The bombarded fragments forms a radical is represented by a mass charge ion ratio known as L)? molecular fragment free radical Molecular anion Molecular cation

Q: Predict the product and balance redox reaction Solid cuprous sulfide is oxidized by hot conentrate...

A: In this question, we have to Predict the product and balance the redox reaction.

Q: 9.49 AHn = 31.3 kJ/mol for acetone. If 1.40 kg of water were vaporized to steam in a boiler, how muc...

A:

Q: A student weighs out a 5.01 g sample of FeCl2, transfers it to a 250. mL volumetric flask, adds enou...

A: Given :-  Mass of FeCl2 = 5.01 g  Volume of solution = 250. mL  To calculate :-  Molarity of solutio...

Q: Predict the products for each of the following reactions and provide an explanation for the stereoch...

A: Diels-Alder reaction: The Diels–Alder reaction is a pericyclic reaction (cycloaddition) between a co...

Q: Lead (II) sulfide (PbS, an insoluble salt, Ksp = 3.4 x 10-28). Lead ions will form the following com...

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Q: Question 6 of 20 What is the molality of ions in a 0.323 m solution of Na2SO4 assuming the compound ...

A: Molality of Na2SO4 solution = 0.323 m  * Assume complete dissociation of compound take place. Molali...

Q: For an aqueous solution formed by mixing 4.50mL of 0.15M LİOH with 25.0mL of 0.100M C2H5CO2H (propan...

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Q: How much mL of Acetone is needed to make 100mL of an aqueous 30% (v/v) Acetone solution? How much mL...

A: Given,  Volume of the solution = 100 mL  Volume percent of acetone = 30% How much mL of Acetone is n...

Q: For a 0.00554 mol sample of H2 and a 0.00912 mol sample of N2, total pressure is 23.44 torr. What is...

A: Given, moles of H2 = 0.00554 moles Moles of N2 = 0.00912 moles Total pressure, pT = 23.44 torr

Q: A 44.20 mL sample of phenol (Ka=1.60x10-10) analyte with a concentration of 0.113 mol L-1 is titrate...

A: We have to calculate the pH at equivalence point.  

Q: Vanadyl trichloride (VOCl3) is a liquid that is used as a catalyst in the manufacturing of batteries...

A: Given data : Mass of VOCl3 = 21.34 g Molar mass of VOCl3 = 173.3 g/mol melting point: -77°C  boiling...

Q: a. Find the pH of a solution that is 0.550M in formic acid and 0.400 M in sodium formate K. (formic ...

A:   Above solution acts as acidic buffer  It's pH can be calculate by  pH = pKa + log (salt/acid)  Giv...

Q: What is the ionic strength of a 3:2 electrolyte with a concentration of 0.100 M? a. 1.8 M b. 1.5 M...

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Q: 13. Given the following thermochemical equation: Mg + Cla) MgCl2(3) 642 kJ + What is the AH for the ...

A: As 642kj energy is evolved in the product side. Therefore, this is an example of exothermic reaction...

Q: 9. Can either donate protons or accept protons depending on the environment. [H2O; CH:COOH; NaOH; HC...

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Q: For the mechanism provided below: a. Write the balanced equation for the overall reaction. b. Use th...

A: The rate law for a chemical reaction is an expression that provides a relationship between the rate ...

Q: Use the half-reaction method to balance the redox reaction below.  Ce4+ + Sn2+ → Ce+ + Sn4+

A: The half-reaction method is a method to balance redox reactions. It involves breaking the overall eq...

Q: • KDH

A: 1.KOH is a strong base with a polar ionic character as oxygen and potassium has difference in electr...

Q: How often are you asked to record the absorbance of the sample at the low temperature?

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Q: In one experiment, 0.871 mol of NO is mixed with 0.506O2. Determine which of the two reactants is th...

A: Given,  Number of moles of NO = 0.871 mol Number of moles of O2 = 0.506 mol Limiting reactant = ?  N...

Q: MASS SPECTRUM 100 80 60 40 20 0.0- 8 12 16 20 24 28 32 m/z Rel. Intensity

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Q: - Calculate the equilibrium constant given that the standard Gibbs free energy of reaction is -8.16 ...

