number 9, mass number 18, charge of 1- O p: 9; n: 9; e: 12 Op: 9; n: 9; e: 8 Op: 9; n: 9; e: 9 Op: 9; n: 9; e: 10

Q: QUESTION 3 33.64 grams of ammonium chloride ( NH4Cl ) is dissolved in 100.0 grams of water . For…

A: Here we are required to find the boiling point of solution

Q: HCOOCH, COOH a) HCOOH + CH3 Cao (0) HCN + H₂O → CN¯ + H₂O*

A: Explanation : conjugation acid-base pairs first defined by Bronsted–Lowry. conjugation base :…

Q: What is the evidence that a chemical reaction took place?

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Q: 2. Circle the compound that matches the given spectrum. For "Excellent", rank from strongest to…

A: Presence of one chlorine atom gives M and M+2 peaks with 3:1 intensity ratio

Q: The light can be passing through components with ionic bonds O True O False (1 *

A: There are two type of bond formed during chemical bonding. Ionic compound is formed by transfer of…

Q: 1. (Based on a problem in Stumm and Morgan¹) (a) Determine the solubility (in mol/L) of Au() (i.e.,…

A: Solubility : solubility is defined as the maximum amount of a substance that will dissolve in a…

Q: few of noble gas (nonmetals) have ome cationic chemistry that is more haracteristic of a metal True…

A: The statement, "A few of noble gases(non metals) have some cationic chemistry that is more…

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Q: a. b. HBr, A Peroxide NBR, A Peroxide

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Q: Q15. What is the mass of 225 mL of a liquid that has a density of 0.880 g/mL? (a)) 198 g (b) 0.0039…

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Q: Chemistry mutation asp in 1mry?

A: In the question I suppose we need to describe what it means mutation asp in 1mry.

Q: In the periodic table: Elements in th same group have the same valence charges. O True O False

A: Given statement : Elements in same group have same valence charges.

Q: the thermo-chemical equations shown below to determine the entha N₂(g) + 3H₂(g)=>2NH3(g) AH = ?…

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Q: 7-Identify the following atoms or ions f a) atom: 1s 2s 2p 3s 3p 4-

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Q: The number of equivalents of Al+3 in AICI3 is------(the Atomic weight of Al is 27) O 12 07 9 O 8 O…

A: Answer - Option - (c) is correct                9   Given : Atomic weights of Aluminium = 27…

Q: Q10. A runner runs 4875 ft in 6.85 minutes. What is the runner's average speed in miles per hour?…

A: 10) Given, Distance a runner runs = 4875 ft  Time taken = 6.85 min Runners average speed = ? mi/hr…

Q: Some PCI5 is allowed to dissociate into PCI3 and Cl₂ at 523 K. At equilibrium, [PCI5] = 0.171 M, and…

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Q: Consider the first three written formulas, and then use Hess’ law to find the change in enthalpy ,…

A: Hess's law states that when reactants are converted to products,the change of enthalpy is same,…

Q: PROBLEM 2: Calculate the pH of a 0.0425 M KOH at 25°C. Complete the ICE Table below: Dissociation…

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Q: B) Give correct name for each of the following compounds: CH₂ H₂C OH 1) OH CH 3) 27 CH₂ 4) NH₂ Lor…

A: Using IUPAC namenclature rule.

Q: Explain how cooling a reaction that releases heat affects the equilibrium.

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Q: Which statement describes the reaction shown below under standard pressure conditions at 25°C? CO:…

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Q: What is the [Ag*] in a saturated solution of Ag₂SO4 in 0.20 M Na₂SO₂? Use the Data Tables to find…

A: Given, Na2SO4 concentration =0.20 M

Q: What are products formed from the below reaction? Draw the stereoisomers and name them. (Hint: There…

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Q: Draw the lewis structure for Na2Cl2??

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Q: Predict ALL the products of the following reaction. (You may tick more than one) 1) NaOH, 350 °C…

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Q: 5. Describe each of the following as a measured number or an exact number: 12 roses 5 books 12…

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Q: Oxidation process can happen between metal and organic solvent. O True O False *

A: Here we have to predict the true and falseness of the following given statement.

Q: What would happen in the grease fire scenario if a large lid was placed over the container…

A: Grease fire is common fire incident in kitchen. If not handled properly, it may cause a massive loss…

Q: Calculate the pH at 25°C of a 0.0099 M solution of a weak base with a Kp of 8.4 x 10⁹. pH

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Q: suppose a ballon is filled that its volume is 2.00 L when the pressure is 1.10 atm and the…

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Q: QUESTION 20 In the following reaction, what is the correct coefficient for aluminum chloride? Al +…

A: To find coefficient of aluminium chloride we have to balance the equation

Q: Design a buffer that has a pH of 3.76 using one of the weak acid/conjugate base systems shown below.…

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

Q: 0.080 m K₂ CO3 Choose versus lowest vapor 0.096m kel pressure & explain

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Q: 1. Write the hybridization of each carbon atom:

A: Organic compounds are the compounds that contain carbon and hydrogen atoms.

Q: Balance the following reaction in a basic solution: CrO+HSnO,CrO, +HSnO,

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Q: a le tion of mbrane Part A What is the height difference between the two water surfaces at a…

A: As per the guidelines, I am allowed to answer one question at a time. Please re upload the rest.

Q: Farnesyl pyrophosphate (FPP) is an intermediate in the mevalonate pathway used in the biosynthesis…

A: Farnesyl pyrophosphate (FPP) is an intermediate in the biosynthesis of terpenes and steroids in the…

Q: Choose the stronger (less stable, more basic, more reactive) base in the following pair of…

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Q: please help?!, thank you! The conversion of one air pollutant, nitrogen monoxide, produced in…

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Q: QPrepare each of the following compounds by using any inorganic reagents necessary: ( 1)…

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Q: A student uses a pH meter in the lab to test a solution and determines that the resulting pH is…

A: pH of a solution is defined as negative logarithm of hydronium ion concentration.    pH = -log[H3O+]…

Q: //Ethane (CnH2n+2) is burned with atmospheric air. The analysis of the products on a dry basis is as…

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Q: 1. A compound has an empirical formula of CH2 O and a molecular mass of 60 amu. What is the…

A: Two questions one regarding molecular formula and second regarding volume of a gas at STP are to be…

Q: Draw the lewis structure for Na2Cl₂??

A: To draw : The levis dot structure of Na2Cl2. We know : The atomic no. of sodium = 11 The atomic no.…

Q: I. Consider the voltaic cell. Fe(s) Cr(s) Salt bridge containing KNO3(aq) IM Fe³+ 1M Cr³+ a.…

A: Given diagram is :

Q: 2NO+0₂ 2NO₂ AH = This system is at equilibrium. Increasing the tempe a decrease in the volume of the…

A: The given reaction is exothermic reaction.

Q: 1. A pleasant smelling liquid having a boiling point of 101°C. What is the structure of this…

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Q: 3. Solutions of aqueous CaCl, and aqueous CuSO, are mixed in a beaker. a) Write the balanced…

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Q: Isotopes means; same element can have different masses. O False O True

A: Please find your solution below : An atom is the smallest unit and basic building block of matter…

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.