The oxidation number of an element may differ depending on whether or not it is contained within a molecule. True False

Q: Type of clay is found to be 48% silica. A held sample of this clay is 15% water. What is the mass…

A: Please find your solution below : Mass percent is a way of expressing the composition of a substance…

Q: 25. Both cis-1,2,-dichloroethylene and trans-1,2,-dichloroethylene have the same molecular formula:…

A: 25). Answer : Since you have posted multiple questions, we will provide the solution only to first…

Q: I am in need of help figuring out my lab. Here are attachments of my lab. I have table 1 down but I…

A: The answer for this problem is provided below in great details within the attached figures.

Q: Place the following solutions in order of increasing osmotic pressure. 0.15 M C2H6O        0.15M…

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Q: Calculate AH for the reaction C(s, graphite)+ O2(g)→ CO(g) AH = ?

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Q: ration of A will reach 0.010 M in the reaction shown in Question 8 (A → in below: -1.5 _0 In…

A: Using the integrated rate law equations, time at which concentration= 0.010 M can be determined.

Q: A 'H NMR signal is observed at 106.0 Hz (downfield of TMS) on a 115-MHz instrument. a) What is the…

A: Chemical shift of protons in 1H-NMR measured in delta (δ) unit in ppm. Because this unit is…

Q: Simplify. 5a² 2a6b² Write your answer using only positive exponents.

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Q: how to find the missing data in Table 1?

A: To complete the table given for the concentration of H2O2, I- and S2O32- and the average rate of…

Q: Determine the Kinetic energy of 1 mole oxygen at 250 K. (R = 8.314 J/K.mol).

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Q: H C 3. (5S,7R)-7-bromo-3,9-diethyl-6,6-dimethylundec-3,8-dien-5-ol HC Н.С. OH by CH₂ Br -CH₂ "CH₂ I…

A: If chiral carbon or chiral center is present in any structure then all - CH2  hydrogen have…

Q: In a recrystallization experiment, describe a procedure to solve the following problem: No crystals…

A: No crystals are formed when a solution reaches room temperature during recrystallization. To…

Q: A chemist measures the enthalpy change AH during the following reaction: 8 SO₂(g) + 16 H₂S(g) 3…

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Q: Next the calcium hydroxide reacts with magnesium ions, Mg2 () in the seawater to produce magnesium…

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Q: Complete the table below by writing the symbols for the cation and anion that make up each ionic…

A: Since, Ionic compound are those which on dissociation gives cation and anion. Thus,

Q: Read each description in the first column of the table below. If any chemical element with atomic…

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Q: Write the chemical formula for this molecule: Drag the slider to get a different view of the…

A: Valency of Carbon=4,means C has total 4 bonds Valency of Hydrogen = 1, means H has 1 bond Valency of…

Q: 2. Deuterated benzene, a specialized solvent used for NMR spectroscopy, can be synthesized from…

A: Hydrogen and deuterium are isotopes having a general difference in their mass number. In some…

Q: Q14. What is the angular momentum of an electron in 2p hydrogen like orbital? A. 0 B. 0.23 h C. 0.40…

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Q: A brick has a mass of 4.0 kg and the Earth has a mass of 6.0 × 10²7 g. Use this information to…

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Q: 2 AB₂ (aq) + 3 X₂ (aq) → 6 BX (aq) + A₂ (aq) In order to study the kinetics of this reaction, a…

A: The sum of the exponent term in the rate law for a chemical reaction is known as the order of the…

Q: 80°F When 26.62 moles of FeS₂ react with 5.44 moles of O₂ in this reaction below, how many moles of…

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Q: 50.00 grams of chromium (III) sulfate is dissolved in enough water to prepare 250.0 ml of solution.…

A: In the given question we have to calculate the Molarity , And concentration of Cr3+ and SO42- .

