Draw mechanism arrows to show electron movements in the Bergman cycloaromatization reaction that leads to the diradical believed responsible for the DNA-cleaving action of the antitumor agent calicheamicin γ l1.

Q: CH2-CH3 CH3-CH-CH-CH2-CH2-CH3 Name these compounds: CH3 Are they isomers with each other? Yes CH3…

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Q: 1. A friend claims that a metric ton is more than twice the mass of an English ton because a…

A: 1. A friend claims that a metric ton is more than twice the mass of an English ton because a…

Q: Calculate the root mean square speed of Xe gas at 50.0 °C. 7.83 m/s 24.6 m/s 97.5 m/s 248 m/s 6.14 x…

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Q: What is the pOH of an aqueous solution of 0.143 M hydroiodic acid? pOH =

A: The given hydroiodic acid is a strong acid which will be fully dissociated in the solution. [HI] =…

Q: If the amount of radioactive phosphous-32 in a sample decreases from 1.2 g to 0.30 g in 28.6 days,…

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Q: Calculate the amount of heat required to raise the temperature of a 72g sample of water from 34 ∘C…

A: Heat capacity is defined as energy needed to raise the temperature of unit mass of substance to unit…

Q: The gas in a cylinder (defined as the system) warms and absorbs 633 J of heat. The expansion…

A: Given: Heat , Q = +633 J where positive sign indicates that heat is absorbed by the system. Work…

Q: You mix 2 moles of HBr with 3 moles of KOH in enough water to make 1 L of solution. How much…

A: Given, moles of HBr = 2 moles moles of KOH = 3 moles  How much reactant is left over = ?

Q: A compound was analyzed and was found to contain the following percentages of the elements by mass:…

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Q: A student dissolves 16. g of urea not change when the urea dissolves in it. Calculate the molarity…

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Q: 3. How many milliliters of 5M NaCl are required to prepare 1500mL of 0.002 M NaCl? 4. what will be…

A: Answer: In dilution process solvent is gradually added into the concentrated solution that increases…

Q: Provide organic products formed

A: We have been given two organic reactions and we have been asked the organic products of given…

Q: C₂H₂-C=C-CH, C₂H₂-C=CH CH₂ H₂C 1) Naily 2) CH,Br 3) Hy/ Lindlar catalyst H C₂-CC-CH₂ C₂H-CC-NHCH, IV

A: Organic reactions are those in which organic reactant react to form organic products. In the given…

Q: WHat is the heat of vaporization for toluene

A: vaporization is the process where liquid substance is converted to corresponding vapor.

Q: Loading dose in IV infusion is calculated by the equation: O a. Vd x Css O b. KO/K O C. KO/Clearance…

A: •Given:-

Q: Given the reactions, X(s) + O₂(g) → XO(s) AH-536.9 kJ XCO 3 (s) → XO(s) + CO₂(g) AH +140.3 kJ what…

A: Given, a) X(s) + 1/2O2(g) -----> XO(s)   ∆H = -536.9 kJ b) XCO3(s) -----> XO(s) + CO2(g)  ∆H =…

Q: The initial volume of a gas sample is 6.8 L at a pressure of 780 millibar. What pressure (in bar)…

A: Given: Initial volume, V1 = 6.8 L Initial pressure, P1= 780 millibar *(1 bar / 1000 millibar) = 0.78…

Q: An iron wire has the cross-sectional area of 4.5X10-6 m2 . Complete the following steps to compute…

A: According to the question, The cross-sectional area of the iron wire is given by =  4.5X10-6 m2 The…

Q: 4. Draw Lewis structures for the following molecules. Describe how the bond angles would be altered…

A: Lewis structures are diagrams that represents the valence electrons of atoms within a molecule. CH2S…

Q: b. There is one additional resonance structure. NH₂ c. There is a total of five resonance structures…

A: Resonance Structure -When a molecule indicate more then one hybrid structure which are differ by the…

Q: Draw and name the product in each of the following reactions: a. Cyclopentene + H₂O (H*) b.…

A: Reactions involve the addition type reactions. Reactant molecule contains C=C bond which react with…

Q: A 3.33 L sample of krypton gas contains 0.504 mol of krypton. How many additional moles of krypton…

A: We can use the Ideal gas law to find the number of moles of krypton that must be added to the sample…

Q: Given stock solutions of glucose (1M), aparagin (100mM) and NaH2PO4 (50mM), how much of each…

A: We have to prepare a 500 ml solution which contains 0.05 M glucose, 10mM asparagine and 2mM NaH2PO4.…

