Explain your understanding: Use your own words and captured images from the simulation to show you can: Define “isotope” using mass number, atomic number, number of protons, neutrons and electrons.

Q: Draw a resonance structure that places a pi bond in a different position. Include all lone pairs in…

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Q: Choose all the following that are incorrect formation reactions. A.N2(g)+202(g)-+2N02(g) B.…

A: In this question, we have to Choose all the following that are incorrect formation reactions.

Q: What quantity of heat (in kJ) will be released if 1.20 mol of SrO is mixed with 0.631 mol of CO₂ in…

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Q: What is the concentration of 1.00 cm (path length) sample that has an absorbance of 0.60?…

A: Here we are required  to find the concentration of 1.00 cm (path length) sample that has an…

Q: Cobalt reacts with water according the the equation below. When 13.17 grams of cobalt is added to an…

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Q: How would you calculate the Enthralpy of Formation (delta Hf) of NaCl(s) from these two reactions.…

A: Given, a) 2Na(s) + 2HCl(g) -> 2 NaCl(s) + H2(g)      ∆H = -637.4 kJ b) 2HCl(g) -> H2(g) +…

Q: Show intermediates and explain your answers. Fe- SO4 + 2 Meli

A: The intermediates and the final structure is given below,

Q: A 150 ml sample of water contains 1.2 mg of magnesium ion (Mg+2). What is the concentration of Mg+2…

A: a) Here given Mg+2=>1.2 mg    •Volume=>150 ml•So concentration will be= 1.2/150 mg/ml…

Q: How many moles of fructose are in a sample containing 1.43 x 1024 molecules of fructose? 8.61 × 1047…

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Q: A simple equation that can be used ONLY for dilutions is M1V1 = M2V2. So if a concentrated solution…

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Q: A mixture containing acetone (C3H6O) and chloroform (CHCI3) is prepared in which the mole fraction…

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Q: convert 540 nanogram to mg

A: Given, mass = 540 nanogram

Q: Consider the reaction   Fe (s) + 2 Ag+ (aq) ⇋ Fe2+(aq+) + 2 Ag(s) .  If Ag+ is added to the…

A: •Here we have to use LE CHATLIER'S principle:- •According to this principle if we increase the…

Q: 0 2 E (widd) g 5 4.

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Q: Starting from the expression for the Bohr radius of the hydrogen atom, derive an expression for nh…

A: Bohr's model of atom is based on classical mechanics. Heisenberg's model of atom considers…

Q: What is the product of the following elimination? nos **** to to to to to I || ||| IV V COI Oll OMe…

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Q: Draw a resonance structure that places a pi bond in a different position. Include all lone pairs in…

A: Definition of resonating structure : Resonance structures are a group of two or more Lewis…

Q: Label the molecule shown as chiral or achiral. ū Br munc

A: Organic compounds are compounds that contain carbon and hydrogen atoms.We have been given a molecule…

Q: When 13.1 g of Na and 11.7 g of Cl2 react, what is the mass, in grams, of NaCl that is produced?…

A: Given, 2Na(s) + Cl2(g)→2NaCl(s) mass of Na reacts = 13.1 g mass of Cl2 reacts = 11.7 g Note:  molar…

Q: 31. How many liters of a mouthwash can be prepared from 100 mL of cinnamon flavor if its…

A: % v/v concentration is defined as the milliliters mL of solute dissolved in 100 mL of solution…

Q: Given the frequency or wavelength, calculate the energy 8.98x10^12 Hz 5.54 cm

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Q: Which of these can be reduced with LiAlH4? HO 4 с B в 20 C

A: Lithium aluminium hydride is a strong reducing agent for polar double bond             it will…

Q: Draw the major monoalkylation product(s) you would expect to obtain from reaction of…

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Q: Automobile airbags inflate following a serious impact which triggers the chemical reaction 2 NaN3…

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Q: Draw the product for the reaction in the space provided. H3C- CH3 CH H -CH3 + H₂O -> Select Draw…

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Q: A 1.922-g sample of methanol (CH3OH; molar mass 32.04 g/mol) is burned in a constant-volume bomb…

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Q: Identify (encircle and label) the functional groups present in the compound below: НО. -0 3 -OH

A: The given molecules contains several olefinic bonds along with carboxylic acid derivatives. The…

Q: Draw the structure of 3-methyl-1-butyne.

