Element L M -6 Atomic Number 30 O +6 Mass Number 80 Protons 35 What is the charge of element "L"? O-2 O +2 Neutrons 36 Electrons 28 Charge -1

Q: Consider the hypothetical reaction A+B+2C 2D+38 where the rate law is AA) At Rate= -A[AB An…

A: Given, Reaction : A+2B+2C→2D+3E rate law : rate=-∆A∆t=k[A][B]2

Q: P19.4 A simulated infrared absorption spectrum of a gas- phase organic compound is shown in the…

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Q: Task 1. Express the rate law Direction: Express the rate of the following chemical reactions in…

A: Rate law represents the rate of reaction in terms of change in of concentration of reactants or…

Q: The Ksp of metal hydroxide, Ni(OH)2, is 5.48 x 10−16. Calculate the solubility of this compound in…

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Q: What is the half-life for the decomposition of O3 when the concentration of O3 is 0.86 M? The rate…

A: Unit of given rate constant is  L mol−1 h−1.    Hence given reaction follow second order kinetics

Q: Complete and Balance the following reaction. Include states for all products. If no reaction occurs,…

A: In this question,we have to complete the reaction and balance it out.

Q: 4. 5. D-glucose HTOH H₂/Ni, LiAlH ОНО Н-НО HOH НО НО-н (H- CH OH CH OH НО н НО -D-glucose CH.OH OH…

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Q: Let's use our knowledge of constant volume (bomb) calorimetry to determine the heat energy in a…

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Q: What does Buffer mean in everyday language to everyday people? Use examples to help describe your…

A: Buffer solution is one whose pH does not change with addition of acids and bases . For many purpose…

Q: What ratio of NaCN to HCN is needed to prepare a pH 10.10 buffer? (Ka of HCN is 4.9 × 10⁻¹⁰)

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Q: osphorus pentachloride decompo PC15 (g) ⇒ PC13 (g) + Cl₂ equilibrium mixture at some ter 72 g of…

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Q: Heliox is a mixture of helium and oxygen gas used to help patients with breathing difficulties. It…

A: we have to calculate the partial pressure of He

Q: suring concentration of amino acids and peptides. Which function group is responsible for light…

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Q: a) Sal b) Sn2 CI H₂oY OH EN MON CN CN

A: These are SN1 and SN2 reaction where formation of carbocation and backside attack of nucleophile…

Q: Select the set of quantum numbers that represents each electron in a ground-state Be atom. n = 1, l…

A: Quantum numbers describes the electron in an atom. Principle quantum number(n): It describes the…

Q: Exercises 1. What salt is formed in each reaction? Write its condensed structural formula. 1.…

A: Amines react with strong acids like hydrobromic acid (HBr) to give ammonium salts. In condensed…

Q: The rate equation for the hydrolysis of sucrose to fructose and glucose C12H22 O11 (aq) + H₂O(l) →…

A: Hydrolysis of sucrose follow first order kinetics

Q: edict the products of the following acid-base reaction. press your answer as part of a chemical…

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Q: The half-life of carbon-14 is 5,730 years. If you started with 100.0 g of carbon-14, how much would…

A: Recall the data, Half life of C-14=5730 years Initial amount of carbon-14=100.0 g After 6 half…

Q: Incorrect. Add curved arrow(s) to draw step 2 of the mechanism. Modify the given drawing of the…

A: Answer:- This question is answered by using the simple concept of writing the curved arrows…

Q: 0.044 is a good

A: Standard deviation --- standard deviation is statistics that measures the dispersion of dataset…

Q: Draw the alkene that would yield the following products via ozonolysis. O + :0

A: In ozonolysis, O3 in used to react with an alkene . In this reaction , double bond is broken and…

Q: Part A: Strong Acid-Strong Base Titrations. Consider 22.00 mL of a 0.16 M hydrobromic acid solution…

A: #Part-A: Hydrobromic acid, HBr is a monoprotic strong acid. Sodium hydroxide, NaOH is a monoacidic…

Q: The balanced chemical equation is 8 Al₂S₃(s) → 16 Al(s) + 3 S₈(s). How many moles of Al can be…

A: A balanced chemical equation contain equal number of atoms of each elements on both sides of the…

Q: Complete the balanced molecular chemical equation for the reaction below. If no reaction occurs,…

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Q: Suppose a 500. mL flask is filled with 1.7 mol of NO2, 1.4 mol of NO and 1.1 mol of CO₂. The…

