what kind of a substance is  Hexa-peri-hexabenzocoronene? element, hetergenous mixture, homogenous mixture,atom, pure substance

Q: 1. Can you help me with the explanation of the polyatomic ion and give me the name of the list of…

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

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Q: 1. CzH5OH(I) + HCOOH(I) → HCOOCzHs + H2O(I) 2. C₂H5OH(1)→ C₂H4(9) + H₂O(1) 3. C₂H4(9) + Cl₂(g) →…

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Q: 4. While titrating the original barium hydroxide solution in #2, what would be the pH of the…

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Q: What is the IUPAC name for the following compound? CH₂ CH₂CH₂CH₂ CH₂-C-CH₂-CH-CH₂ CH₂CH₂

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Q: Read the descriptions of physical or chemical changes in the table below. Then decide whether the…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

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Q: 9) Which of the following compounds does not have the molecular formula C6H₁4O? (a) 1-hexanol (b)…

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A:

Q: Which drawing best represents the resonance hybrid for the given molecule? OH to Об Oo'x Oo OH 5- OH…

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Q: A gas made up of atoms escapes through a pinhole 0.977 times as fast as F₂ gas. Write the chemical…

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Q: [CO(NH3)6] Iohs. i. Illustrate the energy level splitting diagram for both complexes. Consi ii.…

A: This question belongs to coordination Chemistry.

Q: Which of the following compounds can be predicted to be more soluble in C7H8 than water? Choose all…

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Q: 13 lind the pri or a buffer composed of F12FO4 Henderson-Hasselbalch equation? PK₁3 = 12.32 PK₁2 =…

A: Given -> Weight of KH2PO4 = 26.0 gm  Weight of Na2HPO4 = 43.0 gm

Q: H₂C- *0: *O: 0: CH3

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Q: Given [Ni(CN)4]2 complex ion. i. Identify the ligand. ii. Determine the oxidation state of Nickel.

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Q: The standard enthalpy change for the following reaction is -56.0 kJ at 298 K. Na(s) + 1/2 H₂(g)…

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Q: The Haber process is used to synthesize ammonia (NH3) on a large scale by the reaction of nitrogen…

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Q: Predict the most likely reaction for each of the following: propene + water + catalyst propanol +…

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Q: 12. Consider the reaction 4PH3(g) →→→ P4(g) + 6H₂(g) - If, in a certain experiment, over a specific…

A: Given ->  4PH3(g) ---> P4(g) + 6H2(g)  Moles of PH3 consumed = 0.0048 mole  Volume= 2.0 L

Q: Calculate the pH of 1.0 L of water to which a) 1.5 mL of 3.0 M HCl has been added b) 25 mL of 0.25…

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Q: 4-Hydroxybenzoic acid exhibited signals at 8 171, 162, 133, 122 and 116 ppm in its broadband…

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Q: hybridization states for each C and O atom in ketene -o atom -c atom 1 -c atom 2

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Q: H H

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A: Given : half life = 4.5 billion years  Tip : apply first order reaction

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Q: What is the mass of 2.94 x 10 22 atoms of copper? 3.10 g 0.031 g 0.31 g 31.0 g

A: Given -> Number of atoms of Cu  = 2.94 × 1022

Q: 1h) What will be the product of the following reaction? -Br + (HO)₂B Pd(OAc), Degassed H₂O/Acetone

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Q: you have a solid mixture that contains lithium bromide and barium carbonate. use the handbook of…

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A: The rule of 13 is Molecular formula=CnHn+r Where n=multiple of 13 and r= remainder  Here ,  m/z =…

Q: Macmillan Learning What is the hydrogen ion concentration of a solution with pH = 4.75? [H+] =

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Q: How much salt must be added to PbCl2 to avoid any precipitation of solid PbSO4

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Q: Identify the number of significant figures in each of the following a) 0.05040 m 6) 1400 ml. 2 c)…

A: ♧ Rules to find significant figures :1. All the non-zero digits 1 to 9 are significant .2. Zeros…