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Q: Which structure is conjugated? CN

A: Given : structures are given  To find : Structure that show conjugation.  Solution  : Conjugation in...

Q: Calculate the frequency in hertz of electromagnetic radiation that has a wavelength of 585.0 nm. (c ...

A: Given: Wavelength of radiation = 585.0 nm Speed of radiation = 3.00×108 m/s

Q: How many unpaired electrons does the atom Fe have? 1 4 3 O 2

A: Electronic configuration: Electronic configuration of an element is the arrangement of its electrons...

Q: The noble gas radon has been the focus of much attention because it may be found in homes. Radon-222...

A: Write the balanced equation of Rn-222 on alpha decay ?

Q: What is the initial concentration of A in reaction 2? Give your answer to three decimal places.

A: We are given set of data of chemical kinetics  In 1st question we have to find intial concentration ...

Q: Using the van der Waals equation, construct a plot (in Excel) of pressure vs. volume for argon at va...

A: van der Waals equation is: P+an2V2V-nb=nRTFor one mole of gas,P=RTV-b-aV2

Q: How the principle of chemical equilibrium plays a role or can be applied in acute mountain sickness ...

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Q: write a summary on Production of inorganic light-harvesting materials for solar cells and then also ...

A: As the name suggests, light-harvesting materials harvest solar or sun energy that is converted to ch...

Q: (0.41 + 124.9)/1.4 × 10-2 =

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Q: In the laboratory you dissolve 12.2 g of manganese(II) chloride in a volumetric flask and add water ...

A: We have to calculate the Molarity of solution, concentration of magnesium ion and that of chloride i...

Q: 14. Respiration is a three-step process that breaks down glucose and produces ATP. Describe each of ...

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Q: 1. explain the influence of temperature and freezing on the stability of  mayonnaise. 2.  explain h...

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Q: VII. Questions 1. Compare the relative acidity strength of phenol, acetic acid and alcohol as observ...

A: Given : Phenol, acetic acid and alcohol. To Find : Relative acidity strength Solution : Acidic stren...

Q: To compare an observed boiling point to one reported in the chemical literature, it is often necessa...

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Q: 1.b. Acidity of Phenols – Reaction with NaHCO3 Test Sample Description Of Mixture Inference Slightly...

A: Reaction with NaHCO3 = 1) Phenol = Reaction of phenol with NaHCO3 is,

Q: The normal boiling point of SO2 is 263.1 K and that of NH3 is 239.7 K. Which of the statements below...

A: Boiling point is defined as the temperature at which a liquid starts melting and becomes vapours.   ...

Q: 3) An undergraduate student is making 1.5 L of a 1.5 M potassium phosphate buffer solution with a pH...

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base .   it...

Q: The actual mass of a 186 Ce atom is 135.907140 amu. (Consult Appendix B for any needed reference val...

A: Mass of atom given = 135.907140 amu or 135.907140 g/mol  Mass of proton = 1.007277 amu = 1.007277 g/...

Q: What's the full electron configuration of the atom CI ? O 1s? 2s? 2p6 3s² 3p5 1s? 2s? 2p6 3s? 3p4 O ...

A: Given  Atom = Cl Full Electronic configuration = ? 

Q: What percent of the total molecules in the two moles of hydrogen at 373 K would travel a speed range...

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Q: 0.13 absorbance/4713.6 L/mol = ? Answer In scientific notation please.

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Q: What is the equilibrium that influences the colour change of the Eriochrome Black T indicator? (Why ...

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Q: Chemistry Question

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Q: Alkyl halides undergo substitution reactions via SN1 and SN2. Which alkyl halide will follow both SN...

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Q: A water solution containing an unknown quantity of a non electrolyte solute has a freezing point of ...

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Q: I need the concentration (M) in all the solution

A: lambert beer law when a monochromatic light is passes through a transparent solution then the absorb...

