Recent activity by CarltonWoote

1 answer 29 views

What is the effect of temperature on the reaction rate and yield of the reaction between sodium thiosulfate and hydrochloric acid?

asked Feb 22 in Chemical kinetics

1 answer 30 views

How does the presence of heavy metals in the effluent of a particular industrial project affect the surrounding environment and what steps can be taken to mitigate its impact on the ecosystem?

answered Feb 22 in Environmental Chemistry

1 answer 39 views

How does the change in reaction rate affect the value of equilibrium constant for the reaction between hydrogen gas and iodine vapor?

asked Feb 20 in Chemical kinetics

1 answer 32 views

How does the electrophilic addition of HBr to propene occur in the presence of a peroxide catalyst and what is the mechanism behind it?

asked Feb 20 in Organic Chemistry

1 answer 43 views

How do the chemical properties and structures of different polymer-based packaging materials affect their degradation and environmental impact, and how can we design more sustainable packaging materials using polymer chemistry principles?

answered Feb 18 in Polymer Chemistry

1 answer 34 views

How does the addition of UV stabilizers affect the degradation of polypropylene in outdoor applications?

answered Feb 17 in Polymer Chemistry

1 answer 35 views

What are the photochemical properties of quantum dots and how do they play a role in their potential applications in optoelectronic devices?

answered Feb 14 in PhotoChemistry

1 answer 90 views

How do fluctuations in temperature affect the release of volatile organic compounds (VOCs) from common household products and what is the impact of such emissions on air quality?

answered Feb 13 in Environmental Chemistry

1 answer 66 views

How can the synthesis of polyvinyl chloride from vinyl chloride monomer be optimized for maximum yield and minimal impurities? What factors can affect the reaction and how can they be controlled to achieve desired properties in the final product?

asked Feb 11 in Chemical synthesis

1 answer 41 views

How can medicinal chemists modify existing antibiotics to create new compounds that are effective against drug-resistant bacteria strains, specifically targeting the mechanisms that these bacteria use to resist traditional antibiotics?

asked Feb 5 in Medicinal Chemistry

1 answer 141 views

Here's a precise problem for a chemistry student to solve, based on Thermochemistry and the Enthalpy of Desorption Calculations:Given the following data for the adsorption of hydrogen gas on a metal surface:- Initial pressure of hydrogen gas = 1 atm- Final pressure of hydrogen gas after adsorption = 0.2 atm- Temperature = 298 K- Surface area of the metal = 5 cm^2- Enthalpy of Desorption of hydrogen gas on the metal surface = -40 kJ/molCalculate the enthalpy change (in kJ) for the adsorption of hydrogen gas on the metal surface.

answered Feb 4 in ThermoChemistry

1 answer 76 views

Given the following data for the electrochemical reaction A + B → C, where A and B are electrons:- The anodic Tafel slope is 50 mV per decade of current density.- The cathodic Tafel slope is 70 mV per decade of current density.Calculate the exchange current density (i0) for the reaction.

asked Feb 4 in ElectroChemistry

1 answer 90 views

What is the percentage composition of a mixture of benzene and toluene using gas chromatography?

asked Jan 31 in Analytical Chemistry

1 answer 53 views

How can the amount of chloride ions in a water sample be determined using potentiometry?

answered Jan 29 in Analytical Chemistry

1 answer 73 views

Calculate the lattice energy of CaO given the following information: the distance between the Ca2+ and O2- ions is 2.32 Å, the charge on the ions is +2 and -2 respectively, and the Madelung constant for CaO is 1.74.

asked Jan 23 in Inorganic Chemistry

1 answer 75 views

Calculate the Gibbs free energy change for the reaction: 2H2(g) + O2(g) → 2H2O(g) at standard conditions (298 K and 1 atm pressure) given the following data:ΔH˚f[H2O(g)] = -241.8 kJ/molΔH˚f[H2(g)] = 0 kJ/molΔH˚f[O2(g)] = 0 kJ/molΔS˚[H2(g)] = 130.7 J/K·molΔS˚[O2(g)] = 205.0 J/K·molΔS˚[H2O(g)] = 188.8 J/K·mol

asked Jan 23 in Chemical thermodynamics

1 answer 81 views

Calculate the boiling point of potassium chloride (KCl) using the Clausius-Clapeyron equation, given that its enthalpy of vaporization is 40.0 kJ/mol and its standard boiling point is 1500 K. What would be the expected boiling point of KCl at an atmospheric pressure of 1.0 atm (760 mmHg)?

answered Jan 23 in Inorganic Chemistry

1 answer 63 views

What is the preoperational stage of cognitive development?

answered Jan 20 in Psychology

1 answer 90 views

When might individuals experience a dissociative state after a traumatic event?

answered Jan 17 in Psychology

1 answer 100 views

According to behaviourism, how can behaviour be modified?

answered Jan 17 in Psychology

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