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1 answer 84 views

What is the relationship between reactant concentration and reaction rate in the reaction between magnesium and hydrochloric acid, and how does this affect the efficiency of the reaction?

answered Feb 24 in Chemical kinetics

1 answer 82 views

How does the rate of photochemical reactions vary with the polarity of solvents in which the reaction is taking place?

answered Feb 22 in PhotoChemistry

1 answer 82 views

What is the predicted molecular geometry of the molecule SO2 using VSEPR theory?

asked Feb 22 in Chemical bonding

1 answer 82 views

How does the body synthesize non-essential amino acids and what enzymes are involved in the process?

asked Feb 20 in BioChemistry

1 answer 85 views

How does the electrokinetic potential affect the stability of colloidal systems in terms of zeta potential?

asked Feb 20 in Surface Chemistry

1 answer 85 views

What is the effect of temperature on the orientation of liquid crystal molecules, and how does this affect the properties such as optical, electrical, and magnetic responses?

asked Feb 20 in Physical Chemistry

1 answer 86 views

What is the effect of changing the concentration of reactants on the rate of a chemical reaction? Specifically, how does doubling the concentration of one of the reactants affect the reaction rate?

asked Feb 19 in Chemical kinetics

1 answer 80 views

What is the critical micelle concentration (CMC) of Sodium Dodecyl Sulfate (SDS) in water, and what factors affect its value?

answered Feb 19 in Surface Chemistry

1 answer 76 views

How does the coordination chemistry of metalloenzymes and metalloproteins affect their catalytic activity? Provide specific examples of metalloenzymes and metalloproteins and describe the role of the metal ion in their catalytic activity.

answered Feb 19 in Coordination Chemistry

1 answer 76 views

How does the concentration of heavy metals in water affect the survival and reproductive success of aquatic organisms?

asked Feb 19 in Environmental Chemistry

1 answer 90 views

How does the bond order of a molecule relate to its stability based on the electronic structure calculations of molecular orbitals?

asked Feb 18 in Quantum Chemistry

1 answer 70 views

What is the enthalpy change for the reaction between 2 moles of hydrogen gas and 1 mole of oxygen gas to produce water, given that the enthalpy change for the reaction is -483.6 kJ/mol?

answered Feb 17 in Chemical reactions

1 answer 93 views

How does the addition of a photosensitizer affect the rate of a photochemical reaction in a solution containing a photolabile compound?

answered Feb 17 in Physical Chemistry

1 answer 71 views

What is the effect of different nanoparticle shapes on the enhancement of Raman signals in SERS?

asked Feb 17 in Surface Chemistry

1 answer 107 views

What will be the expected outcome of a single replacement reaction between iron (Fe) and copper chloride (CuCl2)?

asked Feb 13 in Chemical reactions

1 answer 81 views

What coordination chemistry principles are involved in the chelation therapy approach to remove heavy metals from the body? And how do these principles contribute to the effectiveness of chelating agents in this process?

asked Feb 12 in Coordination Chemistry

1 answer 84 views

How can the photochemical properties of dyes and pigments, such as absorption and emission spectra, be affected by the type and structure of the dye or pigment?

answered Feb 10 in PhotoChemistry

1 answer 84 views

How can the formulation of new chemical compounds be optimized to improve the delivery and effectiveness of topical treatments for skin diseases?

answered Feb 7 in Medicinal Chemistry

1 answer 126 views

Calculate the standard enthalpy change for the neutralization reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH), given that the reaction produces water and sodium chloride as products. The molar enthalpy of formation for water is -285.8 kJ/mol and for NaCl is -411.2 kJ/mol. The balanced chemical equation for the reaction is: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)

asked Feb 3 in Chemical thermodynamics

1 answer 122 views

How does changing the ratio of reactants in a chemical reaction affect the rate of the reaction? Specifically, what is the effect on reaction rate when the stoichiometric ratios of reactants are altered in the reaction between A and B to form product C?

answered Feb 3 in Chemical kinetics

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