Product: DRY SENSITIZED SOLAR CELL (a) How was it produced using nanotechnology? (b) What are the field/area where this product is already applied? (c) What are the Advantages/Benifits and the Disadvantages/Risks associated with this nano-product?

Q: There is a natural tendency for the universe to have increased entropy.

A: Given statement is true or false ?

Q: why You won’t feel so incredible after being exposed to hazardous chemicals?

A: A chemical exposure may cause unpleasant effect on health as follows:

Q: How many grams of Al are needed to produce 0.450 L of 1.6 M solution of AICI3? 2AI + 6HCI → 2AICI3 +…

A: Given-> Volume of AlCl3 = 0.450 L Molarity = 1.6 M

Q: What is the Acid in the reaction below? NH4+ + H2O → NH3 + H3O+ Choose the right answer in the…

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Q: Identify (circle) the oxidizing agent in each of the following redox reactions: PbO, + Pb + 2 HSO, +…

A: ->Oxidizing agent is the reagent which can oxidize the other specie and reduce itself.

Q: EVALUATION #1 MULTIPLE CHOICE. ENCIRCLE THE LETTER THAT CORRESPONDS TO THE CORRECT ANSWER. 1. WHICH…

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Q: I. Balance each half reaction in basic solution. 2. NO → NO3 4. MnO2 → Mn2O3

A: Balanced the givem half reaction in basic solution ---

Q: Predict the major product for the following reaction.

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Q: and 23.Different forms/conformations of the same molecule

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Q: a. The equation below represents the reaction of chlorine with sodium hydroxide solution. Cl2(g) +…

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Q: Glass is composed of Silicon dioxide, SiO,. How many atoms of oxygen are in a window that weighs 500…

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Q: d. Practice: Calculate the molarity of an unknown LIOH solution that required 14.50 mL to reach the…

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Q: The Ksp of Caco3 is 8.7x10-9. Calculate the mass of precipitate in grams that forms when 100 ml. of…

A: Answer: The amount of CaCO3 that will be remain in solution will be equal to its molar solubility,…

Q: Hydrazine, N, H,, reacts with oxygen to form nitrogen gas and water. N,H,(aq) + 0,(g) - N, (g) + 2…

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Q: 2. a platinum electrode immersed in a solution that is 0.0400 M in Fe2SO4 and 0.00915 M in Fe2(SO4)3…

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Q: CH3 CH;CHCH,CHČHCH3 1. CH3 CH3 „CH,CH3 `CH,CHCH3 ČH3

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Q: Refer to Compound X1 as shown below: но он HO 3 HO, HO

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Q: re. What could be don. tion? vater -ve potassium chloride

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Q: 16.) A 45.0 g silver spoon was submerge to a 200 g of coffee drink in a 432 g ceramic mug. If the…

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Q: e limiting reactant?

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Q: Given the following compounds, put them in order from least to most acidic (based from most the…

A: To put the given compounds in order from least to most acidic:

Q: Following are the H and "C NMR spectra for each of four isomeric bromoalkanes with ormula CiH,Br.…

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Q: 5.) Which of the following is true for an adiabatic expansion of an ideal gas? A.) The internal…

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Q: Calculate the pH, the pOH, and the molarity of all species in solution for a 2.45 M butanoic acid…

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Q: (a) "CH, (b) CH,CH,CH,CH,Br 2, CH,CH,CH,CH,CH,CH,CH,CH, (c) CH,CH,CH,CH=CH,…

A: Wurtz reaction : two alkyl halides are reacted with sodium metal in dry ether solution to form a…

Q: 1) The decomposition of N2O5 is an important process in the atmosphere. The half life is 2.05 x 10ʻ…

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A: Ans. Purpose of adding charcoal in toothpaste formulation: Recently, charcoal-containing…

Q: A 7.70 L container holds a mixture of two gases at 11 °C. The partial pressures of gas A and gas B,…

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Q: In a redox reaction, the species reduced    Choose the right answer from the following choices…

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Q: A 5.00 L solution is prepared containing 0.634 moles of crotonic acid (C3H5COOH) and 0.586 moles of…

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Q: . Analyze the "C NMR spectrum for the C,H,0 compound shown below and determine a structure. Assign…

A: 13 C NMR shows different peak for the carbons which have different environment.  So from this, we…

Q: The alkalinity of natural waters is usually controlled by OH- (MW = 17.01 g/mole), CO3-2 (MW = 60.01…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: -Identify the configuration of the double bond.  -Redraw the structure and identify the chiral…

A: ->If the most preferential group attached on double bonded carbon are on same side then it has Z…

Q: e limiting reagent

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Q: proton acceptor A NH 3. Но

A: Bronsted Lowry acid base concept  Bronsted Lowry acid is the substance which Donate proton while…

Q: A butane gas has an Energy density of 28.66 kJ/mL. Calculate the heat of combustion of Butane if the…

A: Answer: Given data: d=0.5788g/mLM=58.12g/mol E=28.66kJ/mL

Q: Draw the orbital box diagram for Gold. Write the complete electron configuration for the copper +1…

A: The electronic configuration is the arrangement of different electrons in the orbitals according to…

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Q: How do I solve for the ICE table?

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A: here we are required to find the fraction of sample of Sr that would remain after 175 years later

Q: You want to prepare a buffer solution with pH equal to 3. How many grams of NaF (41.99 g/mol) should…

A: pH of a buffer solution is equals to 3. Volume of HF = 250 mLConcentration of HF = 0.350 MWe have to…

Q: Calculate the potential of each electrode below: 1. a zinc electrode immersed in 0.0500 M Zn(NO3)2…

A: Since you have asked multiple questions, we will solve, first one for you. For remaining questions,…

Q: A solution of KMNO, with a concentration of 8.25 x 10° M yields an absorbance value of 0.1302 when…

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Q: and 23.Different forms/conformations of the same molecule

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Q: In relation to the "primary structure" or "released structure" in the flexibility (force) method:…

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Q: Can you please answer and clearly show your work for all the parts to this question.   Draw the…

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Q: Define the following: 1. emulsion 2. suspension 3. colloidal dispersion

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Q: Consider the chemical species in the reaction below; •H + •Cl → HCl Do you think the activation…

A: Activation energy: When the reactant molecules convert into the products, they required the minimum…

Q: The ionization constant (Kb) of pyridine (C5H5N) is 5.62 x 10^-4. If 11.3 grams of sample of…

A: Given data :