Q: Make sure to include all the alcohols possible n

A:   Primary alcohols upon oxidation with mild oxidising agents like pyridinium chloro chromate (PCC) ...

Q: 13.02 mg KI in 106.7 mL of solution Express your answer using four significant figures. M molarity =...

A: Given that:  Mass of KI = 13.02mg = 13.02mg×1g/1000mg = 0.01302g  Volume of solution = 106.7ml = 106...

Q: 7. Combustion reactions are a notable source of carbon dioxide in the environment. Using the followi...

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Q: a. b. CH,-CH–CH,CH, -CH, CH,

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Q: 11. Electrochemistry is important in many aspects of daily life. i. Define voltaic cell. ii. Fill in...

A: (i) A Voltaic Cell is an electrochemical cell that uses spontaneous redox reactions to generate elec...

Q: If boron hydride, B4H10, is treated with pure oxygen, it burns to give B2O3 and H2O: 2 B4H10(s) + 1...

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Q: One of the steps in the commercial process for converting ammonia to nitric acid involves the conver...

A: Given  Reaction  NH3 + O2    →  NO  + H2O  Number of mole of ammonia = 15.3 mole Volume of water pro...

Q: 10.71 g of MgSO₄ is placed into 100.0 mL of water. The water's temperature increases by 6.70°C. Calc...

A: density is defined as the mass of an object upon the volume of spaced occupied density d = mass of o...

Q: Activity 1: Classify Me Directions: Determine what type of intermolecular force/s is/are present in ...

A: Different type of Chemical compounds have different intermolecular forces, which based on their stru...

Q: What is the objective for synthesize aspirin experiment?

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Q: While the intensity of light increases, what happens to the amount of ejected electrons? The amount ...

A: Which option is correct ?

Q: 1. What are the three steps of solution formation? Explain each step.

A: Solution is formed when solute and solvent are mixed. This process completes in 3 different steps as...

Q: While the wavelength of light decreases (the frequency of light increases), what happened to the spe...

A: The relation between wavelength and frequency is ν = cλ ................(1) where v =frequency, c= v...

Q: 2) A weak acid has a K,= 6.62 x 10. What is the pH of a solution of this acid that is 2.65 M?

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Q: The Ksp of Ca3(PO4)2 is 1.3 × 10−26. Estimate the solubility of this salt in units of g. L-1

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Q: In each of the following nuclear reactions, supply the missing particle. For the nuclear reaction B ...

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Q: Using ∆G0f values for the reaction 2NO2(g)  ⇌ N2O4(g) a. Calculate Kp at 298K  b. Effect of decrea...

A: NOTE: please note according to our policy , we can only answer first three subparts of a question.  ...

Q: Consider a flask containing 25.00 mL of 0.100 M sodium benzoate (NaC6H5COO). This is titrated with a...

A: pH of the solution is the negative logarithm of the hydrogen ion concentration.

Q: To determine the experimental heat of combustion of an alcohol, the set-up was assembled as shown be...

A: Heat of combustion of a fuel- 1.A liquid fuel is burnt in excess oxygen. 2.The mass of fuel is deter...

Q: If an electron has a speed at 8.31 x 106 m/s with 11% uncertainty, calculate the minimum uncertainty...

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Q: The Ksp of Ca3(PO4)2 is 1.3 × 10−26. Estimate the solubility of this salt in units of g. L-1

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Q: Using the provided table, determine the enthalpy for the reaction C's) + CO, (g) -2 CО (9) Substance...

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Q: Polarography is part of an electrochemical method called electrogravimetry.  True  False

A: Electrogravimetry is a method in which metal is quantitatively plated on to an electrode. The amount...

Q: а. CH3 HCI/ZnCl2 . CH3 OH b. HCI/ZnCl2 CH3(CH2),–CHOH C. н он CH;-C-CH–CH; ċ–CH–CH, HC/ZnCl2 ČH,

A: Reaction of hydrogen halides with alcohols