Fill in the missing numbers A germanium-74 nucleus contains 32 42 neutrons. protons and A Pu nucleus with 146 neutrons has a mass number of 94 x and an atomic number of 146 x A Tc-99 nucleus has a mass number of 43 atomic number of 56 X x and an

Q: how would our experimental results change if a less polar mobile phase was used such as butanol…

A: Thin layer chromatography (TLC) is a method of separating components of the mixture. It is based on…

Q: Which of the molecules are linear? NO₂ BeCl₂ SF₂ XeF2

A: Answer:FormulaMolecular geometryAX2LinearAX2EBentAX3Trigonal…

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Q: A sample of aluminum contains 2.91 x 1022 atoms of aluminum. What is the mass of this sample?…

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Q: Which of the following chemical equations is the formation reaction of NH4Cl(s)? Click here for the…

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Q: هد الآن من منه

A: In the above given reaction an aldehyde is converted into alkene by the reaction with triphenyl…

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A: The term "" stands for "." A substance's concentration or amount in a solution or mixture is shown…

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Q: What is the major product in the reaction below? What type of reaction would take place? Br Y... K A…

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Q: Barring any incidental overlap, what are the total number of signals expected in the ¹H and 1³C NMR…

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A: The energy content when eaten = 314 kJ1 kcal = 1000 cal 1 kcal = 4.184 kJ

Q: (b) Circle the molecules with zero dipole moment. Me. Me 8} CI F

A: Dipole moment vector develops in the molecule due to the electronegativity difference between the…

Q: Write the rate law for the following elementary reaction: ICI(g) + H₂(g) →→ HI(g) + HCl(g) Use k₁ to…

A: The relation between the concentration of the reactants and the rate of reaction is expressed by the…

Q: Part A Choose the term that best describes the relationship between the two structures.…

A: Given is pair of organic compounds.Give compounds is fused ring

Q: Between the two compounds, OH or CH3CH₂, draw the Lewis structure of the stronger base.

A: Answer:Any specie that loses H+ ion in its solution is called as Bronsted-Lowry acid and the specie…

Q: How are the three structures on the right related to the structure on the far left? CHO -OH CH₂OH OH…

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Q: 5.00 mL of 0.0200 M Fe(NO3)3 was mixed with 5.00 mL of 0.00200 M KSCN to form the FeSCN²+ complex.…

A: Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: What is the maximum kinetic energy of an ejected electron if vanadium metal is irradiated with 256…

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Q: D. How many moles of C3Hs are consumed when 1.81 x 1023 molecules of CO₂ are produced in the…

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Q: The number 0.0007270 is larger than the number 5.7 × 10-³.     a. true b. false

A: Given numbers are0.0007270 and 5.7 × 10-3

Q: Suppose the reaction between nitric oxide and oxygen proceeds by the following mechanism: step…

A: An intermediate is a substance that is formed in the first step and reacts in the next step. In the…

Q: 2.80 g of copper sulfate reacted with excess zinc metal and 0.80 g copper metal was obtained…

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A: 1) Select longest chain of carbon.2) Start numbering carbon from the end which is closer to…

Q: an equilibrium constant Suppose a 500 ml. flask is filled with 0.70 mol of Br., 0.50 mol of OC1, and…

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Q: Calculate the energy of combustion per gram of Olive Oil (kJ/g) if 31.0 mL of water is placed in the…

A: Given,volume of water = 31.0 mlinitial temperature = 22.9°Cfinal temperature = 44.6°CInitial mass of…

Q: Check the box under each structure in the table that is an enantiomer of the molecule shown below.…

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Q: 4. If gold is chosen as the new reference point and assigned a value of 0.00 V for the half…

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Q: What happens to the rate of the following SN 2 reaction when the 1-iodobutane is tripled and the…

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Q: a. d. Ho 1. Assign absolute configuration to each of the chiral centers in the following molecules:…

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Q: Which of the following compound is consistent with the following 13CNMR spectrum? To preview the…

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Q: According to the ideal gas law, a 10.17 mol sample of xenon gas in a 0.8242 L container at 499.1 K…

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Q: Draw the organic product(s) of the following reactions, and include carbon dioxide if it is…

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Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. 1. KMnO4, H₂O, heat 2. H*…

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Q: Check the box under each structure in the table that is an enantiomer of the molecule shown below.…

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Q: What is the relationship between these two structures? H H3C CH3 same compound GA enantiomers…

A: In given question,we need to derive relation between both Allene compounds.

Q: For the chemical reaction 2NaOH + H₂SO4 Na₂SO4 + 2H₂O what mass of sodium sulfate is produced from…

A: Given, moles of NaOH react = 3.29 mol The given balanced chemical equation given is 2 NaOH + H2SO4…

Q: Gaseous methane (CH₂) will react with gaseous oxygen (O₂) to produce gaseous carbon dioxide (CO₂)…

A: Given:mass of methane (CH4 ) = 1.1 gmass of Oxygen (O2 ) = 7.93 gmolar mass of CH4 = 16.04…

Q: How do you find the charge of a metal ion, from it's valence electrons?

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Q: A 24.0 g sample of an unknown metal at 99.0 °C was placed in a constant-pressure calorimeter…

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Q: Draw the structure for the most stable chair conformation of trans-1-isopropyl-3-methylcyclohexane.

A: Draw the most stable chair conformation of trans-1-isopropyl-3-methylcyclohexane.

Q: Balance the following equations. 1. Ba + O2 BaO = 2. N2 + O2 2 N2O5 = 2n2 + 502 3. MgSO4 + KCI K2SO4…

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Q: Select the true statement below, regarding the reaction provided. Options: The Br2 reagent…

A: When alkene is treated with bromine a dibromo product is obtained.The substitution of bromine occurs…

Q: How many moles of N are there in 0.251 g of №₂O? Type your numeric answer and submit

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Q: heck the box under each structure in the table that is an enantiomer of the molecule shown below. If…

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Q: The average adult human burns 2.00 × 10³ kcal per day in energy. What is this rate in kJ per hour ?…

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Q: Write the systematic name of each organic molecule: structure OH HO–CH2–CH—CH—C–CH3 O || 5 CH3 O=C…

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Q: Check all of the boxes that apply to the manner of addition leading to the major product of the…

A: Given reaction is  oxymercuration demercuration reaction.In this reaction alkene is treated with…

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.