Why do you think polymers have no definite melting point?

Q: At 60 °C, Kw for water is 1.0 × 10¹³. At 60 °C, a weak acid has a Ka of 1.3 x 10-4. What is the Kb…

A: Acid can be defined as a substance that give hydrogen ions in an aqueous solution.

Q: Use the Brønsted-Lowry theory to identify the acid, the base, the conjugate acid, and the conjugate…

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Q: What are the CI-P-Cl bond angles in PC13? Select one: O a. 90° and 120° O b. 109.5° O c. 90° and…

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Q: 4. Write the product and the mechanism for reaction. Write the names of starting material and…

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Q: C12 H2O (a) (b) (3) 이.... 이.... 이.... ....ICI CI ....IIOH (d) (e) (f) ..... HO OH OH 이 .....ICI

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Q: Use the standard molar entropies to calculate ASn for the following reactions: 4th attempt Part 1…

A: Part 1  Ag+ (aq) + Cl-(aq) ---> AgCl(s)  The standard molar entropies for different Molecules are…

Q: a) • Name the compounds represented by the following line structures b) CH₂CH₂CH3 I CH3

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Q: 3. How many moles are in 420g of copper (II) sulphate (CuSO4)? 4. What is the amount in moles of a…

A: The number of moles(n) formula is: n= (mass of substance) / (mass of one mole)

Q: The frequency of microwave radiation is approximately 6.00x 107 s1. How many photons of this…

A: Given, Frequency of microwave radiation (f) = 6.00 × 107 s-1 mass of water (m) = 55.0 g Initial…

Q: Describe the trend in electronegativity:

A: Electronegativity is defined as tendency of atoms to attract the shared pair of electrons towards…

Q: 14. Which one of the following A) Mn²* and Ar B) Zn²+ and Cu²+ C) Na* and K pairs are isoelectronic?…

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Q: Describe SDS page

A: Proteins may be separated depending on their molecular weight using the SDS PAGE method, which…

Q: Which is the product of the following reaction? °) C) 4 CHỊCHÍNH: -- ? инск ен он NCH₂CH₂ Б) d) -NH₂…

A: Carbonyl compound react with primary amine to forms imine derivatives, also known as Schiff bases.…

Q: Calculate concentration of arsenic in a stream in term of ppm if 15.0 g sample of stream water…

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Q: I (A) (D) Bu Ph PH Ph MCPBA then heat (B) PH minor product? Ph major

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Q: H + H₂O H₂SO4 →

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Q: Calculate the non-standard cell potential (in V) for the following reaction at 94.68 °C with the…

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Q: 4th attempt Part 1 Ag+ (aq) + Cl(aq) →→→ AgCl(s) -33 J/K Part 2 CH₂CH₂CH₂(g) +50₂(g) → 3CO₂(g) +…

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Q: 2. Calculate ionic strength for solution containing 0.5 M Al2(SO4)3, 0.15 M KCl, 0.1 M CH3COOH.

A: Ionic strength of an Electrolytic Substance can be determined by using following formula -  I = 1/2…

Q: Assume a reaction is 100% efficient UNLESS you are told otherwise. 1. Given: 1 CH4 + 2 O₂ → 1 CO₂ +…

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Q: Write the lewis electron dow structure of Magnesium Iodide. Determine also whether Magnesium Iodide…

A: Lewis electron dot structure is representation of valence shell electrons of an atom, molecule or…

Q: Calculate the [H30+]value of{OH-}=1.2x10-11M

A: We have to calculate the [H3O+]

Q: What is the major product of this reaction? a) c) OH H₂SO4 heat b) d)

A: Answer : Correct option (A)   Explainination : Reaction : Elimination Reactions of Alcohols :…

Q: b)

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Q: What type of lipid is the major component in a lipid bilayer structure in a membrane? A)…

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Q: Maps ! 1 F1 O A 1 tion N HO H HO HO 11 2 * F2 W S CHO command X )( # 3 CH₂OH H LU 80 F3 E OH H D H…

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Q: Arrange the following alkyl halides in order of increasing boiling point: (CH 3)3Br, (CH 3)2CH…

A: Given alkyl halides are : a. (CH3)3CBr b. (CH3)2CH C(CH3)2Br c. (CH3)2CHBr d. CH3CH2F Arrange the…

Q: Mass of aluminum foil + product in grams (2)2.63gMass of aluminum foil alone in grams (3)0.55g…

A: Since you have asked a question with multiple subparts, we will answer only first 3 subparts for…

Q: For a given atom, what is the maximum number of electrons that can have these quantum numbers? I.…

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Q: Considering the C-NMR below, choose the compound from the list provided that gave rise to the…

A: The carbons with different environment will give different signal in C-13 spectrum.  This shows the…

Q: (7) Write a balanced nuclear equation for the following reactions and identify X, X, and y a) XCH-2,…

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Q: How can we determine the number of valence electrons an element has?

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Q: From the following equations use the values of Ksp , Ka, and Kf to find the equilibrium constant for…

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Q: 1. 2. 3. Pb(NO3)2 _Cl₂ + C3H6+ + ______K₂CrO4 --> KCI + KI --> _0₂ --> PbCrO4 + ____I₂ _CO₂ + H₂O…

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Q: The word prokaryotic means

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Q: Write the lewis electron dot structure and determine whether it is ionic or covalent: a. Beryllium…

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Q: The diagrams 1 to 3 below can be arranged to show the mechanism involved in a familiar reaction. The…

A: This is bond opening of epoxide in acidic medium.As oxygen has lone-pair of electrons so oxygen…

Q: If NaHCO3 solution was used to dissolve aspirin, why can’t NaOH be used instead and why was the…

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Q: The diagrams 1 to 3 below can be arranged to show the mechanism involved in a familiar reaction. The…

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Q: Write the product and the mechanism for reaction. Write the names of starting material and product…

A: A question based on alkene that is to be accomplished.

Q: 1.2 Use the criteria for aromaticity to determine if the following compounds are aromatic,…

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Q: Two metals X and Y are mutually soluble in all proportions in the liquid state, but are completely…

A: We have find out the answer by drawing binary X-Y phase diagram.

Q: Acetic acid partially dissociates according to the reaction below. HC₂H3O2 + H₂O(1) H3O+ + C₂H30₂ ⇒…

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Q: If Kp = 927 for the reaction below at 310.0 K, then what is the value of Kc?(R = 0.08314…

A: Given, 2A(g) + B(s) ⇌ 2C(s) + D(g) Kp = 927 Temperature (T) = 310.0 K Note: 1 bar = 0.987 atm…

Q: 2. Write the product and the mechanism for reaction. Write the names of starting material and…

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Q: 27.Formaldehyde has the formula CH₂O. How many molecules are there in 0.11 g of formaldehyde? A) 6.1…

A: Given :  Mass of formaldehyde = 0.11 g

Q: QUESTION 3 Find out which of the followings is/ are not obey octet rule? XeF4 PC15 NO2-1 H3O+ All…

A: ANSWER 3 Octet rule is define as atom or element having  8 electron in its outer most orbital is…

Q: 4. Which of the following is not a correct description of 16.0 grams of methane, CH₂? A. It is one…

A: The one mole of compund or molecule is equal to the molecular mass of that compund or molecule .…

Q: Two metals X and Y are mutually soluble in all proportions in the liquid state, but are completely…

A: To determine the composition of the phases present at a temperature of 175 °C for an alloy having 20…

Q: othermal by

A: Given as  The comparison as,

Analytical Tools

Analytical tools or analysis tools help one to get into a conclusion or results from the data collected. Analytical tools can be applied for simple data sets and also in the case of big data analytics.