Exercises Build, draw, and assess the polarity of the following molecules 1. N₂ (Nitrogen gas, major component of air) 2. CH4 (Methane, also known as natural gas) 3. H₂O (water) 4. CH3OH (Methanol or wood alcohol, wide variety of uses)

Q: Find the percent yield of magnesium oxide in your experiment.

A: Since there are two different trials, we have to use find the percent yield for each trial…

Q: #2. NaF (25 g) is mixed with H₂O (200 g). Determine the mole fraction of NaF in the solution.

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Q: Take the reaction: NH3 + O2 → NO + H₂O. In an experiment, 3.25 g of NH3 are allowed to react with…

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Q: The equilibrium constant in terms of pressures for the reaction 2 WO₂ (s) + 2CO(g) W(s) + 2C0₂(9) at…

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Q: Isopropyl alcohol is Select one: a. CH3CH2OH b. CH3CH(OH)CH3 c. CH3CH2CH2OH d. CH3OH

A: Isopropyl alcohol is the common name of the molecule having formula C3H8O.  It has wide application…

Q: A polymer that contains two or more different monomers is called O copolymer homopolymer…

A: Polymers are the substances which are made up with large number of molecules by naturally or by…

Q: 6. What is the normality of a 5-L solution containing 67.8 grams of sulfuric acid? (MW= 98.1 g)

A: Given, The mass of sulfuric acid (MW=98.1g/mol) = 67.8 g The volume of the solution = 5 L The…

Q: The decomposition of N₂O5 can be described by the equation 2N₂O, (soln) -> 4 NO₂ (soln) + O₂(g)…

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Q: Hydrogen (H₂) gas and oxygen (O₂) gas react to form water (H₂O) vapor. Suppose you have 1.0 mol of…

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Q: 4. List the types of materials used to make sample containers, windows, etc. in optical and give…

A: Polystyrene Fused silica Saphire Glass

Q: How does the electron configuration for an anion differ from that of its neutral atom? How is it…

A: An anion is formed when a neutral atom gains one or more electrons in the valence shell of orbital…

Q: Where did the R come from

A: R = gas constant  i.e. it is a constant quantity

Q: Can you please solve #9,10,11  show all of your steps and explain how you do it, the second picture…

A: Your calculation for #10 (theoretical percent of silver in silver chloride) is correct.  Your…

Q: a) b) c) HS e) IZ H2 d) HO НО pel each chiral center in the amino acids as R or S. will NH₂ NH₂ ОН…

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Q: The following can increase the strength of a polymer except higher crystallinity O lower…

A: The strength of polymer is directly linked with the molecular weight of the polymer. With increase…

Q: Determination of the Empirical Formula of Magnesium Oxide Data Sheet ata Table 1: Empirical Formula…

A: #1 is correct.  #2 , the mass of product can be calculated using the formula :  Mass of product = (…

Q: Balance the following equation with the smallest whole number coefficients. Choose the answer that…

A: Given: yields H3PO4 + (NH4)2MoO4 + HNO3      →      (NH4)3PO4. 12MoO3 + NH4NO3 + H2O   We have to…

Q: An aqueous solution of isopropyl alcohol, C3H8O, rubbing alcohol, has a mole fraction of alcohol…

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Q: Can you do it and explain it in detail? Show the mechanism

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Q: 2A → B  is second order in A with a rate constant of 31.7 M−1 · s−1 at 25°C.   (a) Starting with…

A: Second order rate law is  1[A] = K × t + 1[A]0where [A]0 = initial concentration.[A] = concentration…

Q: The reaction below has an equilibrium constant of K₂ = 2.26 x 10¹ at 298 K CO(g) + 2H₂(g) = CH3OH(g)…

A: Dear student since you have asked a question which has multiple subparts but according to guidelines…

Q: Match each chemical description to the type of bond with which it is associated. soft, odor-free…

A: Note-Since it is a multiple question, hence I solved first question according to rules of bartleby.…

Q: Assume that you have a variety of cyclohexanes substituted in the positions indicated. Identify the…

A: •Cis substituted cyclohexane : in case of cis form, both the substituents are either up or both the…

Q: Can you explain which reactions they are undergoing sn1 or sn2 and state the mechanism and explain…

