Recent activity by LizaSwenson

1 answer 23 views

What are the resonance structures of the nitrate ion and how do they contribute to its stability?

asked Feb 21 in Chemical bonding

1 answer 43 views

What is the purity of a sample of acetanilide if its melting point range is observed to be 114.5-116°C and the literature value for pure acetanilide is 114-115°C?

answered Feb 20 in Analytical Chemistry

1 answer 25 views

What is the mechanism of color change in a photochromic material exposed to UV light and how can this property be utilized in practical applications such as sunglasses or transition lenses?

answered Feb 20 in PhotoChemistry

1 answer 21 views

What is the effect of changing temperature and pressure on the equilibrium constant and reaction rate of the iodine clock reaction between potassium persulfate and potassium iodide?

answered Feb 20 in Chemical kinetics

1 answer 34 views

How effective are the environmental regulations in protecting endangered species from chemical pollutants in their habitat?

asked Feb 20 in Environmental Chemistry

1 answer 28 views

What is the effect of different catalysts on the reaction rate of the decomposition of hydrogen peroxide?

answered Feb 19 in Chemical kinetics

1 answer 30 views

What would be the effect on the formation of a complex ion if the pH is changed from 7 to 10? Provide a rationale for your answer based on the principles of chemical equilibrium and the properties of the specific complex ion under consideration.

asked Feb 19 in Chemical equilibrium

1 answer 29 views

How does the cooling rate affect the crystal structure and morphology of polyethylene during polymer crystallization?

answered Feb 19 in Polymer Chemistry

1 answer 33 views

How does the concentration of emulsifiers affect the stability of oil-in-water emulsions?

answered Feb 19 in Surface Chemistry

1 answer 29 views

What is the bond dissociation energy of the carbon-hydrogen bond in methane (CH4), given that the bond enthalpy of the C-H bond is 413 kJ/mol?

answered Feb 18 in Chemical bonding

1 answer 36 views

How does the addition of a strong acid or base affect the ionization of a weak acid or base and what is the resulting change in equilibrium concentration of ions in a solution? Provide an example with relevant calculations.

asked Feb 17 in Chemical equilibrium

1 answer 40 views

How does the activation energy barrier and the electronic structure of reactants affect the prediction of reaction rates and mechanisms in the gas phase for a specific chemical reaction using quantum chemistry calculations?

answered Feb 17 in Quantum Chemistry

1 answer 70 views

How does the glycolysis pathway regulation occur in cancer cells during aerobic and anaerobic conditions, and what are the potential therapeutic targets to disrupt this process?

asked Feb 13 in BioChemistry

1 answer 61 views

How do the electrostatic interactions between charged molecules affect the formation of supramolecular complexes in solution, and how can computational studies be used to explore the thermodynamics and kinetics of these processes?

asked Feb 13 in Computational Chemistry

1 answer 103 views

Calculate the standard enthalpy of formation of Carbon dioxide (CO2), given the enthalpies of formation of Carbon monoxide (CO) and Oxygen gas (O2) as -110.5 kJ/mol and 0 kJ/mol, respectively.

answered Feb 3 in ThermoChemistry

1 answer 66 views

Calculate the reaction quotient (Qc) for the following reaction at 25°C, given the concentration of reactants and products:2NO2(g) + F2(g) ⇌ 2NO2F(g)[NO2] = 0.30 M, [F2] = 0.40 M, [NO2F] = 0.60 M.Is the reaction at equilibrium? If not, in which direction will the reaction proceed to achieve equilibrium?

asked Feb 3 in Chemical thermodynamics

1 answer 97 views

How does the alteration in lipid metabolism cause metabolic disorders such as diabetes and obesity? Examine the role of lipid signaling and metabolism in regulating the production and metabolism of lipids and their impact on cellular function and disease development.

answered Jan 31 in BioChemistry

1 answer 112 views

How do acidic drugs interact with basic drugs and how can this interaction affect their therapeutic benefits and toxicities?

asked Jan 30 in Medicinal Chemistry

1 answer 86 views

What is the systematic name of the following compound? CH3CH2CH2OH

answered Jan 21 in Organic Chemistry

1 answer 68 views

When was the Milgram obedience study carried out?

asked Jan 20 in Psychology

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