mole concept that is to be accomplished.

Q: Liquid hexane (CH, (CH₂), CH,) reacts with gaseous oxygen gas (0₂) to produce gaseous carbon dioxide…

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Q: Wht mass of H2 is required to produce 1.2 mol of AlH3 2Al + 3H2 -> 2AlH3

A: given moles of AlH3 = 1.2 mol To calculate  mass of H2 needed

Q: What is the osmotic pressure of a 0.0449 Maqueous sodium sulfate (Na2SO4 142.04 g/mol) solution at…

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Q: Place the following chemical compounds in order from lowest to highest boiling point, where 1 is the…

A: In general boiling point increases with increase in molar mass.  In ethanoic acid there is…

Q: When an aqueous solution of NaCl is electrolyzed, Na(1) is produced at the cathode, and Cl₂(g) is…

A: Given Electrolysis of aqueous NaCl