What makes nanotechnology special in terms of how it is used to develop products? *   A. It helps in generating electricity   B. It utilizes change in properties when sufficient size reduction is achieved

Q: Reactions Oxidation / reduction /neither: CH3CH2OH Cro3 CH3CH H2C=CHCCH, + NH3 H2NCH2CH,ÖCH3 > Br 1....

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Q: Given the reaction: CUSO, 3H,O CUSO, 2H,Oi + H,Oja the AH° = 9900 and AG° = 4500 at 25°C. Calculate...

A: Partial pressure of water vapours

Q: Solving an enthalpy of neutralization problem. (see Chemistry 2e, Example 5.5): when 47.35 g of wate...

A: Given: Mass of water = 47.35 g. Initial temperature of water = 22.6 oC And final temperature of wate...

Q: 3. To the cooled anhydrate, CuSO4, of Part I, a student added about 5 mL of distilled water and then...

A: we are discuss whether the rehydration of copper(II) sulphate exothermic or exothermic process.

Q: Consider the following data on some weak acids and weak bases: acid base K. name formula name formul...

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Q: Consider the C-H bond associated with the indicated carbons. Which C-H bond in the following compoun...

A: Soln 3 Note_tertiary carbon hydrogen bond is more readily to be broken

Q: Determine whether each of the molecules is aromatic, nonaromatic, or antiaromatic.

A: Aromatic compounds are made up of conjugated planar ring systems with delocalized pi-electron clouds...

Q: 26. Write in the first two boxes on the left an equation using structural formulas for the reaction ...

A: The reaction between C3H8 (propane) and Cl2 (chlorine) is an example of substitution reaction where ...

Q: n order to be effective, a certain drug must be at amountgreater than 10 mgin the body.The drug is r...

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Q: Consider a chemical reaction between 5 Zn2+ (zinc cations in water) and 5 S2- (sulfide anions in wat...

A: Write a balanced chemical equation  reaction --

Q: wo volatile substances, A and B are dissolved in one another and the resulting solution has a vapor ...

A: Given : Mole fraction of B = 0.230  Mole fraction of A = 1-B = 1-0.230 = 0.77  

Q: 3. Calculate atomic mass of naturally occurring boron if 19.9% of boron atoms are 105B and 80.1% are...

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Q: Problem 68 2266 IR Spectrum (liquid film) 1749 4000 3000 2000 1600 1200 800 v (cm") 100 68 Mass Spec...

A: All the spectroscopy helps us to predict the structure of the unknown organic compound.  Mass spectr...

Q: Determine the concentrations of the following ionic species present in a 0.271M solution of Na2SO3. ...

A: ANSWER : (i) Concentration of OH- ion  =  0.000207 M (ii) Concentration of HSO3- ion  =  0.000207 M ...

Q: O CHEMICAL REACTIONS Cameror 1/5 Limiting reactants Liquid hexane (CH,(CH,)¸CH,) will react with gas...

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Q: For each of the compounds below, A , C and D tate whether the molecule is polar or nonpolar. H A B

A: Given : We have to tell whether the molecule is polar or non-polar.

Q: : what mass of CO2 is produced by the combustion of one litre of n-octane (C3H20), d = 0.702 g/mL)? ...

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Q: Use two concentration tables to calculate the concentrations of the species present in a 0.390 M sol...

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Q: 2. The population of a country doubles in 50 years. HOW Imany juut habitants. 3. Radium decomposes a...

A: Amount of radium is decomposing with respect to time and is proportional to amount present. Half of ...

Q: Element X has two isotopes. If 72.0% of the element has an atomic mass of 84.9 atomic mass units, an...

A: Given : We have to calculate the average atomic mass.

Q: The rate constant for this first-order reaction is 0.0246 s−1 at 300 °C.   A⟶products Calculate th...

A: The given reaction is of first order. k = rate constant = 0.0246 s-1 FInal mass after t = 1.28 mins ...

Q: Coulometry consumes larger amount of analyte than voltammetry

A: This is a multipart questions. According to guidelines In multiparts question we can solve only thre...

