Recent activity by CheryleKirso

1 answer 29 views

How does the size and shape of a molecule affect its quantum transport behavior in nanoscale systems?

1 answer 30 views

How does the release of heavy metals such as mercury, lead, and cadmium from industrial effluents impact the environment and human health, and what are the best techniques to measure and monitor their concentrations in water, soil, and air samples?

answered Feb 24 in Environmental Chemistry

1 answer 24 views

How does the change in pH affect the reaction rate of the reaction between hydrochloric acid and magnesium ribbon?

asked Feb 22 in Chemical kinetics

1 answer 26 views

What is the molecular orbital diagram and electronic structure of the carbon dioxide (CO2) molecule? Furthermore, how does the bonding between carbon and oxygen atoms differ from the bonding between oxygen atoms in CO2?

asked Feb 21 in Quantum Chemistry

1 answer 28 views

How does the metabolism of drugs in the body affect their efficacy and toxicity in treating specific diseases?

answered Feb 20 in Medicinal Chemistry

1 answer 42 views

What spectroscopic techniques can be used to determine the geometry of a coordination compound? Provide specific examples and explain how they work.

asked Feb 14 in Coordination Chemistry

1 answer 31 views

What is the difference between primary, secondary, and tertiary amines in terms of their chemical properties? Provide an example of each and explain how their chemical properties are related to their respective structures.

answered Feb 14 in Organic Chemistry

1 answer 45 views

What is the role of metal ions in the catalytic activity of metalloenzymes and metalloproteins? Provide specific examples and discuss the effects of different metal ions on their catalytic activity.

answered Feb 13 in Coordination Chemistry

1 answer 34 views

How can we design a system for the safe storage and transportation of highly concentrated sulfuric acid, taking into consideration its tendency to corrode most materials and pose a significant risk to human and environmental health?

answered Feb 12 in Chemical engineering

1 answer 37 views

How can the efficiency of the system for the production of hydrogen fuel be optimized, while minimizing energy consumption and cost?

answered Feb 7 in Chemical engineering

1 answer 36 views

How can computational chemistry and molecular modeling be used to predict the chemical and physical properties of a new drug molecule before it's synthesized, allowing researchers to make informed decisions about its potential effectiveness and safety?

asked Feb 5 in Physical Chemistry

1 answer 62 views

Determine the standard enthalpy of formation for propane (C3H8) using the following values: - C(graphite) + O2(g) → CO2(g) ΔH° = -393.5 kJ/mol- 2H2(g) + O2(g) → 2H2O(l) ΔH° = -572.4 kJ/mol- C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l) ΔH° = -2220 kJ/mol

answered Feb 4 in Chemical thermodynamics

1 answer 33 views

Design a retrosynthesis for the synthesis of 2-phenylpropionic acid from benzene, ethylene, and CO₂.

asked Feb 4 in Organic Chemistry

1 answer 119 views

What is the concentration of chloride ions in a given salt solution using a Chloride ion-selective electrode with a potential reading of -0.35 V?

answered Jan 30 in Analytical Chemistry

1 answer 68 views

Calculate the heat of hydration of magnesium sulfate (MgSO4) given that 4.17 g of MgSO4 is dissolved in 50.0 ml of water at 25°C, and the resulting solution cools from 25°C to 20°C. The specific heat capacity of the solution is 4.18 J/(g·°C), and the density of the solution is 1.00 g/ml. Don't forget to include the units in your final answer.

asked Jan 23 in ThermoChemistry

1 answer 78 views

Calculate the activation energy for a chemical reaction that has a rate constant of 0.007 mol/L/s at 25°C and 0.059 mol/L/s at 35°C.

asked Jan 23 in Chemical reactions

1 answer 78 views

Balancing a chemical equation for the reaction between sodium hydroxide and hydrochloric acid to produce sodium chloride and water.

asked Jan 21 in Inorganic Chemistry

1 answer 119 views

What is the IUPAC name of the following organic compound?CH3CH2CH2COOH

answered Jan 21 in Organic Chemistry

1 answer 88 views

What is the difference between trauma-focussed and non-trauma-focussed therapy?

answered Jan 20 in Psychology

1 answer 39 views

Why is virtual reality exposure therapy used?

answered Jan 20 in Psychology

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