Green light has a wavelength of 5.2 x 10² nm. a What is the energy, in joules, of one photon of green light? Energy = J/photon

Q: 1.00 mole of copper(II) sulfate, CuSO4, contains how many O atoms? O 2.41 x 1023 O atoms 2.41 x 1024…

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Q: 1 + OH3NH2 Ю Н

A: Given : structure of reactants  Tip : nucleophilic attack on carbon atom of ketone

Q: CN. Rank the following compounds in order of reactivity toward an SN2 reaction. (1=best) CH3Br > 1…

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Q: Select all of the correct statements about reaction quotients and equilibrium constants from the…

A: Reaction quotient and equilibrium constant have the same mathematical expression, but they differ in…

Q: What is the molarity of 100ml unknown Ca2+ solution when 5.20 g of CaC2O4·H2O is measured?

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Q: XX Br₂ H₂O Br₂ H₂ Pt 1) 03 2) S

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Q: A buffer with a pH of 4.54 contains 0.39 M of sodium benzoate and 0.18 M of benzoic acid. What is…

A: Here we are required to find the concentration of hydronium ion.

Q: Using the smallest whole-number coefficients, what is the sum of coefficients for the balanced…

A: we have to write the balanced equation and determine sum of coefficients in balanced equation

Q: Suppose 100 mL of 2.0 × 10–4 M Fe(NO3)3is added to 100 mL of 2.0 ×10–5 M KIO3. What is Qsp value?…

A: when Qsp < Ksp and then compound does not precipitated. For precipitation, Qsp > Ksp

Q: Reaction B. 1. B₂H6 2. H2O2 (aq) 3M NaOH Draw the product in rea Select Draw Rim C

A: This reaction is an example of hydroboration oxidation reactions. In which alkene is converted into…

Q: The pressure of a gas sample at 16.5 °C is increased from 1.10 atm to 2.30 atm by heating at a…

A: Initial temperature (T1) = 16.5°C = 16.5 + 273=289.5 K Initial pressure (P1) = 1.10 atm  Final…

Q: When titrating 225 mL of 0.245 mol/L nitric acid HNO3 with 0.205 mol/L KOH. What is the pH of the…

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Q: Suppose you performed a similar experiment using an unknown carbonate sample. The pressure and…

A: The answer to the following question is-

Q: 1. For coexistence curves in a phase diagram for a typical pure substance, which is more sensitive…

A: Sensitivity of phase towards pressure depends on the composition of substance.

Q: What functional group had one peak that did not show up in the table of wavenumbers under the…

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Q: A 2.50 g sample of powdered zinc is added to 100.0 mL of a 2.00 M aqueous solution of hydrobromic…

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Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: Heat loss by hot water = heat gain by cold water + heat gain by calorimeter density = massvolume

Q: The reaction between hydrochloric acid and aluminum produces hydrogen gas and aluminum chloride. How…

A: Given :  Moles of HCl = 7.20 mol

Q: ㅇ-

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Q: Show that the standard heat of the following reaction is equal to -905 kJ/mol at 25 oC. 4 NH3(g) +…

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Q: In this reaction, what is the correct coefficient for sodium chloride? Ph/NQala +? NaCl → PbCl2 +…

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Q: Propose a mechanism from the following structures gro Secuencia 4AB

A: Given reaction can be explained as:

Q: When a solution of AgNO3 is mixed with a solution of K₂SO4, a solid precipitate will form. True the…

A: AgNO3 and K2SO4 are water soluble compounds while Ag2SO4 is insoluble compound.

Q: Draw the major product of this reaction. Include stereochemistry if applicable. Ignore byproducts.…

A: When primary alkyl halide is treated with sodium acetate then substitution reaction occurs by SN²…

Q: Match the peaks in this spectrum with hydrogens on the structure below.

A: We have to match the peaks with hydrogens in the given structure

Q: Ph Br 'Н La Ph 013 1) LIAIH₂ 2) HO B HOⓇ (b) A (a)

A: We have given the organic reaction and we have to find the mechanism of the reaction.

