explain why certain areas have more air pollution than others.

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Q: а. b. C. d.

A: Vitamin A also known as retinol. It is a fat soluble vitamin. It is highly essential vitamin for hum...

Q: Consider the volume vs temperature graph below of an unknown 36.00 mL alcoholic moture: Distillation...

A: Volume of alcoholic mixture = 36 mL Volume of distillate collected  = 18 mL Remaining volume in the ...

Q: KBr + KCIO, + H,SO, Br, + KCI + K,SO, + H,C

A: Answer - Oxidation number method - The oxidation number method, also called oxidation states, keeps ...

Q: Crystal seeding

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Q: Question 1 II A в D What is the design of figure II? diode array spectrophotometer single beam spect...

A: Spectrophotometer is an instrument which is used to measure intensity of light spectra absorbed/ tra...

Q: Some measurements of the initial rate of a certain reaction are given in the table below. H2 2| init...

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Q: Provide the proper IUPAC or common name for the following compound. [do not use italics in Canvas]

A: IUPAC nomenclature of organic chemistry is a method of naming organic chemical compounds as recommen...

Q: What is the IUPAC name for the molecule shown below?   a 1,2-dimethyl-1-propylcyclopropane   b 2...

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Q: Activity 1 Atomic radii and ionic radii are found in the IB data booklet. Explain why: (a) the potas...

A: Comparison between radii of atoms or ions. Order of radii  Electronegativity 

Q: A quantity of N, gas originally held at 3. 80 2 atm pressure in a 1. 00 L container at 26°C is trans...

A: Given, For N2 gas : Pressure : 3.80 atm                           Volume : 1.00 L                   ...

Q: Some chemicals, like hydrogen peroxide, are prone to decomposition by photocatalysis. How can you pr...

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Q: What is the linearity (r2) value of the following concentration and absorbance values: SAMPLE |CONCE...

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Q: 5分 In the mechanism for the following reaction, what takes place to lead to the major product? (Choo...

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Q: Provide the proper IUPAC or common name for the following compound. yoe HO OH

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Q: pKa's: 2

A: Given as, pKa 1=2.19,pKa 2=6.94,pKa 3=11.51. As per rule, allowed to answer one question and post th...

Q: The following chemical reaction HI(g) + CH;I(g) CH,(g) + 1(g) - is characterized by the experimental...

A: From the given table :  Activation energy of the reaction = ?   

Q: The pOH of a solution of NaOH is 11.30. What is the [H+] for this solution? O 2.0 x 10-3 O 2.5 x 10-...

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Q: Using the given data above, determine the following information: What is the Amax of Jerry? O 650 nm...

A: Wavelength maximum (λmax) is defined as the wavelength at which maximum absorption occurs. 

Q: 375 370 365 360 355 350 345 340 0.1 0A 0.6 0.7 0.8 0.9 0.2 0.3 05 A A Mole fraction B B The depicted...

A: The depicted liquid- vapour diagram is ...

Q: The molar enthalpy of fusion of ice at 0 Celsius and a pressure of 1.00 atm is 6.01 kJ, and the mola...

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Q: solution Conductivity – high, Explanation low or zero? 0.1 mol/L ethanoic acid 0.1 mol/L ammonia A m...

A: 0.1 mol/ L ethanoic acid    Since ethanoic acid (Acetic acid) is weak, its dissociation is very low....

Q: What is the concentration of the undiluted KMnO4 solution? 1.6872 g/L 0.4872 g/L ...

A: Given

Q: -y moles o

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Q: The liquid-liquid extraction is the classical technique in chemistry to isolate a target component f...

A: Liquid-liquid extraction is also known as solvent extraction in which compounds are separated based ...

Q: HaSou Is03 230°C /24hrs.

A:   Pyridine undergoes electrophilic substitution preferably at 3-position(or β-position) as it result...

Q: What is the mass in grams of 7.70 × 1014 lead (Pb) atoms? × 10 Enter your answer in scientific notat...

