Question 11 Listen Which of the following involves a chemical change? boiling water melting ice chopping wood cooking an egg none of these

Q: Which functional group is NOT present in the structure of a monounsaturated fatty acid, such as…

A: Given structure is of monounsaturated fatty acid. 1. Ether  structure is -: R-O-R  2. Carboxylic…

Q: Draw Lewis structures, 3-D structures, and the name of the electron group geometry and molecular…

A: Lewis dot structure is diagrammatic representation of molecules in which bonding and non bonding…

Q: At 300 K the vapor pressure of pure chloroform (CHCl3) is 0.261 atm and the vapor pressure of pure…

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Q: CH у сна CH₂ A В OH CH₂ с D CH₂ CH CH₂

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Q: A cylindrical glass tube 12.7 cm in length is filled with mercury. The mass of mercury needed to…

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Q: Discuss the concept and importance of 1H-1H Correlation Spectroscopy (COSY) in structure…

A: Answer: There are a variety of methods for structure determination like X-ray crystallography, cryo…

Q: Question 4: Draw a resonance structure that shows how the following compound is anti-aromatic.

A: Resonance structure: If the Lewis structure of a molecule or ion cannot explain by a single…

Q: Calculate the mass of CaSiO3 if 60.64 g of Ca3(PO4)2 were used in the reaction below: 2 Ca3(PO4)2(s)…

A: Mass of CaSiO3 can be determined from the moles of Ca3(PO4)2

Q: 1. Give IUPC name for the following compounds a) (CH3)3COH c) HOCH₂CH2OH b) CH₂=CH-CH₂OH d)…

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Q: The rate constant for this zero-order reaction is 0.0150 M s¹ at 300 °C. A →→ products How long (in…

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Q: each of the following sets, which atom or ion has the smallest radius? H, He Cl, In, Se Nb, Zn, Si…

A: In an atom, there is nucleus at the center and electrons are revolving around it. Electrons are…

Q: 1.Choose which of the following is the reducing agent in the reaction: HNO3 + HI --> NO + I2 + H2O…

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Q: How many milliliters of a syrup containing 85% w/v of sucrose should be mixed with 150 mL of a syrup…

A: Given data is Concentration of the first solution of the syrup = 85 % Concentration of the second…

Q: The first three ionization energies of an element X are IE₁ = 590 kJ.mol-¹ IE₂ = 645 kJ.mol-¹…

A: Ionization energy is the energy required to remove an electron from the outermost shell of an…

Q: What is the density (in g/L) of N2 gas at 35oC and a pressure of 365 mmHg?

A: Given: Temperature = 35oC Pressure of gas = 365 mmHg Molar mass of N2 = 28 g/mol

Q: -F Two protein structural features are illustrated below. These features represent two types of ISCR…

A: There are different type of protein structure- primary , secondary, tertiary and quaternary…

Q: Draw a diagram that represents the ions formed in water when 2 Aluminum sulfates dissolve in water.

A: Aluminium sulphate is a chemical compound that contains 2 aluminium and 3 sulphate ions. It is an…

Q: Part A Recall all the models you described in task 1. Think about the results each model would…

A: Models of the atom does the experimental evidence support for the experiment with hydrogen gas are:…

Q: How many moles of bromine trifluoride are needed to produce 18.1 L of fluorine gas according to the…

A: For a gas of fixed amount, at constant temperature volume is reduced which will results in increase…

Q: 3D chairs needed as well

A: The required stereochemistry for elimination reaction (E2 reaction), hydrogen and halogen atom must…

Q: 11-56 Order each of the following sets of compounds with respect to SN 1 reactivity: NH₂ CH₂CH₂CHCH₂…

A: A question based on introduction to organic chemistry. Three questions about the structure of…

Q: Review & Preview Analyze the Lewis structure for oleic acid, the molecule that makes up vegetable…

A: This question is based on solubility and nature of a substance.