Q: VI. The rate of the reaction (CH3)3CCI+NaSCH2CH3 - ->> (CH3)2C=CH2 + CH3CH2SH + NaCl is first-order…

A: Given that a reaction is (CH3)3CCl + NaSCH2CH3 → (CH3)2C=CH2 + CH3CH2SH + NaCl. Also, given that the…

Q: An ethyl group (CH3CH2-) that is attached to a quaternary carbon has what splitting pattern in a NMR…

A: As we know that : In general an NMR  resonance will be split into N+1 peaks where N is the number of…

Q: What is enriching Uranium? Why is uranium-235 used instead of the more common isotope uranium-238?

A: Uranium(U) is a silvery-white metallic with the atomic number 92.

Q: 1. You must prepare 250 ml of (0.1 mM EDTA, 2% w/v SDS, 40 mM NaCl) given 4.68% w/v NaCl (FW 58.44),…

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Q: 7) What is the pH of a solution prepared by dissolving 0.399 g of NaOH(s) in 8.50 L of water? (Kw…

A: First we need to calculate the concentration of NaOH and OH- using mass and volume.  As mole ratio…

Q: acid or a Lewis base. pective bins.

A: Molecules ions Or species which donate the pair of electron that called Lewis base and species which…

Q: HO AG° = HOT HO OH a form of glucose OH a form ß form H - Which of the two forms is most stable: HO…

A: In the chair conformation of cyclohexane bulky group prefer equatorial position. ∆G° = -RTlnKeq  R =…

Q: -OH 12504

A: 1-methylcyclopentanol react H2SO4 and gives 1-methyl cyclopentene

Q: Consider 0.100 M aqueous solutions of the following chemicals. Rank them in increasing order of pH…

A: Acids and acidic substances have pH less than 7. Bases and basic substances have pH more than 7.…

Q: Given the following equation, CaO(s) + H2O(l) → Ca(OH)2(s) ΔH°rxn = −64.8 kJ/mol how many grams of…

A: We are given the reaction CaO(s) + H2O(l) → Ca(OH)2(s) ΔH°rxn = −64.8 kJ/mol And we need to…

Q: For the word equation below, write the symbolic (skeletal) equation with the appropriate state…

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Q: O Macmillan Learning A 3.135 g sample of a new organic material is combusted in a bomb calorimeter.…

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Q: Is THF a polar protic or aprotic?

A: Polar protic solvent - solvents must contain proton attached to electronegative atom.  Polar aprotic…

Q: These answers are different? A little confusing. Not sure which is right step 1 or step 2..

A: Neither step 1 nor step 2 is completely correct.

Q: ] Assuming 4Hfurion is constant, find the pressure necessary to lower the freezing temperature of…

A: Given data: ρice=0.917 g/cm3ρwater=1.000 g/cm3 Tf(1 atm)=273.15 KTf(P2)=263.15 K           (∵…

Q: Specify both the alcohol starting material and the reagents you would use in each step in a…

A: Given product is : 2-methyl-2-butanol i.e a tertiary alcohol.  All the options provided for…

Q: Bystolic (shown below) is a pharmaceutical used to treat high blood pressure. What is the maximum…

A: Number of stereoisomers = 2 n (Where n = number of stereocenters)

Q: When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water…

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Q: A 75.0 mL sample of 0.0200 M HBrO4 is titrated with 0.0400 M RbOH solution. Calculate the pH after…

A: Given -  Volume of HBrO4 = 75.0 mL Molarity of HBrO4 = 0.0200 M Molarity of RbOH = 0.0400 M

Q: Show or hand draw the IR spectrum, The NMR Spectrum and the Mass spectrum for Acetyl Salicylic acid…

A: The structure of Acetyl salicylic acid is:

Q: Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: Given - Weight of hydrobromic =39.6 g  Weight of sodium hydroxide=8.2g

Q: Complete the table below by deciding whether a precipitate forms when aqueous solutions A and B are…

A: Here we are required to find the formula of the precipitate formed.

Q: FeCl3 + Na3PO4 → FePO4 + NaCl If 0.6793 moles of FeCl3 are reacted with 3.3851 moles of Na3PO4, how…

A: Iron (III) chloride reacts with trisodium phosphate to form iron(III) phosphate and sodium chloride.…

Q: M Try Again Your answer is incorrect. • Row 2: Your answer is incorrect. • Row 3: Your answer is…

A: In Double replacement reactions exchange of ions between two ionic compounds takes place.If one of…