Select all that apply List two major characteristics of elements. make up all matter smallest living functional unit of thell parts of atoms composed of atoms ✔

Q: 2. Enumerate atleast 3 members of alkanes, alkenes, alkynes and the aromatic hydrocarbons. Mention…

A: Given: Hydrocarbons: Alkanes Alkenes Alkynes Aromatic Hydrocarbons

Q: -37 H Indicator bromocresol green blue phenolphthalein methyl red phenol red Colour chlorophenol red…

A: Chlorophenol red dye is a indicator that change the colour in titration at pH range 4.7 to 6.8.…

Q: Question 3 (0) a) b) explanation of your reasoning. (iii) (iv) acceptance dominates in this complex!…

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Q: A voltaic cell consists of two half-cells. One of the half-cells contains a platinum electrode…

A: An electrochemical device known as a voltaic cell harnesses the power of a chemical process to…

Q: 1.23 x 106 Greatest 5.67 x 10² 4.56 × 10³ The correct ranking cannot be determined. 2.34 x 105 3.45…

A: This question belong to number and digits. I have solved this question by expansion. Expansion of…

Q: Give the names of the polymers in the IUPAC system H(-O-CH-O-CO-CHCO-)OH

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Q: Data Table 1. Moles and Atoms in Common Items Item Aluminum Cup Glass Stirring Rod Cotton Ball A.…

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Q: Complete and balance the following chemical equation, which occurs in acidic solution: Fe2+ (aq) +…

A: In order to balance the given reaction involves the question, it is quite necessary to determine the…

Q: Select the correct products for the total hydrolysis of lipid A from the options below: Select one:…

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Q: A 77% excess air at 20 °C mixing with gas fuel containing of 66 mole percentage CH4 and C₂H6. Air…

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Q: In the determination of Pb in a contaminated fishmeal, 5.08 g of sample was weighed. Digestion with…

A: Here we are required  to  find  the concentration of Pb in the sample in ug/kg and the % of Pb in…

Q: When the pH of a solution changes from 10 to 8, the hydroxide ion concentration [OH-(aq)] Select…

A: Here, we have to find the changes in the hydroxide ion concentration when the pH of a solution…

Q: 5) What is the differential diagnosis protocol for celiac disease?

A: Celiac disease is an inflammatory disease of the small intestine with a prevalence of roughly…

Q: 2. Element "X" has 2 naturally occurring isotopes with the following masses and natural abund X-69…

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Q: Q1: You are tasked to prepare three buffers with pH values: 9.10, 10.45, and 4.65. You have the…

A: Buffers - When an acidic or basic component is added, a buffered solution can withstand the pH…

Q: hemistry 1-bromo-1-methylcyclopropane + H2O → 1-methyl cyclopropane + HBr   bromocyclopropane + H2O…

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Q: A 340 L sample of seawater contains 8.90 g of gold(III) chloride. What is the concentration of…

A: we have to calculate the concentration of gold(III) chloride in ppm

Q: Love the following information to answer the next question. The base lithium propandate…

A: Given → Concentration of lithium propanoate = 0.25 mol/L

Q: what are the reagents to carry out this multi-step reaction and what are their inetermediates?…

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Q: (8) 8. Using the Henderson-Hasselbalch equation, calculate the expected pH of your buffer. How does…

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Q: *4-9. Find the amount of the indicated element (in moles) in (a) 8.75 g of B₂O3. (b) 167.2 mg of…

A: Here, 1). Molar mass of B2O3 = 69.6 g/mol   2). Molar mass of Na2B4O7.10H2O = 381.37 g/mol  3).…

Q: What type of reaction is indicated by the production of HBr? Two of the reactions above produce HBr.…

A: In this question, we have to discuss the reaction in which one of the product formed is HBr.

Q: List an advantage of using a pH meter for monitoring sewage, industrial wastes, and soil pH.

A: •pH monitoring:--To find that a substance is acidic or alkaline we use pH monitoring. •pH monitoring…

Q: What are all the main reaction mechanisms in organic chemistry?

