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What is the maximum achievable monolayer coverage of a gas on a solid surface at a temperature of 25°C and a pressure of 1 atmosphere, given that the Langmuir constant is 0.05 L/mol?

asked Mar 1 in Surface Chemistry by TheScientist (138k points)

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How much mass of silver (Ag) will be deposited onto a cathode during the electrolysis of a silver nitrate (AgNO3) solution using a current of 2.5 A for 20 minutes? The molar mass of silver is 107.868 g/mol and the Faraday constant is 96,485 C/mol.

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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What is the exchange current density for the oxidation of copper in a 0.1 M copper sulfate solution at 25°C using a platinum electrode?

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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How can we accurately calculate the band gap energy and optical properties of a semiconductor quantum dot with a radius of 5 nm using density functional theory (DFT)?

asked Mar 1 in Quantum Chemistry by TheScientist (138k points)

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How does the use of chemical fertilizers in sustainable agriculture affect soil health and contribute to environmental pollution?

asked Feb 28 in Environmental Chemistry by TheScientist (138k points)

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What are the possible challenges and limitations that can be encountered in the synthesis of zeolites using novel methods and how can they be overcome?

asked Feb 28 in Materials Chemistry by TheScientist (138k points)

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What factors affect the effectiveness of sunscreen agents in protecting the skin from UV radiation?

asked Mar 1 in PhotoChemistry by TheScientist (138k points)

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What is the corrosion rate of a zinc electrode coupled to a copper electrode in a 0.1 M aqueous solution of NaCl if the galvanic couple has a potential of 0.8 V and a surface area of 4 cm² for the zinc electrode?

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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What is the standard enthalpy change for the reaction between copper(II) sulfate pentahydrate and ammonia to form the deep blue complex ion Cu(NH3)4(H2O)2SO4? Show all the steps involved in calculating the standard enthalpy change.

asked Mar 1 in Chemical thermodynamics by TheScientist (138k points)

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Identify the major product formed from the following organic reaction: CH3CH2CH2-Br + KOH → Explain the mechanism of the reaction and predict the product based on the principles of rearrangement reactions in organic chemistry.

asked Mar 1 in Organic Chemistry by TheScientist (138k points)

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What is the pH of a solution with a concentration of 0.01 M hydrochloric acid?

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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What is the lattice energy of sodium chloride (NaCl) given that the distance between the sodium and chloride ions is 2.82 Å and the charges on the ions are +1 and -1 respectively?

asked Mar 1 in Inorganic Chemistry by TheScientist (138k points)

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What is the Gibbs free energy change for the reaction of hydrogen gas (H2) and chlorine gas (Cl2) to form hydrochloric acid (2HCl) at standard conditions (298 K and 1 atm)?

asked Mar 1 in Chemical thermodynamics by TheScientist (138k points)

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What is the equilibrium constant for the reaction N2 (g) + 3H2 (g) ↔ 2NH3 (g) at a temperature of 400°C and a pressure of 10 atm?

asked Mar 1 in Chemical equilibrium by TheScientist (138k points)

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Sure, here's a precise question related to balancing chemical equations:Balance the following chemical equation:Fe + HCl → FeCl3 + H2

asked Mar 1 in Chemical reactions by TheScientist (138k points)

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One mole of neon gas is heated at constant pressure, and its initial temperature is 300 K. The neon gas is then allowed to expand isothermally and reversibly until its volume triples. What is the entropy change of the neon gas during the process?

asked Mar 1 in Physical Chemistry by TheScientist (138k points)

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What is the electronegativity difference between chlorine (Cl) and oxygen (O) in the compound sodium chloride (NaCl)?

asked Mar 1 in Chemical bonding by TheScientist (138k points)

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What is the corrosion potential of a galvanic couple composed of a Zn metal and a Cu metal in a 1 M Cu2+ solution at 298 K when the Zn electrode is at -0.76 V and the Cu electrode is at +0.34 V?

asked Mar 1 in ElectroChemistry by TheScientist (138k points)

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How many resonance structures can be drawn for the nitrate ion (NO3-) and what are their respective bond lengths and partial charges on the atoms involved?

asked Mar 1 in Chemical bonding by TheScientist (138k points)

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What is the pH of a 0.05 M solution of hydrochloric acid (HCl)?

asked Mar 1 in Inorganic Chemistry by TheScientist (138k points)

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