One isomer of 2-methylbutane could be hexane. True False

Q: A certain liquid has a density of 0.87 g/mL. 1.25 L of this liquid would have a mass of kg=1000 g)…

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

Q: (D) Answers B and Care (7) The solubility of the following gases in water is determined by Henry's…

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Q: Part A Wine is 13% alcohol by volume. How many milliliters of alcohol are in a 0.700-L bottle of…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: A 20.0 g cube has one side equal to 1.50cm. What is its density?

A: Mass of cube = 20.0 g Volume cube = (1.50)3 cm3

Q: When did the world know fusion existed? Select one: B.1920 C.1960 D.1980

A: FUSION:--It is process in which two nuclei fuse with each other and produces energy. •Fusion of…

Q: Data: Year # of Pennies 1998 60 2000 2003 50 55 volume of Pennies, mill Ave. vol mi Ave density…

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Q: of (C) Freezing of a liquid 6) Which of the following systems has a negative sign of AS (A) H₂O →…

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Q: A 2.00 mol sample of carbon dioxide undergoes a two-step process. First, at a constant volume, the…

A: GIVEN Constant Volume molar heat capacity of Carbon dioxide gas (Cv ) = 28.46 J /mol . K Heat of…

Q: A solution made by dissolving 9.8g of barium chloride is reacted with a second solution containing…

A: Male is a standard unit for measuring large quantities of very small entities such as molecules,…

Q: Use the References to access important values if needed for this question. Given the standard…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: How many moles of electrons are transferred from the oxidation half reaction to the reduction half…

A: The given chemical reaction is Ag+ (aq) + Sc (s) →Sc3+(aq) + Ag (s)   oxidation half cell Sc (aq)…

Q: Glutamic acid has three ionizable groups. The pKa of a-COOH is 2.19; a-NH 3+, 9.67; and the R-group,…

A: Given - Pka of α-COOH of glutamic acid = 2.19            PKa of α-NH3+ of glutamic acid = 9.67…

Q: 17. You have 41 mL of water in a graduated cylinder. After dropping a pebble into the graduated…

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Q: A sample of H2 gas occupies 49.2 L at 391.2 K and 2.13 atm. The same sample occupies ? L at 372.6 K…

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Q: Substance O2(g) PC1(e) POC13(g) AH (KJ/mol) S (J/mol.K) 205.5 273.1 325.5 0 -319.7 -558.5 25 =:…

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Q: How many alkyl substituents are attached to the parent chain?

A: Alkyl substituents are also known as the side chains.

Q: Concentrated sulfuric acid is 98.0 % H₂SO4 by mass. Calculate the molarity of this solution if the…

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Q: NAME THE FOLLOWING COMPOUNDS. H₂O CO

A: We have to name the given molecules H2O and CO

Q: Compound 1 Compound 3 e Compound 2 Compound 4 What is the relationship between Compound 1 and…

A: Isomer - Compounds having same molecular formula but different structural formula known as isomer…

Q: b) In a second experiment to verify the value of x, the pharmacist heated a 3.752g sample of the…

A: Given, mass of sample of lysine hydrate =3.752 g mass of sample after heating =  3.278 g

Q: A 48.5-g sample of ice at -10.0°C is mixed with 110.0 g water at 85.0°C. Calculate the final…

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Q: Iridium‑192 undergoes β decay and then emits γ radiation. Identify the stable daughter nuclide…

A: During β decay β -particles release .Which is high energy electron.