Q: The energy levels for different n in the Bohr model for hydrogen have the following values Level…

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Q: Using the below enthalpy of formation values, determine the enthalpy for dissolution (dissolving) of…

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Q: Aqueous sulfuric acid H2SO4 will react with solid sodium hydroxide NaOH to produce aqueous sodium…

A: Limiting reactant - Reactant species which react completely or present in less amount  Suppose a…

Q: A compound′′s standard heat of formation is the amount of heat associated with the formation of…

A: As we know,  The standard enthalpy of formation is defined as the change in heat when 1 mole of a…

Q: At a certain temperature, the equilibrium constant, Ke, for this reaction is 53.3. H₂(g) + L₂(g) = 2…

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Q: New August 3, 2021. Sampling is a second step analytical methodology, it means Select one: O a.…

A: In analytical chemistry, sampling is the process of selecting a representative portion of a…

Q: Draw the organic drawing of acetone

A: Acetone is a ketone containing three carbon atoms and a carbonyl functional group at C-2.

Q: Chrome File Edit View History Bookmarks Profiles Tab Window Help ← → C↑ University of Roches x M…

A: The Diels- Alder reaction is a reaction in which a Cycloaddition Conjugated diene, called diene…

Q: ↓ 1. How many types of proton environment? 2. Show the (n+1) effect on splitting pattern 3. Do you…

A: 1H NMR spectroscopy is used to determine the arrangement of Hydrogen atoms in the molecule.

Q: What is the pressure (in atm) of 0.06433 moles of an ideal gas at 300.1 K with a volume of 1.4414 L?…

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Q: 3. Explain why MgCl₂ might be more useful as a de-icer compared to NaCl if both solutes are present…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: Below is a combustion reaction that is not completed nor balanced. Water and carbon dioxide are…

A: Given C4H10 (g)  +  O2 (g)  → Amount of oxygen gas consumed  = 0.887 g

Q: If you mix 1.15 g Na₂C₂O (FM 134.00) with 0.60 g KMnO4 (FM 158.03) and excess aqueous acid, which…

A: Given:- Na2C2O4  => Weight=1.15 gm ,         Formula mass(FM) = 134 gm KMnO4 => Weight= 0.60…

Q: gas which is very important when considering the environmental impacts of pollution is sulfur…

A: Given: V1 = initial volume = 4.24 L P1 = initial pressure =  4.5 atm P2 = final pressure = 4 atm V2…

Q: Find the activity coefficient of H+ in a solution of 0.05 M HCl.

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Q: Which one of the following is correct?   Which of the following is correct and why A) CH3COOH is…

A: Acid is substance which release hydrogen ions and base is substance which release hydroxyl ions when…

Q: 29) The major product formed in the following reaction is: Ph—— Ph (a) HO₂S Ph (b) HO₂S Ph H₂O,…

A: We have been given an organic reaction and we have been asked to write the major product of the…

Q: a. Calculate the number of moles in 21.7 mg of nitrogen dioxide. mol b. Calculate the number of…

A: Answer: For any given sample of a certain mass of a compound, its number of moles will always be…

Q: 1. Calculate the density of a pure gold sphere with a diameter of 2.120 cm and a mass of 94.19 g.

A: As per bartleby guidelines I answered only first question so please don't mind thanks in advance for…

Q: Write the structural formula of the 3 alcohols that will form in the following reaction.

A: The organic compound given is CH3OCH2CH2CH3.

Q: 11.3 Which nucleophile in each pair is more reactive? (CH3) 3P or (CH3) 3N (a) (b)

A: Nucleophile reactivity depends on the availability of electron to donate.

Q: 14. Bromine is often used as a laboratory spot test for unsaturation in an aliphatic hydrocarbon.…

A: The molecular formula of the given compound is C6H6  Vial A decolorize Bromine and Vial B did not…

Q: 72) The correct sequence of reactions to accomplish the following transformation is: C₂H5 (a) (i)…

A: can be done by Fridel craft alkylation followed by clemenson reduction

Q: Consider the following chemical reaction. 2 CH₂(g) + 30₂(g) 2 CO(g) + 4H₂O(1) Select all the…

A: Combustion reactions are exothermic reaction that is during this reactions heat released.

Q: Indicate the direction of polarity of each of the covalent bonds by placing the appropriate delta…

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Q: a. Calculate the percent by mass of each element in HC103. % H = % C1 = % 0 = b. Calculate the…

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Q: a. Write the formula and calculate the molar mass for iron(II) chloride. Formula: Molar mass = g b.…

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