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Q: starting with (s)-2-bromobutane, outline synthesis of each of this compound by showing the…

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Q: U 1991 Diamond, Zin 1. tures. What is diamond and just al rebro

A: In the given question,we are asked about the difference between zinc blended and diamond structure.…

Q: 4. What will happen to the amount of heat released by the reaction if we double the volumes of the…

A: Le Chatelet's Principle: Le Chatelet's Principle makes it possible to estimate how a change in…

Q: Ammonia, NH3, may react with oxygen to form nitrogen gas and water.…

A: Given -> 4NH3(g) + 3O2(g) ---> 2N2(g) + 6H2O(l)  Weight of NH3 = 3.45 gm  Weight of O2 = 5.18…

Q: Chlorobenzene forms when a halogen reacts with an Select one: a. alkane b. alkyne c. alkyl halide d.…

A: Given -> Reagents -> Chlorobenzene , halogen  -> Aromatic compound can give electrophilic…

Q: What is the molality of ions in a solution prepared by dissolving 37.2 g of a soluble salt, MX2,…

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Q: Write balanced chemical equations for each of the acid-base reactions described below. a) Aqueous…

A: The balanced equation is the complete equation where the number of atoms/ions are same in reactant…

Q: Isomers have Select one: a. the same physical, but different physical properties b. the same…

A: Isomers are define as compounds having same molecular formula but a different arrangement of atoms…

Q: Draw the structures of the free radicals in the compound, then arrange them in a decreasing order of…

A: A free radical can be defined as an atom or molecule containing one or more unpaired electrons in…

Q: A 10.0 L tank at 19.7 °C is filled with 9.71 g of boron trifluoride gas and 3.56 g of carbon dioxide…

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Q: Give the electron configurations for the following ions. Do not use the noble gas notation. Write…

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Q: An “unnatural” sugar found as a component of hemicellulose was found to contain 40.00% C and 6.71% H…

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Q: What is the pH of a 0.122M monoprotic acid whose Kais 5.7 × 10-4?

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Q: A hypothetical element with atomic radius of 100 pm forms a cubic unit cell that has an edge length…

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Q: DO THIS TYPEWRITTEN FOR UPVOTE

A: The concept used in this question is from Le Chatelier's Principle .  According to the question.…

Q: What is the mole fraction of compound A when 19.2 g (71.2 g/mol) is combined with 52.4 g of compound…

A: Since, Mole fraction of of the any compound is the ratio of moles of that compound to the total…

Q: Suppose that you used smaller volumetric apparatus to prepare 0.250 M NH3 solution by diluting 84.6…

A: According to the question we have, The volume of NH3 solution =  V1= 84.6(±0.8) μL= 0.0846 (±0.8) ml…

Q: Ammonia, NH3, may react with oxygen to form nitrogen gas and water. 4NH3(aq)+302(g)→2N2(g)+6H2O(1)…

A: Recall the given reaction,                      4 NH3 aq  +  3 O2 g  →  2 N2 g  +  6 H2O l3.45 g…

Q: You can convert molarity to molality if you know thedensity of the solvent. Thedenominator must…

A: Molarity : It is defined as the number of moles of solute per liter of solution. Molality : It is…

Q: 2. Balance this equation : Co (H2Oc)t2 t CI -2 Co Clue t H₂O

A: While writing the balance chemical equation we should keep stoichiometric coefficient balanced as…

Q: If "thio" appears on the name of a compound, you know that the compound contains a functional group…

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Q: 45. When 1.65 g of ethanal (CH3CHO(1)) is burned in a calorimeter to produce H₂O(l) and CO₂(g), 44.7…

A: Given data :  Mass of ethanal = 1.65 g  Heat released during the reaction = 44.7 KJ Firstly we will…

Q: Give good explanation Calculate the number of grams of Fe2O3 needed to react with 19.0g C…

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Q: Ten moles of ideal gas, in the initial state P₁ = 10 atm, T₁ = 300 K, are taken around the following…

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Q: What are the four phases of matter? How can input of energy convert one phase of matter into…

A: • Here, we have to calculate the four phases of matter.  • And also, we have to elaborate how can…

Q: Which of the following describes the compound SO2? Choose all answers that apply. The compound would…

A: In this question, we have to choose the options that describes the compound SO2.

Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.