Q: You have a solution which is 45.6% by mass isopropyl alcohol (MM = 60.11 g/mol) in water. The densit...

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Q: How would you go about determining the extinction coefficient of a molecule?

A: The determination of the extinction coefficient of a molecule --> Firstly we have to measure the ...

Q: Given the reaction: CuSO4-3H2O CuSO4-2H2O + H2O the delta H=8000 and delta G = 3800 at 25°C. Calcu...

A:            CuSO4.3H2O ↔CuSO4.2H2O + H2O                                      ∆H = 8000∆G = 3800   T1...

Q: Calculate the pOH in an aqueous solution with a pH of 5.85 at 25°C.

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Q: rank leaving group abililty: Cl, MeCO2, Me, NMe2, OH

A: The leaving group ability is the rate at which a reaction takes place. Leaving groups can be anions,...

Q: a hydronium ion concentration.

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Q: (a) Calculate the equilbrium partial pressures of Oy, NOCI, NO, and Cly. Peg(O2) -L Pey(NOCI) - Pe(N...

A:   Volume of vessel = 1 L Temperature = 2385 K Moles of Cl2 found at equilibrium = 0.008268 Given rea...

Q: provide reagents to produce product

A: The reaction given is,

Q: Suggest methods for the synthesis of the compounds shown below, starting from the appropriate protei...

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: What is the mass percentage of sulfur in butyl mercaptan (C,H10S

A: Given: The compound is butyl mercaptan i.e. C4H10S. Assuming 1 mole of C4H10S.  

Q: 2. Chlorine trifluoride is a colorless, poisonous, and corrosive gas. It is produced from the reacti...

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the ...

Q: Find the volume in liters of 8.00 g O2 at STP

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Q: Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction i...

A: Given: Mass of CO2 reacting = 7.8 g.  

Q: Assume that you used a 0.680 g piece of pure aluminum in the synthesis of alum and obtained a 83.5% ...

A: Given mass of aluminium = 0.680 g percentage yield = 83.5 ℅

Q: Calculate the buffering index for a solution containing 1 × 10–2 mol L–1 of acetic acid when the sol...

A:

Q: write a) vyat chemical equation ( balanced) b) write ceuilibrim expasion (K) for reaclion c) will F ...

A: (a) Chemical equations                                                            CaF2 (s) ⇔ Ca2+ (a...

Q: How many moles are there in 2.17 x 1023 atoms of Au?

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Q: 1a. Determine the volume of 1.000 g of water (Densitywater= 0.9999 g/mL). %3D 1b. Determine the volu...

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Q: How many milliosmoles of sodium and how many milliosmoles of chloride are represented in 2 L of 3% h...

A: The milliosmoles of Sodium and chloride can be calculated as

Q: What is the value of the equilibrium constant Ke for the following reaction at the temperature of th...

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Q: "Lithium has two isotopes. Lithium-6 has an actual mass of 6.015 g/mol and lithium-7 has a mass of 7...

A: Given: There are two naturally occurring isotopes of lithium. Molar mass of isotope 1 i.e. lithium-6...

Q: Balance the below chemical reaction. Ec1H16 + O2 → → EcO2 + H2O In the correctly balanced equation, ...

A: In balanced reaction number of each atom on reactant side is equal to number of each atom on product...

Q: Suppose that exactly 100 bacteria are added into a flask containing nutrients for the bacteria. The ...

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Q: moles

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Q: The composition of one or more rigid motions and a dilation is called a(n)

A: The composition of one or more rigid motions and dilation is called similarity transformation.

Q: Tollowing ctions. [Co(NH,),]" +[Co*(NH,),] -[Co(NH,),]" +[Co*(NH,),J* [Ru(NH, )," +[Ru*(NH,),]" -[Ru...

A: Given : We have to tell why Ru complexes have faster rate than Co complexes.

Q: Draw a picture of the atom that shows where the protons, neutrons, and electrons are in an atom of n...

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Q: About 4.00 g of hydrogen gas undergoes combustion and produces water in its liquid state. Eventually...

A:  The combustion equation of hydrogen gas is                               H2 + 12O2 = H2O  Here 1 mo...