Recent activity by DillonLeight

1 answer 23 views

How does the reaction rate affect the safety of a chemical reaction, and what steps can be taken to ensure safe handling of the chemicals involved in the reaction?

answered Feb 24 in Chemical kinetics

1 answer 31 views

How does the presence of impurities affect the adsorption properties of a metal surface in a catalytic reaction?

answered Feb 22 in Physical Chemistry

1 answer 33 views

How does the photochemical behavior of different photovoltaic materials affect their efficiency in converting light into electrical energy?

asked Feb 22 in PhotoChemistry

1 answer 46 views

How does the pH level of landfill leachate affect the quality of groundwater in neighboring areas and what mechanisms are involved in the process?

answered Feb 22 in Environmental Chemistry

1 answer 36 views

What is the mechanism behind the photochemical properties of photovoltaic materials and how does it affect their efficiency in converting light into electricity?

asked Feb 20 in PhotoChemistry

1 answer 29 views

What is the effect of temperature on the rate of the reaction between magnesium and hydrochloric acid?

answered Feb 20 in Chemical kinetics

1 answer 53 views

How does the concentration and type of pesticide residue found in commonly consumed fruits and vegetables vary across different regions of the world, and how does this impact human health in those areas?

asked Feb 18 in Environmental Chemistry

1 answer 42 views

How does the absorption spectrum of a lanthanide complex change in response to exposure to different wavelengths of light, and what factors influence the efficiency of its photochemistry?

asked Feb 17 in PhotoChemistry

1 answer 36 views

How does substrate concentration affect the rate of enzyme-catalyzed reactions? Provide a detailed explanation supported with experimental evidence.

asked Feb 14 in BioChemistry

1 answer 39 views

What are the different modes of action of various organic ultraviolet (UV) filters used in sunscreen lotions and how do they protect the skin from harmful UV radiation?

asked Feb 14 in PhotoChemistry

1 answer 34 views

How does Nitrogen and Phosphorus pollution affect the concentration of dissolved oxygen in water and what chemical processes contribute to this effect?

asked Feb 13 in Environmental Chemistry

1 answer 65 views

How does the energy transfer process occur between molecules in a gas-phase reaction and what factors affect the rate of this transfer as studied by molecular dynamics simulations in quantum chemistry?

asked Feb 13 in Quantum Chemistry

1 answer 68 views

How can we improve the absorption capacity of superabsorbent polymers while maintaining their mechanical strength?

asked Feb 13 in Polymer Chemistry

1 answer 80 views

How many kJ of heat are released when 2.5 g of octane undergo complete combustion according to the reaction:$$C_8H_{18} + 12.5 O_2 \rightarrow 8 CO_2 + 9 H_2O$$Given: Enthalpy of combustion of octane = -5,470 kJ/mol.

asked Feb 13 in ThermoChemistry

1 answer 35 views

How can we design drugs that selectively target cancer cells without harming healthy cells? What chemical properties and molecular structures should be considered in the design of such drugs?

asked Feb 12 in Medicinal Chemistry

1 answer 60 views

How can the synthesis and characterization of new materials be optimized to increase the efficiency of solar cells?

asked Feb 11 in Materials Chemistry

1 answer 91 views

How can the production process of a specific food additive be optimized in terms of yield and purity, while minimizing environmental impact and production costs using chemical engineering principles?

asked Feb 10 in Chemical engineering

1 answer 46 views

How can the conductivity of polymer electrolytes for batteries be improved by modifying the chemical structure of the polymer?

asked Feb 6 in Polymer Chemistry

1 answer 81 views

Here's a precise problem for the student to solve: Calculate the standard enthalpy change for the neutralization of 50 mL of 0.10 M hydrochloric acid (HCl) with 50 mL of 0.10 M sodium hydroxide (NaOH) at 25°C, given that the specific heat capacity of the solution is 4.18 J/(g °C) and the density of the solution is 1.00 g/mL.

asked Feb 4 in Chemical thermodynamics

1 answer 82 views

Calculate the standard heat of mixing when 50 mL of 1 M HCl is mixed with 100 mL of 1 M NaOH at 25°C. The standard heat of neutralization of 1 M HCl and 1 M NaOH is -57.32 kJ/mol.

answered Feb 3 in ThermoChemistry

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