Recent activity by AllenBloomfi

1 answer 20 views

What is the effect of varying concentrations of reactants on the reaction rate and safety of the reaction between sulfuric acid and sodium hydroxide, and how can this information be used to design a safe and efficient reaction process?

answered 3 days ago in Chemical kinetics

1 answer 23 views

What is the electronegativity difference between oxygen and nitrogen atoms in a molecule of NO2?

answered 5 days ago in Chemical bonding

1 answer 25 views

What is the dipole moment of a water molecule according to ab initio calculations and how does it compare to the experimental value?

answered 6 days ago in Computational Chemistry

1 answer 22 views

How does the degree of crystallinity of a polymer affect its mechanical properties?

answered 6 days ago in Polymer Chemistry

1 answer 26 views

How does the concentration of the emulsifying agent affect the stability of an oil-in-water emulsion?

answered 6 days ago in Surface Chemistry

1 answer 32 views

What is the difference between linkage isomerism and coordination isomerism in coordination compounds? How can we distinguish between these two types of isomers based on their structural and spectroscopic properties?

asked Feb 13 in Coordination Chemistry

1 answer 30 views

What is the hybridization of the central atom in the inorganic compound SF6?

answered Feb 13 in Inorganic Chemistry

1 answer 32 views

What is the hybridization of the central atom in the inorganic compound PCl5?

asked Feb 13 in Inorganic Chemistry

1 answer 9 views

How could a small molecule inhibitor be designed to target the beta-amyloid protein aggregation in Alzheimer's disease?

asked Feb 12 in Medicinal Chemistry

1 answer 26 views

How can the production process of polymers be optimized for better yield and higher quality?

asked Feb 10 in Chemical engineering

1 answer 11 views

Consider the reaction of hydrogen gas (H2) and iodine gas (I2) to form hydrogen iodide (HI) at a certain temperature. If the initial concentrations of hydrogen and iodine are [H2] = 0.5 M and [I2] = 0.3 M, and the equilibrium concentration of hydrogen iodide is [HI] = 0.1 M, what is the value of the reaction quotient (Qc) for this reaction at this temperature?

asked Feb 3 in Chemical thermodynamics

1 answer 38 views

Calculate the standard free energy change, ΔG°, for the following redox reaction if the standard reduction potential of Ag⁺/Ag is +0.80 V and the standard reduction potential of Cu²⁺/Cu is +0.34 V:Ag⁺(aq) + Cu(s) → Ag(s) + Cu²⁺(aq)

asked Feb 3 in Chemical thermodynamics

1 answer 34 views

Calculate the standard enthalpy change for the sublimation of iodine (I2) if 1 mole of I2(s) is converted to 1 mole of I2(g) at 25°C and 1 bar pressure. Given the following information:- The standard enthalpy of fusion of I2 is 15.4 kJ/mol- The standard enthalpy of vaporization of I2 is 41.3 kJ/mol- The standard entropy change for the sublimation of I2 is 62.4 J/mol K.

asked Feb 3 in Chemical thermodynamics

1 answer 41 views

Calculate the polarization in an electrochemical cell consisting of a zinc electrode and a copper electrode. The electrode potentials of zinc and copper are -0.76 V and +0.34 V, respectively. The resistance of the electrolyte solution between the electrodes is 10 ohms, and the current flowing through the cell is 0.5 A.

answered Feb 3 in ElectroChemistry

1 answer 42 views

How does changing the reactant concentration affect the rate of reaction in a reaction with a fixed stoichiometry?

answered Feb 3 in Chemical kinetics

1 answer 69 views

What is the relationship between air pollution levels and the incidence of respiratory diseases in urban areas?

asked Jan 31 in Environmental Chemistry

1 answer 44 views

How can gas chromatography be used to determine the composition of a mixture of two unknown compounds and what are the steps involved in the process?

asked Jan 29 in Analytical Chemistry

1 answer 58 views

Calculate the electronic and optical properties such as bandgap energy, Exciton binding energy, and absorption coefficient of a CdSe quantum dot having a diameter of 3.5 nm using Density Functional Theory.

answered Jan 23 in Quantum Chemistry

1 answer 65 views

Calculate the bond order and bond length of the CO molecule using molecular orbital theory.

asked Jan 23 in Inorganic Chemistry

1 answer 63 views

Calculate the amount of heat energy required to melt 25 grams of ice at 0°C, given that the enthalpy of fusion of ice is 6.01 kJ/mol.

asked Jan 23 in ThermoChemistry

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