The number of neutrons in an atom is equal to     the atomic number.     the mass number - the atomic number.     the number of protons.     the mass number.     the mass number + the atomic number.

Q: Question 12' FADH₂ is a good oxidizing agent. True False Question 13( FAD is a good oxidizing agent.…

A: 12). True 13). False 10). ATP 11). NAD* serves as an oxidizing agent, and in the process is reduced…

Q: Why is it important to take both the polarity of the bonds and the VSEPR shape of the molecule into…

A: VSEPR theory is known as valence shell electron pair repulsion theory,which explains the molecules…

Q: The Demon of Bell Witch C x B Monthly book subscription X Calendar ← → C…

A: Given a buffer solution   HF (aq) + H2O (l) <=> H3O+ (aq) + F- (aq)       F- = conjugate base…

Q: Decide whether each molecule or polyatomic ion is polar or nonpolar. f the molecule or polyatomic…

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Q: Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product…

A: In the given question we have to do the arrow pushing mechanism of chlorination of alkene,

Q: The gas pressure in a can is 2.5 atm at 25 °C. Assuming that the gas obeys the ideal-gas equation,…

A:

Q: If an AM radio station broadcasts at 90.3 kHz, what is the wavelength of this radiation?

A: Given :  Frequency of radiation= 90.3 kHz  Also,  Speed of light (c) = 3 x 108 m/s

Q: What are the major products of the reaction below? O C A B U (A) + En CI (B) + En 80 OH A. 왜... + En…

A: m-CPBA is an oxidising agent.It is used for epoxidation of alkene. The reaction occurs through…

Q: If 0.2 M HCl is added to an equal volume of 0.4 M NaOH, what are the new concentrations of OH and…

A: Given concentration of HCl = 0.2 M       Concentration of NaOH = 0.4 M Equal volume of NaOH and HCl…

Q: Is there a minimum standard reduction potential that the half-reaction used at the anode of this…

A: Eocathode = -1.17 V Eocell = 1.00 V

Q: b. Circle the compound with the smaller (weaker) lattice energy and give two reasons why: Reason #1:…

A: The given two compounds are Al2O3 and FeO. Identify the compound with weaker Lattice energy with…

Q: Study the chemical equations in the table. Equation Number Balanced Equation 1…

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Q: Calculate the number of grams of N₂ needed to react with 10 g of H₂, using the following balanced…

A: In balanced chemical equation number of atoms of each species are equal on both reactant and…

Q: A large balloon has an original volume of 1.0 m3 when it is released from the ground.  When the…

A:

Q: When 2-methylpentan-2-ol is reacted with excess oxidizing agent, the major compound found in the…

A: -> primary alcohol can be oxidized to carboxylic acid. -> secondary alcohol can be oxidized to…

Q: CH3 OH CH3 H₂SO4, H₂O heat CH3 CH3

A: Carbocation intermediate formed in E1 machanism.   Tertiary carbocation is more stable than…

Q: Question 10: Draw the organic products in each of the following reac a. OH PCC

A:

Q: A piece of metal at 73.3°C is placed in a calorimeter containing 37.7 grams of water at 24.3°C. If…

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Q: What is the IUPAC name of this molecule? OH A/ 신

A:

Q: certain temperature, the equilibrium constant for the chemical reaction she centration of AB is…

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Q: 900. K the following reaction has K,-0.345: 2 SO₂(g) + O₂(g) 2 SO3(g) an equilibrium mixture the…

A: Kp is equilibrium constant

Q: Excess bromine gas is added to ethyne. The product of this reaction is: 1,1,2,2-tetrabromoethane O…

A: When alkyne is treated with excess of bromine then it becomes saturated and it colourless.

Q: Consider the following reaction: 2 CH3OH(g)  →  2 CH4(g)  +  O2(g)      ΔH = +252.8 kJ Is this…

A: Given -> 2CH3OH(g) ---> 2CH4(g) + O2(g) ∆H= +252.8 KJ ------(1) Weight of CH3OH = 24.0 gm

Q: Modify the given molecule to show the product of the oxidation reaction using FAD as the oxidizing…

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Q: T 2880cm-1 2970cm-1 1720cm-1 cm-1

A: Yes both 2880 cm-1 and 2970 cm-1 are sp3 C-H stretches because the C-H-stretching modes can be found…

Q: A medical technician is working with the four samples of radionuclides listed in the table below.…