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Q: (8) 9. How much energy is required to heat 81.0 g of water (specific heat = 1.00 cal/g°C) at 11.0°C…

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Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab,…

A: Given, 2HNO2(g) + O2(g) ----> 2HNO3(g) Standard enthalpy of the reaction (∆H°rxn) = ? Note:…

Q: Tinumy 190tope m There are only two naturally-occuring stable isotopes of antimony, the masses of…

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Q: Blackberries have a (H3O+(aq) =3.0*10^-4 mol/L what is their pH a. 2.0 b. 4.0 c. 3.0 d. 3.5

A: pH = It is the measurement of H3O+ ion of a solution less is value of pH more is the acidic in…

Q: Suppose 0.816g  of barium nitrate is dissolved in  100.mL  of a  42.0mM  aqueous solution of…

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Q: of m-chlorobenzoic acid, HC7H4CIO2, is 1.5x 10-4. (a) Suppose buffer #1 is prepared using 40.0 mL…

A: The Henderson-Hasselbalch equation for the acidic buffer solution is: pH=pKa+logsaltacid ......(1)

Q: Predicting the formula of ionic compounds with common... Write the empirical formula for at least…

A: Empirical formula: it can be defined as the simplest whole number ratio of different atoms in the…

Q: What is the pH of a solution containing 0.1M ephedrine & 0.01 M of ephedrine HCl? The pKb of…

A: Here we have to find the pH of solution containing 0.1 M of ephedrine base and 0.01 M ephedrine. HCl…

Q: 1. Predict the structure of ethanol once it oxidizes in the human body. Draw the condensed structure

A: Dear student, we are authorised to solve only one question at a time. Please post rest of the…

Q: can you draw the fragments for m/z=150 and m/z= 136. molar mass=302 НО. ОН О ОН 0-

A: A question based on mass spectrum. A structure of an organic compound is prescribed. Three different…

Q: What is the pH of a buffer solution containing HAc and NaAc after enough NaAc has been added to make…

A: pH = pKa + log [NaAc]/[HAc]

Q: Atoms of oxygen can form many different types of covalent chemical bonds. Which 19 covalent bond can…

A: #19: Oxygen is a group-16 element of the 2nd period in the periodic table.  Hence O has 6 valence…

Q: I willl upvote please hurry

A: Given: structure of molecule. Tip : select longest chain containing double bond.

Q: a. At higher temperatures, the fraction of molecules with enough energy to overcome the activation…

A: a.) We would check the affect of increasing temperature on energy.  b.) We will check the affect of…

Q: What is an ideal solution and a real solution?  Describe volatility and relative volatility?  Please…

A: The definition of ideal solution and real solution is explained below .

Q: [CH₂COOH]; 0.03 0.09 0.12 0.18 0.25 What is the average % ionization for the five % ionization…

A: According to the question we have, The concentration of the Acetic acid (CH3COOH) is given by…

Q: Give the relative rates of disappearance of reactants and formation of products for each of the…

A: When write rate law equation, rate of disappearance written with negative coefficient and rate of…

Q: P20.22 The total energy eigenvalues for the hydrogen atom are given by En = -e²/(8πɛªn²), n = 1, 2,…

A: When an operator operates on an eigen function, it produces a value known as an eigen value.

Q: What volume of 0.798 MM KOHKOH solution is required to make 3.60 LL of a solution with pHpH of…

A: Answer: To solve this question we need to find the relation pH of the solution moles of KOH used to…

Q: Phosphorus pentachloride decomposes at high temperatures. PC15 (g) ⇒ PC13 (g) + Cl₂ (g) An…

A: The equilibrium concentration can be calculated by applying ICE table on given reaction.

Q: Choose an acceptable structure for RbCl(s). Assume that "radius ratio rules" are obeyed and that the…

A: Given :  Ionic radii of Rb+ = 148 pm  Ionic radii of Cl-  = 181 pm

Q: What is the IUPAC name for the molecule show below? 2-methylpent-1-yne 3-methylpent-1-yne…

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Q: In RbF(s), the Rb* ions occupy octahedral sites in a face-centred cubic lattice of Fions. Use the…

A: Answer: To find out the edge length we have to find the relation between edge length, radius of…

Q: protein catalyzes the following reaction and had a Michaelis-Menten constant of  Km=25 mM and a…

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.