Q: You have 100 mL of an acetic acid/acetate buffer. The solution is comprised of 0.33 M acetic acid…

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Q: Q5. Calculate the wavelength of transition from n = 2 to n = 3 for a particle in one dimensional…

A: A particle in a 1-dimensional box is a fundamental quantum mechanical approximation describing the…

Q: 71. Given the following reactions and the corresponding rate laws, in which of the reactions might…

A: For elementary reaction the order of the reaction is equal to the molecularity of the reaction.…

Q: the hydrogen bonding intermolecular force is and when it is created. Use H2O and CH4 in your answer…

A: We have been asked when intermolecular force hydrogen bonding is created.We have been asked to use…

Q: ) Explanation' - як Step 3 "My Br Step 4 + Explanation:- 3) нано с кое mger 2н-2-н знано мува + +…

A: THESE structure for given reaction with Grignard reagent can be solved using chem draw app

Q: Q1. Evaluate the linear momentum a free proton described by the wavefunction 5e-kx with k = 9 nm-¹.…

A: Linear momentum is the vector quantity and defined as the product of the mass of an object, m, and…

Q: For the given reaction, the rate of consumption of O2 is 0.5 mol.L –1 2H2(g) + O2(g) --> 2H2O(g)…

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Q: ii) How would you expect the second ionization energies for Na and Mg to compare? Explain using both…

A: Solution - among sodium and magnesium second ionisation energy of sodium is high than magnesium and…

Q: E) -8.71x 10-15 J Q9. How many nodes are there in the wavefunction of a harmonic oscillator with v =…

A: Node - Region of a system where probability of finding of a particle is zero  For harmonic…

Q: What is the IUPAC name for the compound shown? OH IUPAC name:

A: Rules for IUPAC naming of organic compounds:  1. Consider a longest carbon chain as the parent chain…

Q: Give the molecular and structural formulae for: 3 examples of stereoisomeric monosaccharides.

A: Monosaccharides :- The monosaccharides are the simplest form of sugar which can not hydrolysed to…

Q: Write the chemical formula for this molecule: I Drag the slider to get a different view of the…

A: Since, Molecules formed by combination of bond with correct valency. Thus,

Q: A solution of organic solvents has been prepared by mixing 45.0 mL of ethylbenzene, 300.0 mL of…

A: The weight percent, molality, and molarity are the different concentration terms. The weight…

Q: How many molecules (not moles) of NH3 are produced from 4.84x10-4 g of H₂?

A: Since, Number of atoms or molecules is the multiple of moles and avogadro's number. Thus,

Q: Choose the reaction conditions to complete the acid-base reaction shown. NaH CH3CH2OH H C:O A B C D…

A: Hex-1-yne is given, hydrogen on triple bond will act as strong acid, we can use strong base to make…

Q: ount of salt after

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Q: The total pressure for this reaction is 1.4 torr: CH4(g) reacts with O2(g) to make CO2(g) and…

A: The total pressure for this reaction is given as 1.4 torr. Since this is a gas-phase reaction and…

Q: In each row of the table, select the stronger base. ii S N_

A: Acid is substance which can accept a pair of electrons.Base is substance that can donate a pair of…

Q: pka1= 1,3; pka2 = 4,1 Masse moléculaire A= 90,0 g/mol; B= 128,1 g/mol; C= 166,2 g/mol O НО, OH A=…

A: The answer for this problem is provided below in great details within the attached figures.

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

A: Given -> Density = 1.98 g/ml  Weight= 2.99 kg = 2990 gm (1kg= 1000gm)

Q: OH CI 2) (RZ)-4-amino-2-chloro-3-methyl 6) Cl 4) (R2) -2-chloro-4-hydroxy-3-methyl Pent-2-enoic acid…

A: The International Union of Pure and Applied Chemistry (IUPAC) is the international body that…

Q: 1. Do you think Protein Free Filtrate should be part of enzymatic method of glucose determination?…

A: Protein-free filtrate should not be part of the enzymatic method of glucose determination, as it is…

Q: Br H₂C-CH₂ SPECIAL The name of compound C is: VI 3 IV H M FC # 22 CH3 GREEK ALPHABET CH3 8 X . F O 8…

A: We need provide the IUPAC name for the given organic molecule.

Q: What is the mass of the ethyl alcohol that exactly fills a 200.0 mL container? The density of ethyl…

A: Given  Ethyl alcohol that exactly fills a 200.0 mL container i.e.  Volume of ethyl alcohol = 200.0…

Q: green color is seen when a metal salt is heated in a flame. The wavelength of the light emitted is…

A: Flame tests can be used to identify the metal ion based on the color of the flame.  Each element has…

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

A: Given, At 20°C, Density of the liquid = 0.890 g/mL Volume of the liquid = 1.97 L = 1.97 × 1000 mL =…

Q: Q4. Which of the following functions is NOT an eigenfunction of the operator d/dr²: A cos(kx) B. sin…

A: Since, Function is known as an eigen function if after operating it is not as multiple of part of…