Q: Question 1 a) This question concerns the theoretical molecule xenon thiotetrafluoride, XeSF4. i)…

A: Since you have have posted a question with many sub-parts , which further on have questions in it,…

Q: CH₂ CH₂ | | CH3 CH3 CH3 I CH₂ CH₂ CH3 What is the relationship of these two structures? They are…

A: Identical compounds have same molecular formula and same connectivity of atom Isomers have same…

Q: What is the concentration of Co(OH)₂ (aq) in a solution in which the concentrations of Co²+ and OH…

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Q: A favorable entropy change occurs when AS is positive. What can be said about the order of the…

A: Answer: Entropy is the measure of disorderliness of the system and enthalpy is the measure of total…

Q: A steel ball-bearing with a circumference of 26.1 mm weighs 200 mg. What is the density of the steel…

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Q: The lowest three vibrational energy levels of 7⁹Br2 lie at 162.39, 485.56 and 806.57 cm-1. Determine…

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Q: A good sample of benzoic acid melts at 121-122˚C. However, a student had a sample that melted over a…

A: Given: A good sample of benzoic acid melts at 121-122˚C. However, a student had a sample that melted…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

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Q: Data: year year of Pennies # of pennies weighed Total mass (9) Average mass 2000 2000 50 122.59829…

A: To draw the graph for given data, we need to write data in the excel sheet and then we can select…

Q: If 42.7 mL of 0.202 M HCl solution is needed to neutralize a solution of Ca(OH)2, how many grams of…

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Q: What is the IUPAC name of the following monofunctional compounds?

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Q: Chemistry No two pure compounds can have the same melting point. Is this statement true or false?…

A: The temperature at which a compound melts is known as the melting point of that compound.

Q: 1. What is the average volume the pennies in cm3? Does it change with time? 2. Describe the results…

A: The conversion factor for Volume: 1 mL = 1 cm3  So for density: 1 g/mL = 1 g/cm3

Q: pleasee convert this with solution 759g-cg 466.75qt-mL 610.76min-ms

A: •Here we have to convert one given unit to another. • Here:- g= grams                cg=centigram…

Q: 15. A solid compound has a mass of 52.20 g. You scrape 14.85 g worth of material off the compound…

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Q: Round 0.00971659 to three significant figures.

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Q: At a certain temperature, the solubility of strontium arsenate, Sr3 (AsO4)2, is 0.0550 g/L. What is…

A: Given, solubility of strontium arsenate, Sr3(AsO4)2 = 0.0550 g/L Ksp = ? Note: molar mass of…

Q: In the first stage of the industrial production of nitric acid, ammonia reacts at high temperature…

A: Rxn : 4 NH3(g) + 5O2(g) ---> 4 NO(g) + 6 H₂O(g)

Q: CH3 | CH3-CH2-CH-CH3 H3C-CH-CH3 They are isomers. They are the same compound. They are not related.…

A: Since, Isomers are those whose molecular formula is same but arrangement of atom is different. Thus,

Q: Give a clear handwritten answer ...math the formulas with their structures....

A: In the bond line angle formula, each covalent bond between carbon-carbon or carbon-heteroatom is…

Q: B) ??? ???

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Q: A certain gas obeys the Van der Waals equation with a = 0.500 Pa m6 mol-2, and with molar volume…

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Q: In the laboratory a student combines 27.0 mL of a 0.109 M potassium bromide solution with 25.3 mL of…

A: Molarity of potassium bromide =0.109 M Molarity of ammoniumbromide = 0.343 M Final volume = 52.3 mL

Q: Glutamic acid has three ionizable groups. The pKa of α-COOH is 2.19; α-NH 3 + , 9.67; and the…

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Q: r) s) Br CH3OH H₂SO4 OH NaOH CH3ONa CH3OH

A: -> Base can abstract most acidic hydrogen and form nucleophile which can give nucleophilic…

Q: Construct the possible bonding, antibonding, and nonbonding molecular orbitals from combinations of…

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Q: How many moles of magnesium oxide are produced by the reaction of 3.82 g of magnesium nitride with…

A: Mass of Mg3N2 = 3.82g Mass of H2O = 7.73g Molar Mass of Mg3N2 = 100.9 g/mol Molar Mass of H2O = 18…

Q: What is the relationship of these two structures? They are isomers. They are not related. The are…

A: Since, Isomers are those whose molecular formula is same but arrangement of atom is different. Thus,