The energy produced by stars is from.. fusion of hydrogen fusion of helium fission of uranium none of these are correct fission of hydrogen

Q: a balanced chemical equation for

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Q: What is the Molarity of H2SO4 if a (4.2100x10^1) mL sample requires (2.760x10^1) mL of (1.32x10^-1)…

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Q: Check the box next to each molecule on the right that has the shape of the model molecule on the lef…

A: The correct answer is given below

Q: Describe the reaction steps for the mechaniswhere benzil is prepared by the oxidation of an…

A: Benzoin can be prepared by using Benzoin condensation reaction.In this reaction benzaldehyde is…

Q: 9. Aluminum reacts with 42 g of iron(II) sulfate. How many grams of iron are formed? Aluminum…

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Q: if I were to separate Bi3+ and Co2+, can I do that by adding H2S? So that Bi3+ would precipitate?…

A: Bi3+ is the second group basic radical whereas Co2+ belong to the fourth group.  For the sepration…

Q: Find out the structure of compound 3 in the following multistep synthesis. DIBAL-H PPh3 HẠN-NH OMe 1…

A: In this question we have to tell the product of the reaction of the sequence.

Q: Consider the following equilibria 2CH4(8) C₂H6(g) + H₂(g) Ke1 = 9.5 × 10¹3 CH₂(g) + H₂O(g) CH₂OH(g)…

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Q: What is the importance of the aspartate-argininosuccinate shunt of the citric acid cycle.

A: The metabolic pathway between the citric acid and urea cycles are known as the…

Q: When the following equation is balanced properly under basic conditions, what are the coefficients…

A: First we need to balance the given redox reaction by half reaction method.  We can balance redox…

Q: What is the electron pair geometry, lewis structure, molecular geometry, and hybridization of HF? Is…

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Q: 5. (a) The Mossbauer effect depends upon the recoilless emission of a y-ray. How important is it to…

A: This Question is based upon Mossbauer Spectroscopy.

Q: MISSED THIS? Read Section 15.6 (Pages 656 - 661); Watch KCV 15.6, IWE 15.9.Consider this overall…

A: Rate law depend on the concentration of reactant raised to order of the reactant.

Q: The order of decreasing rectivity towards electrophilic reagent for the following: (a) Benzene (b)…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: The heat of vaporization AH, of benzene (CH) is 44.3 kJ/mol. Calculate the change in entropy AS when…

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Q: An empty steel container is filled with 2.50 atm of H₂ and 2.50 atm of F₂. The system is allowed to…

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Q: The arrangement of ions, atoms or molecules in crystals are best determined by which instrumental…

A: The arrangement of ions, atoms or molecules in crystals are best determined by x-ray diffraction…

Q: view - Black X P12.5: Melting, Fre X PExercises X P Answers to Odd- X Email-Jessica Sa X C Solve 30.…

A: Given,  61.  The heat required to convert 2.55 g. of water at 28.0 °C to steam at 100.0 °C is:

Q: Which of the following are an advantage and disadvantage. of hydrogen energy use? Advantage:…

A: the advantage and disadvantage of hydrogen energy :

Q: Balance the following net ionic equation by the half-reaction method. The reaction takes place in…

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Q: An ice (H2O) crystal may be best described as which type of crystal? A)  ionic   b)  covalent  c)…

A: Molecular solids ; A crystalline solid that consists of molecules held together by intermolecular…

Q: If the concentration of Cu 0.5-80 ppm What are the ranges for kg of Cu present per metric ton?

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Q: half-life for the reaction

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Q: A monosaccharide that consists of 4 carbon atoms, one of which is part of a aldehyde functional…

A: We have to predict the correct name .

Q: Write the chemical formula of the following complex ions. formula 0 name hexaamminechromium(III)…

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Q: MISSED THIS? Read Section 16.8 (Pages 701-710); Watch KCV 16.8, IWE 16.9. For the reaction N₂O4 (g)…

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Q: 4. Show how to make each compound from an alkene (pay attention to regiochemistry) OH OH

A: 4. We have to give the structures of the Alkenes that give the desired alcohols.

Q: 12. A ring with a mass of 25.5 g appears to be pure silver. Rather than test for density, you can…

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Q: D Question 7 If a chemical reaction has an equilibrium constant, K, of 5.00 x 109, what can you say…

A: Using le chatelier's principle we can predict the direction of reaction in a equilibrium statem.…

Q: 0.225 M in HC2H3O2 (Ka=1.8×10−5) 4.50×10−2 M in acetic acid (Ka=1.8×10−5) and 4.50×10−2 M in…

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Q: Students in a chemistry lab need 500.0 mL of 1M hydrocholric acid for their experiment. They have…

A: We have to predict the volume of acid needed.

Q: d. An analogous compound, [Cu(H₂O)6]2+ has a different arrangement of the eg and t2g orbitals. Draw…

A: Let us study the effect.

Q: Select the correct answers: COOH H₂C H₂N 47 OH OH H₂N H3C A C Assign priority to each of the…

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Q: In the table below, there are descriptions of an experiment on samples of three different chemical…

A: Properties of metal  •  Lustrous  • High melting point and boiling point.  • Malleable - They can be…

Q: 18) Obtain all possible products starting from benzene. HNO3 Zn H₂SO4 HCl(aq) Et-Li (excess) H3O+ 2…

A: Nitration of benzene occurs in presence of HNO3 and H2SO4.  Reduction of nitro group occurs in…

Q: Calculate the final pressure, in millimeters of mercury, for each of the following, if V and n do…

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Q: The equilibrium constant, Kc, for the following reaction is 5.10x10-6 at 548 K. NH4CI(S) NH3(g) +…

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Q: Show the product from the following reaction, and draw the reaction mechanism. CO₂H Br₂ NaHCO3, H₂O

A: The mechanism and the final product are given below,here NaHCO3 act as a base

Q: Determine the limiting reactant in the reaction depicted in the following submicroscopic…

A: Limiting reactant :-  The reactant which is present in lesser number of moles than required as per…

Q: 5. Use the following experimental values: a. Determine the following: i. Rate Law ii. Overall…

A: To determine rate law , we first consider a general rate law with order a and b with respect to…

Q: A buffer solution contains 0.493 M C6H5NH3Br and 0.337 M C6H5NH2 (aniline). Determine the pH change…

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Q: Q4 :- What is the hydroxide ion concentration in a solution that has a pH = 4.5?

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Q: Calculate the cell potential for the reaction: 2Fe3+ + 2I− → 2Fe2+ + I2 from the reduction…

A: In a Galvanic cell , oxidation takes place at anode and reduction takes place at cathode  If…

Q: Which is incorrect?

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Q: A solution is made using 250.0 mL of ethanol (density 0.7892 g/mL) and 369.1 mL of water (density…

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Q: For the following reaction, under which temperature circumstances (in °C) will it be product…

A: When the change in gibbs free energy is negative, then the reaction is feasible which means product…

Q: Chernobyl expelled lots of Cs-137 radioisotopes in the environment in 1986.  The half-life of Cs-137…

A: We have to calculate the radioactivity after 60 years.

Q: NMR chromophores (b) Identify the indicated entiotopic/diastereotopic/homotopic magnetically…

A: Question Based upon NMR Spectroscopy.

Q: Draw three molecules of each compound below. a. propane, CH 3 CH 2 CH 3 b. heptane, CH 3 CH 2 CH 2…

A: All these compound the molecular strucutre are as follows

Q: How to separate salt and sand from water using evaporation?

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