Recent activity by CooperPallad

1 answer 75 views

What is the effect of changing the concentration of a reactant or a product on the reaction rate at equilibrium for the reaction between iodide ion and persulfate ion?

answered Feb 22 in Chemical kinetics

1 answer 97 views

How does the presence of a catalyst affect the equilibrium of a chemical reaction and the rate of reaction?

asked Feb 22 in Chemical kinetics

1 answer 80 views

How does the prediction of chemical reactivity and selectivity using quantum chemistry methods aid in the design of new drugs with specific target molecules?

asked Feb 22 in Quantum Chemistry

1 answer 68 views

What is the role of the metal ion in the active site of metalloenzymes involved in the oxidation of glucose? Provide a detailed explanation of the coordination chemistry of the metal ion and the amino acid residues that bind to it.

answered Feb 20 in Coordination Chemistry

1 answer 82 views

What is the bond angle and dipole moment of water molecule based on its molecular structure calculated using quantum mechanics principles?

asked Feb 17 in Physical Chemistry

1 answer 87 views

What is the role of metal ions in metalloenzymes and metalloproteins? How do these metal ions contribute to the catalytic activity of the enzyme or protein? Provide specific examples and mechanisms of these reactions.

asked Feb 13 in Coordination Chemistry

1 answer 149 views

How does increasing the pressure of a gas reactant affect the rate of a chemical reaction at a constant temperature and concentration of other reactants?

answered Feb 13 in Chemical kinetics

1 answer 129 views

What type of bond will form between carbon and chlorine in a molecule of carbon tetrachloride?

asked Feb 13 in Chemical bonding

1 answer 78 views

What is the difference between coordination polymers and metal-organic frameworks in terms of their structures, bonding, and applications in industries? Provide an example of each and discuss their potential use in catalysis or gas storage.

answered Feb 12 in Coordination Chemistry

1 answer 83 views

How can the molecular weight and molecular structure of a polymer be accurately characterized using gel permeation chromatography?

asked Feb 10 in Polymer Chemistry

1 answer 21 views

How can the electronic and optical properties of silver nanoparticles be calculated using quantum chemistry methods?

asked Feb 7 in Quantum Chemistry

1 answer 75 views

How can the chemical and physical properties of industrial wastes be analyzed to determine the most effective methods of disposal that minimize environmental impact?

asked Feb 6 in Environmental Chemistry

1 answer 94 views

How can limited access to laboratory equipment and chemicals be overcome to encourage more hands-on experimentation in chemistry education?

asked Feb 5 in Chemical education

1 answer 104 views

Calculate the standard enthalpy change for the vaporization of 1 mole of water at 100°C, given that the enthalpy of fusion of water is 6.01 kJ/mol and the enthalpy of vaporization of water is 40.7 kJ/mol.

answered Feb 3 in Chemical thermodynamics

1 answer 117 views

Calculate the number of electrons transferred when a solution containing 0.25 M Ni(NO3)2 is electrolyzed using a current of 0.50 A for 2.0 hours. The reaction taking place is Ni2+ (aq) + 2e- --> Ni (s).

asked Feb 3 in ElectroChemistry

1 answer 110 views

How can chemistry educators increase student interest in the subject, particularly among underrepresented groups of students?

asked Jan 30 in Chemical education

1 answer 156 views

Given the following compounds, identify whether they are ionic, covalent or metallic:1. NaCl2. H2O3. Cu4. Fe2O35. CO2

answered Jan 30 in Inorganic Chemistry

1 answer 91 views

Calculate the enthalpy change for the polymerization reaction of ethylene to form polyethylene using the bond dissociation energies listed below: C-H bond energy = 413 kJ/mol C=C bond energy = 602 kJ/mol Assume that the polymerization reaction proceeds via breaking of the C=C bond followed by formation of the C-C bond in polyethylene.

answered Jan 23 in ThermoChemistry

1 answer 94 views

Calculate the enthalpy change for the oxidation of methane gas (CH4) to carbon dioxide (CO2) and water (H2O) using the following balanced chemical equation:CH4 (g) + 2O2 (g) -> CO2 (g) + 2H2O (l)The standard enthalpy of formation of methane, carbon dioxide, and water are -74.81 kJ/mol, -393.5 kJ/mol, and -285.83 kJ/mol respectively.

asked Jan 23 in ThermoChemistry

1 answer 101 views

Calculate the enthalpy change for the dissolution of 10.0 grams of sodium chloride (NaCl) in 100 mL of water at 25°C. The density of water is 1.00 g/mL and the heat capacity of the solution is 4.18 J/g°C. The molar mass of NaCl is 58.44 g/mol and its enthalpy of dissolution is -3.9 kJ/mol.

answered Jan 23 in ThermoChemistry

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