Complete the half-reaction equation and classify it as an oxidation or a reduction. (3 marks each) A) Chromium (III) ions to dichromate ions in an acidic solution

Q: If you have 0.301 m³ of water at 25.0 °C in an insulated container and add 0.142 m³ of water at 95.0…

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Q: Br NH₂ dH NH₂ -ан CH3 A/RO/exception Circle the more acidic compound and determine the effect…

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Q: Each step in the following process has a yield of 60.0%. CCl₂ + 4HCI CC1₂F₂ + 2HCl The CCI, formed…

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Q: Cr(s) Cr(NO3)3 A Voltaic Cell NaCl(aq) Pb(s) Pb(NO3)2 Cr³+ (aq) + 3 e¯¯ → Cr (s) E° = -0.41 V Pb²+…

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Q: How many milliliters of an aqueous solution of 0.167 M magnesium acetate is needed to obtain 16.6…

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Q: How many moles of sucrose (342 g/mol) must be added to 552 g of water (18.02 g/mol) to give a…

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Q: P18.2 In this problem you will derive the commutator [Îx, Îy] = iħl₂. a. The angular momentum vector…

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Q: Which of the following sets of quantum numbers (n, I, m₁) are disallowed for an electron in an atom?…

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Q: 1) LiAlH, in Et₂O 2) H₂O*

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Q: 2. Dr. Dahm is attempting to bring home some balloons for his son. He attempts to do this in August…

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Q: What is the neutron seperation energy of 120Xe?

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Q: 3. Name the following compounds: - a) CH3 CHCHCH 2 CH 3 CH2CH2CH3 d) OH Br OH b) CH3C(CH3)2CH(OH)CH3…

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Q: The molecule 1,3-cyclotetradiene shown below is which of the following according to Hückel's rules?

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Q: (c) (d) & C6H13 CO₂Me CI 4 MgBr (1 equiv.) Et₂O Me₂Zn, TiCl4 (trace), CH₂Cl₂ 8.8 at -30 °C at -78 °C…

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Q: 5 9 What is the pH of a 2.15 M solution of NH4Cl (Kp of NH3= 1.8 x 10-5)? Your Answer: Answer

A: Given -> Molarity of NH4Cl = 2.15 M  Kb(NH3) = 1.8 × 10-5

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Q: Complete the following equations:- a) (CH3)2CHOH + Na → b) CH3CH(OH)CH₂CH3 + K → c) CH₂OH + NaH

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Q: шавни

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Q: What mass of solid sodium formate (of MW 68.01) must be added to 120 mL of 0.37 mol/L formic acid…

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Q: A bottle of NH4Cl (MM = 53.45 g/mol) contains 10.5 moles of NH4 How many grams of the substance are…

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Q: i) ¹H NMR signals: j) HO ¹H NMR signals: -Br k) on ¹H NMR signals:

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Q: 5.Supply the missing compounds:

A: Given : structure of reactants.

Q: A 28.4 mL sample of 0.379 M trimethylamine, (CH3)3N, is titrated with 0.318 M hydrobromic acid. At…

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Q: Arrange the following compounds in order of increasing acidity or basicity. Give a brief reasoning…

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Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

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Q: Br h. -CH3 i. H₂C Br CH 'CH Cl CH₂CH3

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Q: A proposed mechanism for the decomposition of ozone (03) consists of the three steps shown below.…

A: 7) Decomposition of O3 occurs in following three steps.  step1: O3(g) + NO(g) →O2(g) + NO2(g) step2:…