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Q: If an ideal gas has a pressure of 9.75 atm, a temperature of 399 K, and a volume of 35.93 L, how…

A: Answer: This question is based on Ideal gas equation. Given data: P=9.75atmV=35.93LT=399K…

Q: Determine the volume of 1.00 mol of any gas, assuming it behaves like an ideal gas, at Standard…

A: Given - Moles of gas =1.00 mol

Q: Which electron(s) in the S atom experience the greatest shielding of the nucleus? 2p 2s 1s 3p 3s

A: In transition metal series the atomic number increases, hence number of electron and proton…

Q: How many milliliters of 8.13 M hydroiodic acid solution should be used to prepare 3.00 L of 0.800 M…

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Q: Termination of G protein-coupled receptor signaling involves: A) Activation of phosphodiesterases B)…

A: Signalling of G-protein coupled receptor (GPCR) is terminated by GTPase activity of of its G-alpha…

Q: balloon is inflated to a volume of 29.8 L at a pressure of 753 mmHg and a temperature of 25.3 ∘C.…

A: Ideal gas equation.   PV = nRT.                           Here P = pressure of gas…

Q: 4. Dimethyl nitrosamine, (CH3)2N20, is a carcinogenic substance that may be formed in foods,…

A: Dear student Since you have posted multiple parts questions we will solve only first three parts for…

Q: For the half reaction for the perchlorate/chlorate (CIO4/CIO3 ), E = 1.201 V. Calculate the…

A: Given that, the half-cell reaction, the standard reduction potential for the perchlorate/chlorate…

Q: A solution is made by dissolving 24 g of sodium chloride, NaCl, in enough water to make exactly 100…

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Q: How many grams of copper(II) sulfate pentahydrate (CuSO4 5 H₂O) are needed to prepare 100.00…

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Q: 3. Explain this equation: v₁ = A[P] _ -4[A] At At found on p. 167. 4. What is the Michaelis-Menten…

A: Given the equation v0 = ∆[P]/∆t = – ∆[A]/∆t . We have to explain the equation. And explain the…

Q: Calculate the frequency of radiation with a wavelength of 4.92 cm. Calculate the frequency of…

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Q: Which plot indicates that the reaction is first order? Он VIA In [A] Od (4) d) ЩА (sec) Ки о Ко

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Q: Calculate the hydronium ion concentration, [H3O+][H3⁢O+], for a solution with a pH of 5.61

A: • The values provided in the question are:-      i) pH of a solution = 5.61    • We need to…

Q: Use the following balanced equation to answer the question: CuSo4(aq) + Fe(s)→ FeSO4(aq)+ Cu(s)…

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Q: OH KMnO4 " тон IV

A: The organic reaction of benzene is given and we have to find out the product of the reaction using…

Q: When 6.30 g sample of solid potassium hydroxide (MM= 56.11g/mol) is dissolved in 101.00 g of water…

A: Given, mass of sample of sodium potassium hydroxide = 6.30 g mass of water = 101.00 g Initial…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 418.0 mg sample…

A: Given, mass of sample of C2H2Cl2 = 418.0 mg = 0.418 g Initial temperature (Ti) = -5.8°C = (-5.8 +…

Q: A chemical substance has a specific heat of 0.881 J/g °C. If 56.7 grams of this substance is heated…

A: The amout of heat absorbed in joules is = 2.49 x 103 J

Q: Which of the following atoms has the smallest first ionization energy? O AI O si OP Os

A: The ionization energy of an element increases across the period because the number of electrons in…

Q: Consider isobars with mass number A = 53, which is the one with least number of neutrons? Enter the…

A: In this question, we have to enter the atomic number of the element having least number of neutrons…

Q: Find the enthalpy of neutralization (in ΔΗ neutralization kJ mol kJ -). Round your answer to 3…

A: Heat Evolved when one gram equivalent of acid is completely neutralized by a base in a dilute…

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.