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How does the type of solvent used affect the rate of a chemical reaction between X and Y?

asked Feb 28 in Chemical kinetics by TheScientist (138k points)

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How does the variation in electronegativity values of elements affect the type of bonding and the resulting molecular structure formed between them? Provide examples to support your answer.

asked Feb 28 in Chemical education by TheScientist (138k points)

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How does the thickness of graphene affect its electrical conductivity and its potential use as a material for electronic devices?

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

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What is the heat capacity of a 50 g sample of iron at 25°C, given that the specific heat capacity of iron is 0.45 J/g °C?

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

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What is the density of a 25.0 mL solution of potassium chloride with a mass of 31.5 grams at 25°C?

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

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What is the balanced redox reaction for the reaction between permanganate ion (MnO4-) and hydrogen peroxide (H2O2) in an acidic solution?

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

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What are the factors that affect the luminescence of materials and how do they influence the material's photochemical properties?

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

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What is the VSEPR geometry of NH3 (ammonia) molecule?

asked Feb 28 in Chemical bonding by TheScientist (138k points)

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What is the corrosion rate of a copper metal in a seawater environment if the weight loss after 30 days of exposure is found to be 0.25 grams? (Assume a surface area of 10 cm2 and a density of copper as 8.96 g/cm3).

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

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What is the enthalpy change for the ionization of a 1 mol/L solution of hydrochloric acid (HCl) at 25 °C, given that the pH of the solution is 1.5?

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

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What is the effect of a change in pH on the zeta potential of a colloidal suspension? Provide experimental evidence to support your answer.

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

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How does the chemical structure of thymine differ from uracil and why is it important in DNA replication and repair?

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

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What is the corrosion rate of a steel bar in a 1 M solution of sulfuric acid at 25°C, if the bar surface area is 50 cm² and the weight loss of the bar after 24 hours of immersion in the acid is found to be 2.1 grams?

asked Mar 1 in ElectroChemistry 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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How does the use of biomass as a renewable energy source impact the chemical composition and pH levels of soil in agricultural areas?

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

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Using the bond dissociation energy values for H-H, Cl-Cl, and H-Cl given in a table, calculate the bond dissociation energy for the HCl molecule.

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

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How does the transport of lipids differ from that of other biomolecules in the body and what biochemical pathways are involved in the metabolism of different types of lipids?

asked Feb 28 in BioChemistry by TheScientist (138k points)

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What is the enthalpy change for the dissolution of 10 grams of NaCl in 100 mL of water at 25°C given that the enthalpy of solution of NaCl is -3.9 kJ/mol?

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

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What is the BET surface area of a sample of carbon adsorbent that adsorbed 7.2 mmol of nitrogen gas at a liquid nitrogen temperature of 77 K, assuming a monolayer coverage of 5.8 x 10^-7 mol/m2 and a nitrogen pressure of 0.98 atm?

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

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How does the use of a catalyst affect the rate of the reaction between hydrogen peroxide and potassium iodide?

asked Feb 28 in Chemical kinetics by TheScientist (138k points)

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