High-density polyethylene (HDPE) is an important grade of polyethylene. Draw a three repeat unit portion of a polymer chain of HDPE. Select Draw Rings More

Q: Write the concentration equilibrium constant expression for this reaction. Cr2O72-(aq)+6I-(aq)+14H+...

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Q: AE=

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Q: How many significant figures are in each of the following quantities? a. 0.008 750 L 45. b. 3.40 x 1...

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Q: crose, C2HO1, is common table sugar. The enthalpy change at 25°C and 1 atm for the complete burning ...

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Q: discovery of deuterium, and the mark of difference in the physical and chemical properties of hydrog...

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Q: Question 5 Which of the following polysaccharide will be MORE VISCOUS at acidic pH? O a. cellulose O...

A: 5. Polysaccharides are the long chains of monosaccharides linked by Glycosidic linkage.  In food ind...

Q: How does energy reduction contribute to the development of green chemistry? NOTE: This question is ...

A: Green chemistry is the utilisation of a set of principles that reduces or eliminates the use Or gene...

Q: The equilibrium constant, Kp, for the following reaction is 1.04×10 2 at 548 K. Calculate K, for thi...

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Q: Carbon disulfide is a colorless liquid. When pure, it is nearly odorless, but the commercial product...

A: Calculate the standard enthalpy change for the given reaction ---

Q: 5 25 Free Energy (kcal/mol) 15 B. Reaction progress Use the reaction energy diagram above to answer ...

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Q: 5. In the titration of a weak acid with a strong base, we used HIn/In to visualize the endpoint. HI...

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Q: Hz O catalytic Ho SOy

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Q: The equilibrium constant, K, for the following reaction is 7.00x10-5 at 673 K. Calculate K, for this...

A: Mole  can be defined as a standard unit for measuring large quantities of very small entities such a...

Q: ODD MAN OUT. Which of the following is not related to the other choices below? O Saccharin O Clyclam...

A: We need to look at the structures of the given compounds to identify the odd one.

Q: Kc

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Q: Compare the two quantities based on the given condition: X: Titration of 25 mL 0.10 M HX (weak acid)...

A: Given:  

Q: Use the References to access important values if needed for this question. The following information...

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Q: Which of the following WILL PROMOTE sol formation of neutral polysaccharide sample? a. add distilled...

A: Neutral polysaccharides are the polysaccharides that have both positive and negative charge side cha...

Q: What IR signal would we expect to see for the indicated functional group on this molecule? OH O A. i...

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Q: 44. Convert each of the following to moles and to atoms: a. 18.7 grams of calcium metal b. 51.9 gram...

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Q: Calculate the hydronium ion, H3O+, and hydroxide ion,OH− , concentrations for a 0.0380 M NaOH soluti...

A: Given :- Concentration of NaOH solution = 0.0380 M  To calculate :- [H3O+] and [OH-] 

Q: The equilibrium constant, Kc, for the following reaction is 1.32x102 at 342 K. 2NOBr(g) =2NO(g) + Br...

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Q: * 0∞ LL # m Classify each chemical reaction: type of reaction (check all that apply) reaction combin...

A: Classification of chemical reaction is given below

Q: Hô+ Hô+ --Н—О. 8- 8- &+

A: The given molecule is water (H2O). The force between two molecule is known as molecular force . 

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Q: A chemistry student weighs out 0.0457 g of formic acid (HCHO,) into a 250. mL volumetric flask and d...

A: Given- Weight of formic acid =0.0457g Volume volumetric flask=250mL Concentration of NaOH =0.1100 M ...

Q: Br2(g) + OCl2(9)- BrOC1(g) + BrCl(g) Kp is equal to 54.45. A reaction vessel is filled with 2.6 atm ...

A: ★ Answer : Equilibrium pressure of BrOCl will be 2.29 atm. ★ Solution : 

Q: 1.Which of the following is the least soluble compound? PbS PbSO₄ Pb(IO₃)₂   2.Which of the followi...

A: Solubility can be determined by using the value of solubility product (Ksp).  

Q: help asap Ostwald ripening (digestion) improves the purity and crystallinity of the precipitate. T...

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Q: Calculate the value of the reaction quotient Q when the reaction beaker contains 0.13 g Al, 0.33 M C...

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Q: explain how a reaction can have a decrease in entropy but still be spontaneous.

A: Given statement is :  Explain how a reaction can have a decrease in entropy but still be spontaneous...

Q: For each reaction, write the chemical formulae of the oxidized reactants in the space provided. Writ...

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Q: ny grams of the mixture are needed to produce 219 of heat? ta: AH;(Al(s)) = 0 kJ/mol AH;(Fe,O,(0)) =...

A: Thermite reaction: 2Al (s) + Fe2O3(s) ----> 2Fe(l) + Al2O3(s)  

Q: Consider the following system at equilibrium where AH° = 16.1 kJ/mol, and Kc = 6.50×10-3, at 298 K. ...

A: Given reaction is :  2NOBr (g) <------------> 2NO (g) + Br2 (g) , Kc = 6.50 x 10-3 , ΔH0 = 16....

Q: Complete the following table, which lists information about the measured acid dissociation constants...

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Q: What is the activation energy in kJ/mol of the diffusion of Mg into Al when its D0 = 1.2 x 10-4 and ...

A: Diffusion of Mg into Al - At 500 ◦ C the diffusion coefficient is 1.9 * 10-13 and D0 is 1.2 * 10-4 ....

Q: A 10.7 ml sample of 0.947 M NaOH is mixed with 15.9 ml of 0.955 M HCl in a coffee-cup calorimeter. T...

A: Given: Concentration of NaOH = 0.947 M Volume of NaOH solution = 10.7 mL = 0.0107 L                 ...

Q: A student ran the following reaction in the laboratory at 676 K: H2(g) + I2(g) = 2HI(g) When she int...

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Q: The phrase "Benign by design" is often associated with green chemistry. In your own words, what does...

A: Green chemistry is the design of the product of chemicals and processes in which reduce or eliminate...

Q: What is the systematic name for the comp N' H.

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: The solubility of Ag3PO4 is measured and found to be 1.92×10-3 g/L. Use this information to calculat...

A: Ksp is the product of solubility of ions of that compound.

Q: Consider the reaction: so,(0) + 1/2 0,(9)so,(9) Write the equilibrium constant for this reaction in ...

A: Calculate the equilibrium constant K for the reaction--- SO2(g) + 1/2 O2(g) <----> SO3(g) 

Q: 8- The following two half-reactions are used to form an electrochemical cell: Oxidation: SO2(g) + 2 ...

A: Here the standard electrode potential are given. First we have to write the balanced chemical reacti...

Q: 1. The thiourea in a 1.455 g sample of an organic material was extracted into a dilute H2SO, solutio...

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

Q: Which of the following DOES NOT define a gel?   a. it is in a semi-solid state   b. it entraps l...

A: Gel Semi-solid colloid in a more solid form than a sol broadly .    a.  it is in a semi-solid state ...

Q: During Size exclusion chromatography, if VT = 30 mL, Vs = 15 cm3 , and VL = 15 mL, Vo is     8 mL ...

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

Q: The equilibrium constant, Kc, for the following reaction is 5.63x10-2 at 1190 K. 2S03(g) 2SO2(g) + 0...

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Q: er of molecules in excess is

A: Given  Number of O2 molecules = 6 Number of N2 molecules = 2 Balanced chemical reaction,  N2 + 2O2 -...

Q: e volume VO

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Q: 40. Calculate the number of moles in each of the following: of NaCl a. 32.3 grams b. 11.6 grams of C...

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