Some polymeric materials are opaque and some are clear and tranparent. Explain why.

Q: 21. Given the following reactions and equilibrium constants: Ag, CO, (s) 2Ag (aq) + CO2(aq)…

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Q: Use the data given in the table to calculate the value of AGixn at 25° C for the reaction described…

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Q: Provide the name of the following nucleoside. HO. Question 12 of 20 H OH H N MP N H d A G C TU N DP…

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Q: Some measurements of the initial rate of a certain reaction are given in the table below. [H₂]…

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Q: 3. Propane combusts to make carbon dioxide and water. A. Write and balance this reaction B. Draw…

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Q: Which reagent is classified as a weak nucleophile in addition to the carbonyl group of an aldehyde…

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Q: For the reaction: H₂O + NH3 --> NH4+ + OH Draw out the full reaction using Lewis structures…

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Q: How many cis/trans isomers does this molecule have? Enter the number in the box above the drawing…

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Q: The major product(s) of the following reaction is(are): H H H CH3 I O A. IV O C.I O D. II CH3 O E.…

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Q: 16. What is the K, expression for the dissolution of nickel (II) phosphate in water? [N₁"][PO] [Ni,…

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Q: Determine the number of bonding electrons and the number of nonbonding electrons in the structure of…

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Q: 688.87 983.36 760.79 539.75 1494.18 960.47 3078.18 1597.39 1450.95 1331.78 1220.12 1071.82 908.20…

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Q: In the electrolysis of a molten mixture of RbF and CaCl2, identify the product that forms at the…

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Q: 5. Give structure for the intermediate compounds and final compounds in the following synthesis. A C…

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Q: (CHEM 447-PING 22-Predict whether each reaction proceeds predominantly by substitution (SN1 orSN2)…

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Q: Noting the curved arrows, draw all the product(s), organic and inorganic, of the following reaction.…

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Q: Use the unbalanced half reaction below to answer the following question.   Fe → FeO3   Part A:…

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Q: What is the molecular geometry about oxygen in C2H5OH? esc trigonal planar bent trigonal pyramidal…

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Q: 1) [+130*], Brz 2) Pyridine

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Q: 1. Calculate the distance between nearest lattice points in the following lattices. Give answers in…

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Q: Use the following equation to determine if the reaction is spontaneous at -55c. 3H2(g)+ N2(g)arrow…

A: Given,  The reaction: 3 H2(g) + N2(g) → 2 NH3(g)  Temperature = -55 °C

Q: can be converted to 13. Optically active (R)-2-bromobutane 2-butanol under either conditions A or…

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Q: draw the condensed structure of 2,3-dimethyl -1 pentanol ?

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Q: What volume, in mL, of 0.833 M H3PO4(aq) is needed to COMPLETELY NEUTRALIZE 147. mL of 1.07 M…

A: Molarity of H3PO4 = 0.833 M Molarity of KOH = 1.07 M Volume of KOH = 147 mL Volume of H3PO4 needed =…

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Q: What is the pH of a solution with [OH-] = 1.8x10-5? a. 4.75 b. 9.25 C. 7.00

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Q: Please analyse this H-NMR and determine whether the metathesis produces E-stilbene, Z-stilbene, or a…

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Q: The standard cell potential E°(cell) is +0.34 V for the redox reaction 2 In(s) + 6 H(aq) → 2 In³(aq)…

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Q: Perturbing an Equilibrium For a reaction A + B = 2C that has an equilibrium constant of 25, the…

A: Equilibrium constant (Kc) = 25  [A] = 1.5 M  [B] = 2.6 M [C] = 4.3 M

Q: There are no need for reagents for the reaction between the double bond and ketone? Step 3. Thank…

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Q: :31 PM Wed Apr 19 Question 7 of 11 What is the molar solubility of AgCl (Ksp = 1.80 x 10-10) in…

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Q: Part A A first-order reaction (AB) has a half-life of 25 minutes. If the initial concentration of A…

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Group 14 Elements

The following elements come under group 14 of the periodic table.