How many carbon atoms are there in a 2.7-carat diamond? Diamonds are a form of pure carbon. (1 carat = 0.20 grams) Express the number of atoms to two significant figures. VE ΑΣΦ N = ? carbon atoms

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Q: 4 Hematite, Fe₂O3, is an important ore of iron. (An ore is a natural substance from which the metal…

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Q: Consider the reaction below: AgNO3(aq) + FeBr3(aq) ----> _ Compound A + _ Compound B.  One of the…

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A: Given that  Elemental phosphorus occurs as tetratomic molecules, P4 The mass of chlorine gas is…

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A: Recall the given decomposition reaction,                        2 NOCl g  →  2 NO g  +  1 Cl2 g…

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A: Polymers are a class of synthetic substances composed of multiples of simpler units called monomers.

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Q: 3) Review the three structures provided below. (Hint: Convert to extended formula or Lewis Dot…

A: More basic the base more will be the pKa  of it and hence it will abstract protons easily.

Q: Protein A Hydration layer H₂N- C=O---H-N -C-CH3 H₂ -CH₂ CH3 H₂C-C- H -C-CH₂ H₂ H₂C-C- H₂ CN-H--O C…

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Q: A student properly sets up a column chromatography experiment. Although the mixture is soluble in…

A: Column Chromatography is used to separate a mixture of compounds into its pure components. The basis…

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Q: will UPVOTE Kindly answer the question. - Why is it important that the chromatography paper not…

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Q: 4. For each acid-base reaction below Label the acid and base i. ii. iii. iv. V. Draw the arrows that…

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Q: The decomposition of ozone has been proposed to occur by the mechanism 9 0 +0, 0₂-0 fast equilibrium…

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Q: Should health care be a public good or private good? Justify your answer by citing specific and…

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Q: 2.12 Identify the Lewis acid and base in the reaction below and draw a curved arrow mechanism for…

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Q: How do you draw this structure's conjugate base?

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Q: If a compound has a log Kow value of 6.5, what would be its predicted concentration (in ppm) in the…

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Q: Part III. Preparation of 50 mL 0.2M CuSO4 solution Materials: CuSO4-5H₂20, weighting paper, spatula,…

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Q: Draw the organic product of the Lewis acid-base reaction shown below. Include all lone pairs and…

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Q: The ratio of reactivity of tertiary:secondary:primary hydrogen atoms in a chlorination reaction at…

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Q: 1. How would you prepare the following solutions? a. 0.2 L of 0.25% NaCl b. 200 mL of 0.15 M NaCl

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Q: a. Calculate the amount of energy involved when 300. mL of 2.00 M NaOH is mixed with 400. mL of 1.00…

A: 2 NaOH (aq) + H2SO4 (aq)→Na2SO4 (aq) + 2 H2O (l) ΔHrxno = [ΔHfo (products) -  ΔHfo (reactants)] heat…

Q: 1.1. What energy is required to liberate an electron in the n = 3 orbital of a hydrogen atom?

A: Rydberg equation is  ∆E = - 2.178 × 10-18 × [1nf2 - 1ni2]

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Q: iridium has a density of 22.65 g/cm3. A student has an iridium figurine on his desk which weighs…

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Q: Draw the planetary electrons of silicon (Si)14 and copper (Cu)29 atoms.

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Q: 39.1.2 A certain volume of 7.0 M HCl was mixed with 500 mL of 4.45 M HCl to achieve 5.65 M HCl…

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Q: BaCl2(aq)+H3PO4(aq) --> Ba3(PO4)2(s) + HCl(aq) Express you answers as inetergers seperated by…

A: Given -> BaCl2(aq) + H3PO4(aq) <-----> Ba3(PO4)2(s) + HCl(aq)

Q: Based on the VSPER theory, which one of the following molecules is linear? a. BF3 b. HCN c. PCl5…

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Q: Write a net ionic equation for the reaction that occurs when aqueous solutions of ammonia and…

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Q: 5. The three structures below are common medications. i. ii. Circle the most acidic hydrogen in each…

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Q: Below are some practice questions. Draw the following within unit cells: 1. 2. 3. (211) (101) [221]…

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Q: Part IV. Preparation of 100 mL 25% Solution X Materials: Solution X, measuring cylinder, distilled…

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Q: 21.1 g O2 20.5 g C8H10 Express the answers in molecules to three significant figures

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Q: The normal boiling point of a certain liquid X is 141.10 °C, but when 73.6 g of benzamide (C,H,NO)…

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Q: 9) + O2(g) → 2NO(g) y much energy, in kJ, is needed to d (g)? AH ΔΗ mic masses: 14 g/mol 16 g/mol

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Q: F2 QUESTION 5 How many protons, neutrons, and electrons are there in the 34 A. 34 protons, 16…

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Q: 3 An organic acid is composed of carbon (45.45%), hydrogen (6.12%), and oxygen (48.44%). Its…

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Q: Neon atoms do not combine to form Ne2 molecules, however Ne atoms do attract one another weakly…

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Q: 11 How to prepare 200 mL of 5% albumin solution from 50% albumin? Equation: Volume of 50% albumin…

A: Answer-10 In this question (w/v)% concentration term will be used to obtain the desired data.

Q: A) Br. B) Br O Br

A: Given,

Q: The rate constant for this first-order reaction is 0.0740 s-¹ at 400 °C. A → products After how many…

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Q: Rank the following compounds in order of decreasing strength of intermolecular forces, starting with…

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.