Recent activity by FrankieJay1

1 answer 37 views

How does the rate of a photochemical reaction change with the increase in temperature and what factors contribute to this change?

answered Feb 22 in PhotoChemistry

1 answer 36 views

What is the molar mass of magnesium sulfate (MgSO4)?

asked Feb 21 in Inorganic Chemistry

1 answer 39 views

How has the historical evolution of chemistry led to the current state of chemical education, and what can be done to better integrate this vital aspect of the field into modern teaching practices?

asked Feb 20 in Chemical education

1 answer 31 views

What is the effect of varying the printing temperature on the mechanical properties of a 3D printed polymer, and how can these properties be optimized for a specific application such as prosthetic devices or industrial tooling?

answered Feb 20 in Materials Chemistry

1 answer 46 views

How does the adsorption of water molecules on the surface of a metal oxide material vary with changes in its surface morphology and functional groups, as predicted by density functional theory calculations?

answered Feb 17 in Computational Chemistry

1 answer 28 views

How does the absorption spectra of naphthalene change upon rotation around the C-C bond in its excited state, and what insights can it provide into the electronic properties of the molecule?

answered Feb 17 in Computational Chemistry

1 answer 35 views

How can the utilization of renewable energy sources like solar, wind, and hydro power be optimized to reduce their impact on the environment and make them more economically viable in comparison to non-renewable energy sources such as coal, oil and gas?

asked Feb 14 in Environmental Chemistry

1 answer 53 views

How do the enzymes in the process of glycolysis regulate glucose metabolism, and how do changes in the levels and activity of these enzymes affect the production of ATP and synthesis of glucose in gluconeogenesis?

answered Feb 13 in BioChemistry

1 answer 66 views

How can the sensitivity of SERS be enhanced for the detection of trace amounts of chemical compounds on surfaces?

asked Feb 10 in Surface Chemistry

1 answer 35 views

How can the efficiency of polymer electrolyte-based batteries be improved?

asked Feb 7 in Polymer Chemistry

1 answer 44 views

How can the chemical composition and molecular structure of liquid crystals be manipulated to improve their optical and electro-optical properties for use in display technology?

asked Feb 6 in Materials Chemistry

1 answer 46 views

How can the addition of different types and amounts of salt affect the conductivity of polymer electrolytes used in batteries?

asked Feb 6 in Polymer Chemistry

1 answer 35 views

How can density functional theory calculations optimize the efficiency of catalytic reactions in the production of ammonia?

answered Feb 6 in Computational Chemistry

1 answer 88 views

What is the rate constant for the hydrogen abstraction reaction between ethane and the hydroxyl radical (OH) in the gas phase at room temperature (298K)? Use quantum chemical calculations to determine the activation energy and frequency factor for this reaction.

asked Jan 31 in Computational Chemistry

1 answer 82 views

What are the electronic transport properties of a particular organic compound in its ground state as predicted by Density Functional Theory calculations? How do these properties vary with different temperatures and electric field strengths?

asked Jan 31 in Computational Chemistry

1 answer 115 views

How does the concentration and pH level of acid rain affect the growth and survival of aquatic plants?

answered Jan 30 in Environmental Chemistry

1 answer 111 views

What are some effective strategies for understanding complex chemical concepts, and how can they be applied to improve your performance in chemistry class?

asked Jan 30 in Chemical education

1 answer 19 views

How can the identification of functional groups in a given compound be achieved using infrared spectroscopy? Please explain the principle of IR spectroscopy and provide a step-by-step procedure for interpreting an IR spectrum to identify the functional groups present in the compound. Use an example compound to demonstrate the process.

asked Jan 29 in Analytical Chemistry

1 answer 72 views

Calculate the heat of formation of carbon dioxide (CO2) using the following information: The heat of formation of carbon monoxide (CO) is -110.5 kJ/mol and the heat of formation of water (H2O) is -285.8 kJ/mol.

answered Jan 23 in Chemical bonding

1 answer 64 views

A chemical mixture containing 30% ethanol and 70% water needs to be separated using a distillation column. The feed rate is 1000 kg/hr and the desired purity for both products is 99%. The distillation column has 20 theoretical trays, and the reflux ratio is 2.5. Determine the number of trays required to achieve the desired purity for both products.

answered Jan 22 in Chemical engineering

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