Q3/ Synthesis the following compounds using any organic or inorganic reagents : from 4-bromo phenol 1) 4-bromo salicyaldehyde 2) 2-methyl-2-pentene from propanal

Q: Calculate the molality of (7.45 g) KCI, which dissolved in 100 g water. (molar mass: H-1, O=16, K=…

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Q: Exothermic reactions are favored by high temperatures. True O False

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A: For aromatic 1) cyclic structure 2) all atoms in cyclic compound should be sp2 hybridised. 3) 4n+2…

Q: 1. Write the hybridization of each carbon atom:

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Q: 3. Solutions of aqueous CaCl, and aqueous CuSO, are mixed in a beaker. a) Write the balanced…

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Q: Exothermic reactions are favored by high temperatures. O True O False

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Q: Balance the following equation Cu + O₂ - Cu₂O

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Q: Which of the following contains one or more covalent bonds Cao O NaCl BaBr2 CO

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Q: Design a buffer that has a pH of 3.56 using one of the weak acid/conjugate base systems shown below.…

A: Here we have to determine the mass potassium salt of weak acid and potassium salt of conjugate base…

Q: Which of the following represent closest packing of spheres? 11 III IV O II + IV OI + IV III+IV | +…

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Q: The equilibrium constant for a particular reaction has been measured at different temperatures. The…

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Q: IR Spectrum (liquid film) 4000 100 80 Lalalalalalala % of base peak 3000 40 13C NMR Spectrum (50.0…

A: Given the molecular formula of the unknown is C7H7Br We are given the IR spectrum, mass spectrum,…

Q: 3. Solutions of aqueous CaCl, and aqueous CuSO, are mixed in a beaker. a) Write the balanced…

A: Since you have asked multiparts questions, we will solve the first three sub parts questions for…

Q: For the processes the manufacturer tested in March, April, and May, which metals had their levels…

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Q: 2 H₂O₂ (ar) -> 2H₂0 (1) + 0₂ (g) 2 Juien data 1202], 11•22×102 | 8.04×10-3 5.30 x 10-3 3-49 x103 tı,…

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Q: How much CO2 is formed from the reaction of 5.0 g of baking soda

A: Amount of CO2 formed = ? Amount of Baking soda = 5.0 g Molar mass of Baking soda = 84 g Molar mass…

Q: The dehydration of 3- hydroxypropanal, CH3CH(OH)CH2CHO, givesa/an * .aldehyde alph gama-unsaturated…

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Q: What is the [Ag*] in a saturated solution of Ag₂SO4 in 0.20 M Na₂SO₂? Use the Data Tables to find…

A: Given, Na2SO4 concentration =0.20 M

Q: A 0.602-g sample of isophthalic acid (C₂H4O₂) is burned in a bomb calorimeter and the temperature…

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Q: Isotopes means; same element can have different masses.

A: Isotopes mean;  same element can have different masses: True Explanation:  Isotopes are a family of…

Q: Calculate the molality of (7.45 g) KCI, which dissolved in 100 g water. (molar mass: H-1, O=16, K=…

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Q: 1. A compound has an empirical formula of CH2 O and a molecular mass of 60 amu. What is the…

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Q: Determine the lattice formation energy of CsCl using the Kapustinskii equation. (show working)

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Q: 16. How would you best classify the sublimation of CO₂? * A Chemical change because C-O bonds are…

A: Sublimation is defined as directly conversion of solid to gaseous state by absorption of heat .…

Q: For the equilibrium, HSO4 + HPO4²SO4+H₂PO4 a conjugated Brönsted-Lowry acid-base pair is: HPO4…

A: Explanation :

Q: Q# 2: In a groundwater water sample carbonate and bicarbonate concentration are 2.2 and 594 mg/L…

A: When determining alkalinity using sulphuric acid, the end point is obtained at pH 4.5 where all the…

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Q: Use your graph equation to calculate the expected mass loss for your Epson salt sample, then  use…

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Q: In the periodic table: Elements in th same group have the same valence charges. O True O False

A: Given statement : Elements in same group have same valence charges.

Q: * The Ozone gas at STP contains (6.022 x 10^23) molecules. True Flase

A: Ozone is a trimolecular gas consisting of oxygen atoms. It's chemical formula is O3.

Q: Calculate the enthalpy change of the reactants Mg + 2 HCl ΣAH reactant ( 0 + 2 ( 92.3 ) =

A: The amount of energy lost or gained during the course of the reaction is known as the Enthalpy…

Q: 13. By convention, the sequence of bases in a nucleic acid is usually expressed in…

A: By convention, the sequence of bases in a nucleic acid is usually expressed in _________direction.

Q: 1. Write the hybridization of each carbon atom:

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Q: The number of equivalents of Al+3 in AICI3 is------(the Atomic weight of Al is 27) O 12 07 9 O 8 O…

A: Answer - Option - (c) is correct                9   Given : Atomic weights of Aluminium = 27…

Q: 8. Draw a plausible mechanism for each of the following transformations: -OH for conc. H₂SO4 heat a.…

A: Short explanation : Conc. sulfuric acid is donate its proton to alcohol and formation of…

Q: The following figure shows the schematics of the energy and electronic distribution of the carbon…

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Q: the equilibrium constant for a particular reaction has been measured at different temperatures. The…

A: The thermodynamics relationship,  □H - T(□S) = -RT×ln(K) ln(K) =  □S/R - □H/T Slope of graph is…

Q: 16- If Solubility of AgBr = 2x10- 5 gm / 100 ml at 20 Co calculate Ksp. 01.134 x10-12 011.34 x10-11…

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Q: Compounds such as CC1₂F₂ are known as chlorofluorocarbons, or CFCs. These compounds were once widely…

A: Given : Heat of vaporisation of CFCs = 289 J/g Mass of water = 160 g Heat of fusion of water = 334…

Q: 50 gr. of Cu are oxidized. How many moles of Cu were oxidized?

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Q: 9. A 0.2700 g of impure Na₂CO3 required 24.12 ml Of 0.1684 M HCl and a back titration with 2.96 ml…

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Q: 13 2 attempts left Check my work Be sure to answer all parts. A protein has been isolated as a salt…

A: The osmotic pressure of a 10.0  mL solution containing 0.209 g of Na20P protein is 0.261 atm at 25…

Q: In N2O , 28 g N combines with 16  g O. Determine grams of O and N in NO2. Group of answer choices

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Q: 1. Write the hybridization of each carbon atom:

A: Given structure of the molecule is :  Write the hybridization of each carbon atom ?

Q: Vitamin C has a molar mass of 176.1 g. How many moles of vitamin C are there if 50.5 g of the…

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

Q: 2. A 50.0mL sample of an acid HA, of unknown molarity is titrated with 0.1000 M KOH. The pH of the…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

Q: Using --> as a reaction arrow, please write the complete reaction and the net-ionic equation for the…

A: One small piece of zinc is dropped into a test tube, containing 2 mL 40 drops of 6 M…

Q: Q6. Perform this addition to the correct number of significant Q figures: 8.32 + 12.148 +0.02 (a)…

A: Q6. While adding or subtracting numbers, the answer should contain as many decimal place as the…