A: Given :-  ∆G° = -8.16 kJ/mol  T = 249 K  To calculate :-  K (equilibrium constant)

Q: Consider the reaction. 2 Pb(s) + 0,(g) 2 PbO(s) An excess of oxygen reacts with 451.4 g of lead, for...

A: %yield = ( Actual yield÷ Theortical yield)×100%

Q: 5. Use standard enthalpies of formation to calculate AH°rxn for the reaction: Al2O3(s) + 3 CO(g) → 2...

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Q: The volume of the solution inside a container is constant as the time approaches infinity. True or ...

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Q: How many grams of solid sodium cyanide should be added to 1.50 L of a 0.233 M hydrocyanic acid solut...

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Q: Here is a general reaction with a K value of 1.6x10^(-6): 2A (aq) + 3B (aq) ↔ 2C(aq) Initially, yo...

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Q: Place the following terms with the Carrect Denelit: han Specific heat es dosity in the Said State Co...

A: Water provides an environment inside a cell that allows many chemical reactions to occur.     

Q: .37 A calorimeter contained 75.0 g of water at 16.95°C. A 93.3-g sample of iron at 65.58°C was place...

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Q: (b) What is the value of E if the concentration of Cd²* is 5.88 x 10° and the concentration of Mn²* ...

A:  

Q: A buffer solution is 0.438 M in HNO2 and 0.236 M in KNO2. If Ka for HNO2 is 4.5x10-4, what is the pH...

A: Given: concentration of HNO2 = 0.438 M  concentration of KNO2 = 0.236 M  Ka for HNO2 = 4.5 × 10-4  T...

Q: Which statements are true? A. There are 11 elements represented in the periodic table by letters der...

A:          

Q: A solution is made using 141.3 g of phenol (MM = 94.11 g/mol) and 70.0 g of acetone (MM = 58.08 g/mo...

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Q: Predict the product of reaction shown. fuming H,SO, SO,H so, он IV O II

A:

Q: How many electrons does a Co atom have in its 3⁢d subshell?     How many of those electrons are unpa...

A: Co is the symbol of Cobalt  Atomic no. of Co is 27 (total 27 electrons in its neutral state)

Q: An analysis was done on 3 unknown samples (NaOH, Na2CO3 and NäHCU3) USIng each analysis and a single...

A: Neutralization reactions of all three possible compounds are: NaOH + HCl ------> NaCl + H2O Na2CO...

Q: What part fo chromatography is being descibe by the following?                                     ...

A: These all are the terms used in the chromatography.

Q: When 35.6L of ammonia and 40.5L of oxygen gas at STP burn, nitrogen monoxide and water form. After t...

A: Volume of ammonia = 35.6 litrep Volume of oxygen = 40.5 litre The balanced reaction is., 4NH3 + 5O2 ...

Q: What is the main information you wish to acquire when performing a melting point analysis? A) the pe...

A: Melting point analysis is always done to check the purity of our compound obtained during the chemic...

Q: Hb + C,H12O6 + NaOH + C3HŞN C44H42FEN,O4

A: Hb is C2952H4464N3248O812S8Fe4.

Q: If you had weighed the product before drying with the vacuum, would your % yield of the product be h...

A: We have to predict the type of % yield.  

Q: 5. Predict the major product of the following reactions. А. HBr В. HBr + HBr

A: Since you asked multiple questions so as per Q&A guidelines of portal I solved first question fo...

Q: Get to know the general structure of an energy level diagram by labeling the follovwing. The molecul...

A: Given energy-level diagram:

Q: The nutritional label on a bottle of soy sauce indicates that one serving (15 mL) of soy sauce conta...

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Q: Propose a synthesis of the compound shown below starting with benzene and any other acydic carbon co...

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Q: Calculate the pH of a water that contains 0.658 mg/L of carbonic acid. Assume that [H*]=[HCO3] at eq...

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Q: does the substituent F __ have an electron withdrawing-effect, or a electron-donating effect?

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Q: Match all the indicated areas/points of the titration curve provided to their descriptions related t...

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Q: Decide whether the following molecules are mesocompounds. Draw the plane of symmetry

A: Where plane of symmetry or center of symmetry present that is meso compound.

Q: AH = - 1.2 kcal/mol; Kp = 16 nM OH 1 HO AH = - 6.0 kcal/mol; Kp = 76 nM %3D OH HOl. AH = - 5.5 kcal/...

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.