A: Given that, Half-life of sample A (Pd46103) is 17 days. Half-life of sample B (Cu2964) is 13 hours.…

Q: Calculate the possible ESR transitions between these states for S=1/2 and I=2

A: The concept used here is from ESR or EPR spectroscopy.  Necessary condition for ESR or EPR is…

Q: A taco from a fast food restaurant contains 7.0 g of fat, 25. g of carbohydrate, and 11 g of…

A: In the given question we have to calculate the energy in cheeseburger in kJ.  here,  energy will be…

Q: Concentration (grams/kg H₂O) Graph 2: Solubility Curve for Sodium Nitrate (NaNO3) 2000 1800 1600…

A: This question is based on solubility of sodium nitrate at different temperature.

Q: A metal cube dissolves in acid such that an edge of the cube decreases by 0.60 ​mm/min. How fast is…

A: Edge of cube = 7.70 mm an edge of the cube decreases by 0.60 ​mm/min

Q: How many moles of carbon dioxide are produced when 14.1 g of HF are reacted with an excess amount of…

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Q: Choose the reagent(s) that would be most likely to complete this reaction. OsO4 (catalytic) NMO OH

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Q: Determine the pH of the resulting solution when 45.00mL of 0.1500M HClO2 is mixed with 35.75mL of…

A: We will first convert the acid and base into moles to get an idea of which is present in more…

Q: What is the balanced spontaneous reaction and standard cell potential of an electrochemical cell…

A: Given -> Pt2+(aq) + 2e- ------> Pt(s) E° = 1.180 V -----(1) Pb2+(aq) + 2e- -----> Pb(s) E°=…

Q: Let A and B be two ideal gases at the same temperature. If mÃ>m³ (where mÃ, m³ are the masses of…

A: Kinetic energy of an object is directly proportional to the mass of object and the square of its…

Q: A B с D E ||| BH3-THF H2O2, NaOH tBuOK CHCI 3 CH₂I2 Zn/Cu mCPBA 1. Hg(OAc)2, H₂O 2. NaBH4, NaOH r

A: Let's complete each reaction one by one.

Q: n/takeAssignment/takeCovalent Activity.do?locator-assignment-take [Review Topics] [References] Use…

A: The reaction will be -->  ZnI2 (s) + H2O (l) --> Zn2+ (aq) + 2I- (aq)

Q: activity.do?locator=assignment-take [Review Topics] [References] Use the References to access…

A: Osmolarity= molarity× n Where n = number of particles of solute dissociate

Q: Which product is formed in the reaction shown? A) I 1) BH3 2) H₂O2, OH C) Both B) II D) Neither HO.…

A:

Q: I kefore unsaturated alpha beta) I

A: Here in the following given compound  we have  to indicate alpha and beta carbon atoms and to give…

Q: What do CO, ethylene (C2H4), H2, and NO+ ligands all have in common? Group of answer choices they…

A: Ligand: An ion or molecule, which donates a pair of electrons to the central metal atom or ion to…

Q: Why does the nitrosyl (NO+) ligand have a higher NO stretching frequency in the linear M-N-O…

A: The M-N-O unit in nitrosyl complexes is usually linear but  in some complexes, especially when…

Q: Draw and I palos a model of 4 molecules of H2O and label the strongest interactions that are present…

A: The strongest interaction that are present between separate H2O molecules= intermolecular H- bond

Q: Nitrous acid has a Ka of 4.5x10-4. ▼ Part A What is the pH of a buffer solution containing 0.12 M…

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Q: Predict the multiplicity and integral of the signal corresponding to the proton(s) indicated below.…

A: Nuclear magnetic resonance spectroscopy is branch of chemistry in which we deal with shielding and…

Q: What is the IUPAC name of this molecule? CH3-O-CH₂CH3

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Q: fod + H₂O-> a. Draw the structure of the tetrahedral intermediate INITIALLY FORMED in the reaction…

A: Acid anhydride reacts with water to give corresponding carboxylic acids. O-atom of a molecule of…

Q: The answer is incorrect  can you solve again?

A:

Q: Which one or more of the following statements about gases is valid? Select one or more: Ideal gases…

A: Options first  and fourth are valid about gases. As all gases that are behaving ideally have the…

Q: Many drugs decompose in blood by a first-order process. Two tablets of aspirin supply 0.60g of the…

A: According to the question, The half-life of the reaction is given by = t12 = 90 min  The initial…

Group 14 Elements

The following elements come under group 14 of the periodic table.