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Q: Question 26 Using the figure below, match the name of the parts of UV-Vis Spectrophotometer with the...

A: UV-VIS spectroscopy use for detection of electronic transitions of molecules. It is considered for c...

Q: Use the Standard Thermodynamic Properties table to calculate ΔHo for the following reaction: B2H6(g...

A: The reaction given is, => B2H6 (g) + 3 O2 (g) → B2O3 (s) + 3 H2O (l)  

Q: 1. Consider the reaction at 25 degrees Celsius 2NO3 iaa) + 8H ian) + 3Cu(s) → 3CU2"(aa) + 2NO(g) + 4...

A: Here we have to determine whether the above redox is spontaneous or not in the given condition of re...

Q: pure explanation only no structural formula or any concepts needed

A: Phenol is hydroxy benzene.It is ortho para orienting group. Here we have to find out the answer of g...

Q: Given the following reactions Fe2O3(s) + 3CO(s) → 2Fe(s) + 3CO2(9) AH = -28.0 kJ 3Fe(s) + 4CO2(s) → ...

A: Given Reaction:-  Fe2O3(s)  + 3CO(s) -----> 2Fe(s) + 3CO2(g)   ∆H = -28.0kJ ..... (1)  3Fe(s) + 4...

Q: What would be the best reagents to carry out the following Fischer esterification? OCH, methanamid (...

A: The correct answer is given below

Q: How do you define chemistry?

A: How do you define chemistry ? 

Q: Question 1 Calculate the standard enthalpy of formation of CaCO3 at 298K in kJ/mol from the followin...

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Q: Rank the following compounds by relative reactivity from most-to-least reactive (i.e., more reactive...

A: Reactivity of carbonyl compound is inversely proportional to steric hinderence 

Q: iven the stock solution (0.019 M) and diluted solution (0.013M) can you help me compute with How mu...

A: Stock solution of 0.019 M ascorbic acid                                 Ascorbic acid present in a t...

Q: 375 370 365 360 355 350 345 340 0.1 02 03 04 05 0.6 0.7 0.8 09 A A. Mole fraction B What is the esti...

A: Note: Please plot this figure on a graph paper, you will get accurate value  of boiling point 351K.

Q: Which of the following monochromator terms is NOT correctly defined? O refraction: scattering of lig...

A:  Question 10 A mochromatic ( mono = single)  light is a light with a single wavelength or frequency ...

Q: • Part A The specific rate constant for the first-order decomposition of N2O5 (g) to NO2(9) and Oz(9...

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Q: Show complete solution. Balance the given molecular equation using redox (electron-transfer method)....

A: We are given the reaction., Cr2(SO4)3 + Fe2(SO4)3 + KHSO4 + H2O ➔ K2Cr2O7 + FeSO4 + H2SO4 There is t...

Q: a) PhMgBr b) CHgNa• BeCl, c) CH CH BCI,

A: organic reactions

Q: Which part in the figure can be a grating or prism? O A O B OD

A: Instruments for analyzing light and for determining the identity and structure of materials that emi...

Q: The reaction of 5.0 g of CuSO 4 with excess sodium hydroxide produced 2.6 g of Cu(OH) 2. What percen...

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Q: Science in Everyday Living Let Us Apply A. Identify the following substances based on their classifi...

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Q: You have 100 mL of solvent available to do an extraction. Which will give a better separation? O A. ...

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Q: Please show complete answer. Propose a structure consistent with following set of spectral data: a...

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Q: Which is NOT a part of a hot-filtration set-up? a. Normal filter paper (3:1) b. Pre-heated receiving...

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Q: Which of the following is the missing reagent best used to carry out the following reaction? 1. ?, T...

A: This is nucleophilic addition reaction in which grignard reagent add to aldehyde to give alcohol. 

Q: 6. Consider the following reactions: a. Hgm → Hg) b. 30a(g) → 203(®) c. CUSO, 5H2(s) → CuSO4te) + 5H...

A: