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Q: What is the mechanism of the first step?

A: α-caryophyllene commonly known as α-humulene is monocyclic sesquiterpene which is obtained naturally...

Q: A diuretic is a compound that causes increased urination and thereby reduces fluid volume in the bod...

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Q: What is the energy of a mole of photons that have a wavelength of 667 nm? (h = 6.626 × 10⁻³⁴ J • s a...

A: The relationship between energy of 1 photon and its wavelength is given by  where λ = wavelength in...

Q: I don't understand how to solve those questions. I already attached the image of my questions. Thank...

A: Introduction : A) We have to calculate voltage of given cell . We can use Nerst equation for this . ...

Q: If volumes are additive and 250 mL of  0.15  M potassium bromide is mixed with 496 mL of a potassium...

A: Given: Volume of potassium bromide            = 250 mL Molarity of potassium bromide          = 0.15...

Q: Enter the number of electrons in each energy level (shell) for each of the elements. If the energy l...

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Q: Is scientific method always orderly? Explain your answer

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Q: For the reaction 2NO(g)+ 2H2(g)-> N2(g)+2H2O(l) Delta H° = -752.2kj and delta S°= -351.6J/K The s...

A: The reaction given is  2 NO (g) + 2 H2 (g) -----> N2 (g) + 2 H2O (l) Given : ΔHo = -752.2 KJ = -7...

Q: Physical Chemistry, can you work it out and write down exactly which equations that you're using?

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for yo...

Q: What are three or more substituents on a benzene ring ?

A: Benzene with molecular formula (C6H6) is an aromatic cyclic compound and the benzene molecule can ha...

Q: Identify the oxidizing and reducing agents in the following: 2MnO4−(aq) + 10 Cl−(aq) + 16 H+(aq) → 5...

A: If oxidation number is Increases then oxidation takes place  And if oxidation number is decreases th...

Q: Are trends in colums and rows on the periodic table perfect if not what are the blips?

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Q: Which quantity must be determined experimentally inorder to determine the bonding atomic radius of a...

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Q: Chemistry question

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Q: Consider the following three statements about the reactivityof an alkali metal M with oxygen gas:(i)...

A: Given statements,    (i) Based on their positions in the periodic table, the expected product is the...

Q: The source of oxygen that drives the internal combustionengine in an automobile is air. Air is a mix...

A: (a) The balanced equation for the reaction of nitrogen and oxygen giving nitric oxide gas is, The b...

Q: please help

A: Given : Mass percent of C = 75.9 % Mass percent of H = 8.80 % And mass percent of O = 15.51 %  

Q: What is the molecular formula of a substance that contains 2.64 g of C, 0.444 g of H, and 3.52 g of ...

A: Given : Molecular mass of compound = 60.05 g/mol Mass of C = 2.64 g Mass of H = 0.444 g Mass of O = ...

Q: The atomic mass of lithium is 6.9 41AMU. Lithium has two natural occurring isotopes Li-6 in Li-7.Whi...

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Q: The density of Bi at 25 °C is 9.808 g>cm3. How many Bi atoms are present in a cube of the element...

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Q: The fluoride rinse in dental offices usually contains sodium fluoride. Sodium fluoride can be prepar...

A: The reaction given is the reaction of Sodium metal with fluorine gas to form Sodium fluoride. The Na...

Q: Consider a crystal of aluminum, which has a face centered cubic structure shown below. The distance ...

A: Given: Edge length = 0.404 nm  

Q: Why is rainwater naturally acidic, even in the absence of polluting gases such as SO2?

A: The primary source of rainwater for acidity is CO2 that reacts with water to form carbonic acid (H2C...

Q: A current of 3.16 A is passed through a Cr(NO,), solution. How long, in hours, would this current ha...

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Q: The chemistry of corrosion of iron is essentially an electrochemical phenomenon. Explain the reactio...

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Q: Predict the actual bond angle in SeCl2 using the VSEPR theory.

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Q: Calculate the collision frequency, z, and the collision density, ZAA, in carbon monoxide, d = 360 pm...

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Q: How does the random coil shape relate to the radius of gyration of a polymer chain?

A: Polymers are formed by polymerization of monomer units, which consist of a long repeating chain of m...

Q: What is the radius of a barium atom ? Give your answer in nm

A: Atomic radius is defined as the distance between the center of the nucleus to the outermost shell co...

Q: You have 615 ml of 4.69 M HCl.  Using a volumetric pipet, you take 288 ml of that solution and dilut...

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Q: Write the complete balanced equation for the precipitation reaction in aqueous solution of barium ni...

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Q: In the isoelectronic series Ca2 + , Cs+, Y3 + , which ion islargest?

A:   Among Ca2+, Cs+, Y3+ the largest ion will be:

Q: Explain how can we prevent the surface oxidation of copper without excessive coating?

A: When metals are placed in open area their surface get oxidized. This reduces the life of metals. To ...

Q: The standard electrode potential (E°) for Daniel cell is +1.1 V. Calculate the ΔG° for the reactionZ...

A: Gibbs free energy is the difference between enthalpy and product of entropy.  

Q: Chemistry Question

A: Hydrogen bonding: A hydrogen bond is a special intermolecular bonding interaction between a lone pai...

Q: Define the following terms :(i) Sorption(ii) Tyndall effect(iii) Electrophoresis

A: Here given few terms and we are asked to define them.

Q: What types of solids are electrical conductors, malleable and ductile?

A: Metallic solids are formed when positively charged nuclei of metal atoms are held together by valenc...

Q: Calculate emf of the following cell at 25°C :Fe | Fe2+ (0.001 M) || H+ (0.01 M) | H2(g) (1 bar) | Pt...

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Q: Enzymes are kinetically important for many of the complex reactions necessary for plant and animal l...

A: Biomolecules- The departed molecules which combine in specific way produce new life or helps in mai...

Q: Define the following terms :(i) Fuel cell(ii) Limiting molar conductivity (Λ°m)

A: 1) Fuel cells are the galvanic cells that convert the energy of the combustion of the fuels( hydroge...

Q: What is the measurement in terms of appropriate si for a red blood cell that measured 0.0000071 m

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Q: A photon of blue light has a frequency of 6.1 × 10¹⁴ Hz. Calculate the wavelength of this photon (c ...

A: The energy is emitted from source continuously in the form of radiations and magnetic fields. All el...

Q: Calculate the energy difference (ΔE) for the transition of n = 1 to n = 4 for 1.00 mol of hydrogen a...

A: The energy difference for the transition between two orbitals in hydrogen atom is given by (for 1 at...

Q: W+5 how many electrons

A: The symbol of Tungsten is "W" Atomic Number of Tungsten (W) =74  

Q: How many molecules of Oxygen is there in 5 moles?

A: Given : moles of oxygen = 5 mol