Q: When aqueous solutions of sodium phosphate and calcium iodide are combined, solid calcium phosphate…

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Q: Draw the major product formed when the structure shown below undergoes an elimination reaction…

A: Above given reactants gives major product of an alkene. Elimination reaction is the reaction in…

Q: Liquid butane is used in cigarette lighters. The boiling point of butane at 1 atm pressure is -1.0…

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Q: A sample of helium gas, He, has a density of temperature of 39°C. Submit Answer Retry Entire Group…

A: To find out the density, we need to use the formula which contains pressure, temperature and density…

Q: Cis-[PtCl2(NH3)2] is a complex commonly known as cisplatin. When the two chloride ligands in this…

A: Paramagnetic: Contains unpaired electron Diamagnetic: There is no unpaired electron

Q: A 175 mL buffer solution is 0.177 M in HONH2 and 0.149 M in HONH3 CL What is the pH of the solution…

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Q: Pt | H₂ (0.50 atm) | H+ (0.10 M) || MnO4- (0.10 M), Mn²+ (1.0 M), H* (0.10 M) | Pt 2H+ + 2e →→ H₂ Eº…

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Q: Write the expected electron configurations for each of the following atoms: Cl, W, Na+, I-, S2-, and…

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Q: How many carbon atoms are there in 25 molecules of C4H4S2?

A: In the molecular formula, the subscript written next to the atom represents the number of that atom…

Q: For the following reaction, 6.57 grams of potassium hydroxide are mixed with excess carbon dioxide.…

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Q: Calculate the free energy change that occurs when a reaction has an enthalpy of −315.2 kJ mol−1 and…

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Q: Question 7 4) Listen An object is 140.7 inches in height. Express this height in centimeters. 55.39…

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Q: M. Write the net ionic equation for the formation of each of the following insoluble compounds in…

A: a) The net ionic equation for the formation of lead(II) chromate in aqueous solution is as follows:…

Q: Name the two product names (organic chem)

A: The given two compounds are to be named.

Q: Calculate the de Broglie wavelength for a football (10 oz) stored in locker room

A: mass of football = 10 oz

Q: Fill in the missing information for the following isotopes: 34 Si X = X 36 X 6P X=

A: We have been given two isotopes and we have been asked to write missing information.Atomic number is…

Q: Describe what is meant by chemical kinetics • Describe the factors that affect the rate of chemical…

A: We need to explain what is chemical kinetics and the factors affecting chemical reaction. Then we…

Q: Both answer plz   What is the total sample size (in grams) for a sample of magensium nitrate which…

A: Given ->  Weight of Oxygen= 2.93 gm

Q: HyPOalaq) + 3 Mg(OH)2(ag) = Mga (PO4/21s) + 6 H201 If 35.0 mL of 1.67 M HsPO4 are reacted with 50.0…

A: Since you have posted a question with multiple sub-parts, we will provide the solution only to the…

Q: Draw the product(s) of each of the following reactions, disregarding stereoisomers: a. + Br₂ hv b. +…

A: The reaction of alkanes with halogen in the presence of light or heat leads to the formation of…

Q: Bronze is an alloy made of copper (Cu) and tin (Sn). Calculate the mass of a bronze cylinder of…

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Q: Draw the major organic product formed when the compound shown below is heated with H₂SO4.…

A: -> Alcohol in presence of acid give dehydration of alcohol and form alkene as product it proceeds…

Q: Determine the theoretical yield of water if 2.4g of hydrogen gas reacts with excess oxygen gas…

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Q: Identify if the following name and structure have any mistakes. If it has a mistake, fix them by…

A: The naming of an organic compound can be done with help of rules of international union of pure and…

Q: of CI aq HCI heat (3) (1) 1. LIAIHA 2. H₂O 1 eq CH3NH₂ aq NaOH (2) (4)

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Q: oxidizing and reducing agents. Cri3 + H₂O2 → CrO4²- + 104

A: Given that, a redox reaction is CrI3 + H2O2 → CrO42- + IO4-. We have to balance the above redox…

Q: As protons are pumped across the inner mitochondrial membrane, a high concentration is present on…

A: Proton pump is a membrane-integrated enzymatic complex which is able to mobilize protons to generate…

Q: Rank the following in order of increasing first ionization energy; Be, B, C, N, O. Explain your…

A: Ionisation energy is the minimum amount of energy requires to remove an electron from it's valance…