Recent activity by EvieOconnor

1 answer 25 views

What is the effect of pressure on the reaction rate between nitrogen gas and hydrogen gas to produce ammonia gas at a constant temperature and with a fixed amount of catalyst? How does the reaction rate change as the pressure is varied?

answered 3 days ago in Chemical kinetics

1 answer 11 views

What is the equilibrium constant (Kc) for the reaction between iodine (I2) and iodide ion (I-) in a solution of potassium iodide (KI)?

answered 3 days ago in Chemical equilibrium

1 answer 21 views

What is the effect of increasing the concentration of product on the rate of the reaction between hydrochloric acid and magnesium?

asked 3 days ago in Chemical kinetics

1 answer 26 views

How does the presence of heavy metals in soil due to anthropogenic activities affect the growth and quality of crops, and what measures can be taken to mitigate their harmful effects on agriculture?

asked 3 days ago in Environmental Chemistry

1 answer 22 views

What is the photochemical behavior of [Fe(CN)6]4- complex in aqueous solution under visible light irradiation and what is the role of ligand substitution in enhancing photocatalytic activity?

asked 3 days ago in PhotoChemistry

1 answer 21 views

How does the coordination number of the central metal ion affect the electronic structure and spectroscopic properties of metalloporphyrins and metallophthalocyanines? Provide specific examples and experimental evidence to support your answer.

answered 6 days ago in Coordination Chemistry

1 answer 34 views

How does the choice of photosensitizer affect the efficiency of photochemical reactions in the degradation of organic pollutants in water treatment processes?

answered Feb 18 in PhotoChemistry

1 answer 27 views

What is the polarity of the bond between carbon and oxygen in carbon monoxide?

asked Feb 18 in Chemical bonding

1 answer 34 views

How does the organic functionalization of metal-organic frameworks affect their thermal, mechanical, and adsorption properties, and how can this information be used to design more efficient catalysts for various chemical reactions?

answered Feb 14 in Computational Chemistry

1 answer 28 views

How does the metabolism of methionine differ from that of other amino acids?

asked Feb 13 in BioChemistry

1 answer 34 views

What is the difference between IR spectroscopy and Raman spectroscopy in terms of the vibrational modes of a molecule? Provide specific examples of when one technique may be more suitable than the other.

answered Feb 13 in Physical Chemistry

1 answer 41 views

How does increasing pressure affect the rate of the reaction between hydrogen gas and iodine gas to form hydrogen iodide gas, and can this relationship be explained by applying the collision theory?

asked Feb 13 in Chemical kinetics

1 answer 45 views

How does inadequate training for chemistry teachers impact the learning outcomes of students in high school chemistry classes?

asked Feb 13 in Chemical education

1 answer 10 views

What is the structural difference between cis- and trans-isomers of butenedioic acid? Explain how this difference affects the physical and chemical properties of these isomers.

asked Feb 12 in Organic Chemistry

1 answer 27 views

How can the knowledge of the molecular structure and lifecycle of a specific virus be utilized to design drugs that selectively target and inhibit viral replication, while leaving healthy cells unharmed?

answered Feb 7 in Medicinal Chemistry

1 answer 30 views

How can chemistry teachers provide better support and accommodations for students with learning disabilities to promote their success and engagement in the subject?

answered Feb 5 in Chemical education

1 answer 48 views

Calculate the standard enthalpy of formation for hydrogen peroxide (H2O2) at 298 K, given that the standard enthalpy change of formation for water (H2O) is -285.8 kJ/mol and the standard enthalpy change of formation for oxygen gas (O2) is 0 kJ/mol.

asked Feb 3 in Chemical thermodynamics

1 answer 57 views

How does air pollution contribute to the development of respiratory diseases in humans? Specifically, what are the chemical mechanisms involved in the formation of pollutants and their effects on human lung tissue?

asked Jan 31 in Environmental Chemistry

1 answer 85 views

How can a student determine which areas of chemistry they need additional preparation in, in order to improve their performance on exams?

answered Jan 30 in Chemical education

1 answer 49 views

Calculate the amount of heat released when 25 g of NaCl is crystallized from a solution at its saturation point. The heat of crystallization of NaCl is -788 J/g.

asked Jan 23 in ThermoChemistry

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