A: Every reaction is a conversion of one compound (reactant) to another (product). An equation…

Q: the pKa of the weak acid tha acid dissosciation constant, Ka of the monoprotic acid, HA

A: this is acid base titration. Weak Acid is HA and strong base is NaOH. When NaOH is added to HA…

Q: Find Five candidates of RR Lyrae type with magnitude under +11?

A: RR lyare  With periods ranging from a few hours to two days and optical brightnesses that normally…

Q: D of What is the effect on a solution when the temperature of the solution is increased? Select one:…

A: Please find the attachment.

Q: How could you differentiate each of the following pairs of constitutional isomers by mass…

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Q: 2. Methylamine has a vapor pressure of 344 torr at -25 °C and a boiling point of -6.4 °C. Find AHap…

A: Given, Pressure (P) P1 = 1atm = 760 torr P2 = 344 torr Temperature (T) T1 = -6.4°C = (-6.4 + 273.15)…

Q: A 77% excess air at 20 °C mixing with gas fuel containing of 66 mole percentage CH. and C₂H6. Air…

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Q: I do not understand why this configuration would be in the excited state? Is it becasue one of the…

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Q: a) 30 wt.% Ge alloy is slowly cooled from 600°C at what temperature does the first solid phase is…

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Q: For a particular cell based on the reaction: 3 AgCl(s) + Al(s) → 3 Ag(s) + Al³+ (aq) + 3 Cl(aq) E =…

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Q: Q/Write the chemical structure of the polymers 1- poly(2-propyl ethyl acrylate) 2- poly(1-phenyl…

A: A question based on introduction to polymers that is to be accomplished.

Q: An aqueous solution of 4mol/L nitric acid is electrolysed in an electrolytic cell using graphite…

A: Introduction Electrolysis- A current is transmitted between two electrodes through an ionized…

Q: 3,4-dimethoxylbenzaldehyde reacts with 1-indanone to form what product in an Aldol-condensation…

A: In aldol reaction atleast one reactant must have alpha hydrogen..

Q: Why it's impossible to get a hundred percent yield from the original sample?

A: Here we are asked reason responsible for not getting hundred percent yield from the original sample.

Q: If the Henry’s law constant is 3.30 x 107 Torr for a solution of O2(g) in water at 25oC, find the…

A: Given: Henry’s law constant, KH = 3.30 x 107 Torr

Q: Give the chemical formula of the following coordination compound. Enclose complexes in square…

A: What is a coordination compound? An array of anions or neutral molecules are joined to a central…

Q: (a) highest boiling point Ne O Cl₂ OHI Since this compound has ---Select--- (b) highest freezing…

A: Intermolecular forces The force of attraction between the molecules of an element, a compound or a…

Q: (b) Protein concentration can also be determined by UV spectrophotometry. (i) Describe the principle…

A: Answer. UV spectrophotometry or UV-Visible spectroscopy  is an analytical technique used to identify…

Q: Which of the following statements is incorrect? Molecular solids have high melting points. lonic…

A: Only Option A is the incorrect statement .  i.e. Molecular solids typically have high melting point.…

Q: MgF, can be classified as which type of solid? 2 Li 2A Be CHEMICAL NAME molecular metallic He…

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Q: Can you please determine the lewis structure, shape, and if it is polar or nonpolar for the species…

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Q: Andrew arrived at school and went directly to his earth science class. He took off his cap and coat…

A: Definition of density: A material's density is determined by how closely it is packed. Formula of…

Q: What is the correct stereochemical designation for the following molecule according to IUPAC? M…

A: For alkene, if different types of groups are present, stereochemistry is decided by priority rules…

Q: A…

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Q: 8 Calculate 9 Calculate the mass of Cl₂ the mass of bleach?

A: CHLORINE  One of the top ten chemicals produced in the US by volume is chlorine (Cl2). Commercial…

Q: What is major the product of this reaction? (H3C) 3C (A) (B) (C) (D) C6H5- HO C6H5 C6H5 H C6H5 C6H5…

A: The given reaction is an example of cross aldol condensation reaction .

Q: Find the vapour and liquid phase composition for an air(1)/water(2) system in equilibrium at 25°C…

A: Here given that, Temperature  = 25 °C and  Pressure = 1 atm =101.325 kPa And vapour pressure of…