Recent activity by EmilyForro67

1 answer 23 views

What is the most efficient and cost-effective method for synthesizing single-walled carbon nanotubes with controlled diameters and chirality?

answered 4 days ago in Materials Chemistry

1 answer 26 views

What is the most effective remediation technology to remove heavy metal contaminants (e.g. lead, chromium or arsenic) from soil and groundwater in a contaminated site, and how can this method be optimized for maximum efficiency and sustainability?

asked 4 days ago in Environmental Chemistry

1 answer 20 views

What is the heat of sublimation of iodine, given that the molar heat of fusion is 15.52 kJ/mol and the molar heat of vaporization is 41.39 kJ/mol?

answered 5 days ago in ThermoChemistry

1 answer 28 views

What is the effect of different metal ions on the photochemical properties of coordination compounds?

asked 6 days ago in PhotoChemistry

1 answer 23 views

How does the degree of entanglement of electrons in a specific molecular system affect its chemical reactivity and overall stability?

asked 6 days ago in Quantum Chemistry

1 answer 35 views

What is the effectiveness of the Clean Air Act in reducing air pollution in the United States?

asked Feb 18 in Environmental Chemistry

1 answer 38 views

How can we effectively use phytoremediation to clean up a site contaminated with heavy metals such as lead and arsenic?

asked Feb 14 in Environmental Chemistry

1 answer 7 views

What are the key structural features and functional groups required in designing drugs to effectively target and treat neurological disorders such as Alzheimer's and Parkinson's?

answered Feb 12 in Medicinal Chemistry

1 answer 33 views

How to design an efficient system for the production of lubricants by selecting the appropriate raw materials and process conditions for the desired lubricant properties?

answered Feb 12 in Chemical engineering

1 answer 9 views

How can we design a drug that targets only a specific type of cancer cell, without affecting the healthy cells in the body?

answered Feb 12 in Medicinal Chemistry

1 answer 45 views

How do the coordination chemistry principles of chelation therapy affect the ability of the chelating agent to selectively bind with a target metal ion in the body and remove it effectively?

answered Feb 12 in Coordination Chemistry

1 answer 30 views

How can the critical temperature of a superconducting material be optimized to increase its electrical conductivity and practical applications?

answered Feb 6 in Materials Chemistry

1 answer 31 views

How can chemistry teachers emphasize practical applications of chemistry in the classroom to help students better understand the relevance of the subject in real-world scenarios? Provide specific examples of how practical applications can be incorporated into chemistry lessons.

asked Feb 5 in Chemical education

1 answer 48 views

Here's a problem for you to solve:What is the enthalpy change (∆H) for the combustion of methane (CH4) to form carbon dioxide (CO2) and water (H2O) based on the following information?CH4(g) + 2O2(g) -> CO2(g) + 2H2O(l) ∆H = -890.4 kJ/molYou have a sample of methane and you want to determine the heat released or absorbed during combustion. How much heat is produced when you burn 5.00 grams of methane (CH4) at a constant pressure of 1 atm, assuming that the products are carbon dioxide (CO2) and water (H2O) and that the heat capacity of the calorimeter is negligible?

answered Feb 4 in Physical Chemistry

1 answer 40 views

Here's a precise problem for a chemistry student to solve:A gas, initially at a pressure of 1 atm and a temperature of 20°C, is contained in a cylinder with a volume of 5 L. If the gas is allowed to expand to a volume of 10 L at a constant temperature of 20°C, what is the final pressure of the gas? Use the ideal gas law equation to solve the problem.

answered Feb 4 in Physical Chemistry

1 answer 58 views

Given the following equilibrium reaction: Fe3+(aq) + 4CN-(aq) <--> Fe(CN)64-(aq)If the equilibrium constant, Kc, is equal to 1.2 x 10^10 at 25°C, what will be the value of Kc at 50°C? And how will the equilibrium position shift when the temperature is changed from 25°C to 50°C?

asked Feb 4 in Chemical equilibrium

1 answer 40 views

Determine the equilibrium constant (Kc) for the chemical reaction: 2 SO2(g) + O2(g) ⇌ 2 SO3(g)Given that at a certain temperature, the concentrations of SO2, O2, and SO3 are 0.25 M, 0.15 M, and 0.40 M, respectively, at equilibrium.

asked Feb 4 in Chemical thermodynamics

1 answer 61 views

What is the dipole moment of carbon dioxide (CO2) and explain how you arrived at your answer?

asked Jan 31 in Chemical bonding

1 answer 76 views

What is the effect of a single nucleotide substitution on the structure and function of a specific region in a DNA sequence?

asked Jan 30 in BioChemistry

0 answers 67 views

What specific steps can be taken by universities and colleges to better prepare chemistry students for their future careers in the chemical industry, where practical skills are just as important as theoretical knowledge?

asked Jan 30 in Chemical education

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