Recent activity by HolliePutman

1 answer 38 views

What are the products formed in the reaction between sulfuric acid and potassium hydroxide? Write the balanced chemical equation for the reaction and predict whether it is an exothermic or endothermic process.

asked Feb 22 in Inorganic Chemistry

1 answer 34 views

What is the effect of adding more ammonia gas to an equilibrium mixture of nitrogen gas and hydrogen gas at a certain temperature and pressure? How will this affect the equilibrium position and the concentrations of all the gases present in the mixture?

answered Feb 22 in Chemical equilibrium

1 answer 30 views

How does the presence of a catalyst affect the reaction rate of a chemical reaction between hydrogen peroxide and potassium iodide? And how does the rate of the reaction change when different amounts of catalyst are used?

answered Feb 22 in Chemical kinetics

1 answer 23 views

How does the prediction of chemical reactivity and selectivity differ in traditional computational chemistry methods versus quantum chemistry methods?

answered Feb 22 in Quantum Chemistry

1 answer 24 views

What is the effect of varying the concentration of reactants on the reaction rate and reaction yield of the iodination of acetone?

answered Feb 20 in Chemical kinetics

1 answer 32 views

What is the expected color of a transition metal complex with the coordination compound [Fe(H2O)6]Cl3? Use crystal field theory principles to justify your answer.

asked Feb 20 in Inorganic Chemistry

1 answer 28 views

How does the excess of nitrogen and phosphorus in water bodies promote the growth of harmful algal blooms, and what are the chemical mechanisms behind this phenomenon?

asked Feb 20 in Environmental Chemistry

1 answer 41 views

How does the chiral center in a molecule affect its photochemical properties, and how can these properties be exploited for enantioselective photochemical reactions?

asked Feb 18 in PhotoChemistry

1 answer 30 views

How does the process of RNA transcription and translation contribute to the synthesis of proteins in living organisms, and what are the specific chemical reactions involved in this process?

answered Feb 14 in BioChemistry

1 answer 32 views

How does the process of RNA transcription and translation differ in prokaryotic and eukaryotic cells?

answered Feb 14 in BioChemistry

1 answer 63 views

How does insulin influence the synthesis and breakdown of glycogen in the liver, and what regulatory enzymes are involved in this process?

answered Feb 13 in BioChemistry

1 answer 69 views

How does the deficiency of the enzyme cystathionine beta-synthase (CBS) affect the metabolism of methionine and homocysteine in the body? And how can this condition lead to inherited diseases like homocystinuria in humans?

asked Feb 12 in BioChemistry

1 answer 54 views

How can the coordination chemistry of metallophthalocyanines affect their ability to act as efficient catalysts for reactions such as oxidation of organic compounds or reduction of water to produce hydrogen gas?

answered Feb 6 in Coordination Chemistry

1 answer 38 views

How can chemistry students increase their exposure to current research in the field, and what are the benefits that such exposure can bring to their education and future careers?

answered Feb 5 in Chemical education

1 answer 83 views

Calculate the standard enthalpy change of formation for ethanoic acid, given the following standard enthalpy of combustion data:- Ethanol: -1367 kJ/mol- Carbon dioxide: -393.5 kJ/mol- Water: -285.8 kJ/molThe chemical equation for the formation of ethanoic acid is:2C2H5OH + 2O2 → 2CH3COOH + 2H2O

answered Feb 3 in Chemical thermodynamics

1 answer 66 views

Calculate the standard enthalpy change for the dissolution reaction of 10.0 g of NaOH(s) in 100.0 g of water at 25°C, given that the heat absorbed by the solution is 9.14 kJ. (Molar mass of NaOH = 40.00 g/mol and specific heat capacity of water = 4.18 J/g·°C)

answered Feb 3 in Chemical thermodynamics

1 answer 64 views

Calculate the pH of a 0.1 M solution of acetic acid with a dissociation constant (Ka) of 1.8 x 10^-5.

answered Feb 3 in Chemical reactions

1 answer 90 views

How do the photochemical properties of bioluminescent organisms vary among different species, and what chemical reactions are responsible for the production of light in these organisms?

asked Jan 31 in PhotoChemistry

1 answer 86 views

What is the concentration and identity of proteins present in the given sample using electrophoresis analysis?

answered Jan 30 in Analytical Chemistry

1 answer 131 views

A chemistry student needs to calculate the heat of sublimation for iodine given that its enthalpy of fusion is 15.52 kJ/mol and its enthalpy of vaporization is 41.57 kJ/mol. The molar mass of iodine is 126.90 g/mol. What is the heat of sublimation for iodine in kJ/mol?

answered Jan 22 in ThermoChemistry

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