Recent activity by JordanHering

1 answer 29 views

What is the effect of concentration on the reaction rate of the reaction between hydrochloric acid and magnesium? How does changing the concentration of hydrochloric acid affect the reaction efficiency and the production of hydrogen gas?

answered Feb 22 in Chemical kinetics

1 answer 38 views

How does the variation in light intensity affect the rate of a photochemical reaction involving the degradation of a particular organic compound?

asked Feb 22 in PhotoChemistry

1 answer 30 views

How does changing the concentration of reactants affect the rate of the chemical reaction between potassium permanganate and oxalic acid?

asked Feb 22 in Chemical kinetics

1 answer 24 views

How does the polarity of the solvent affect the rate of the photochemical reaction of a given compound when exposed to light?

answered Feb 22 in PhotoChemistry

1 answer 27 views

What is the most efficient and cost-effective method for producing a nitrogen-based fertilizer using the Haber-Bosch process and how can it be optimized to reduce the energy consumption of the process?

answered Feb 21 in Chemical engineering

1 answer 27 views

What is the reaction mechanism and intermediates involved in the electrophilic addition of hydrogen bromide to 1,3-butadiene?

asked Feb 20 in Organic Chemistry

1 answer 32 views

How does the concept of bonding and molecular structure explain the difference in reactivity between ethanol and propanol? Use quantum mechanics principles to support your explanation.

asked Feb 19 in Physical Chemistry

1 answer 25 views

What is the coordination number of the metal ion in the active site of the metalloenzyme carbonic anhydrase? And how does the coordination number affect the catalytic activity of the enzyme?

asked Feb 19 in Coordination Chemistry

1 answer 33 views

How does the addition of a certain amino acid residue affect the folding kinetics and stability of a particular protein, as determined by molecular dynamics simulations?

asked Feb 17 in Computational Chemistry

1 answer 59 views

What is the hybridization of the central atom in the molecule PF5?

answered Feb 13 in Inorganic Chemistry

1 answer 30 views

What specific amino acid residues in a DNA-binding protein interact with specific nucleotide bases in double-stranded DNA, and what types of interactions (e.g. hydrophobic, electrostatic) are involved in regulating transcriptional activity?

answered Feb 13 in BioChemistry

1 answer 71 views

One possible problem is:What are the common regulatory enzymes in glycolysis and gluconeogenesis pathways, and how do they regulate the reciprocal flux between these two pathways? Use chemical structures and equations to illustrate your answer.

asked Feb 13 in BioChemistry

1 answer 66 views

What is the role of glutamine synthetase in the assimilation of nitrogen in plants and bacteria?

answered Feb 13 in BioChemistry

1 answer 55 views

What are the hybrid orbital types present in the molecule of ethene (C2H4)? Show your work and provide a brief explanation for each hybrid orbital.

asked Feb 13 in Chemical bonding

1 answer 71 views

Given the following equations and their respective enthalpy changes:1) 2H2 (g) + O2 (g) → 2H2O (l) ΔH = -484 kJ/mol 2) C2H5OH (l) + 3O2 (g) → 2CO2 (g) + 3H2O (l) ΔH = -1,367 kJ/mol 3) C2H5OH (l) → C2H4 (g) + H2O (g) ΔH = +44 kJ/mol Using Hess’s Law, determine the ΔH for the following reaction: C2H5OH (l) → 2CO2 (g) + 3H2 (g)

asked Feb 4 in Chemical reactions

1 answer 69 views

Determine the standard enthalpy of formation of ethanol (C2H5OH) given the following information: 1. The combustion of 1 mole of ethanol yields 1367 kJ of heat.2. The standard enthalpy of formation for CO2(g) and H2O(l) are -393.5 kJ/mol and -285.8 kJ/mol, respectively.

asked Feb 4 in Chemical thermodynamics

1 answer 72 views

Calculate the standard enthalpy change (∆H°) for the reaction: 2HCl(aq) + Na2CO3(aq) → CO2(g) + H2O(l) + 2NaCl(aq) given that the standard enthalpy of formation (∆H°f) for NaCl(aq), H2O(l) and CO2(g) are -407.3 kJ/mol, -285.8 kJ/mol and -393.5 kJ/mol respectively.

answered Feb 3 in Chemical thermodynamics

1 answer 100 views

How effective are current environmental regulations in reducing the amount of toxic pollutants released into the environment by industrial processes?

asked Jan 31 in Environmental Chemistry

1 answer 87 views

What is the boiling point of a substance with London dispersion forces and hydrogen bonding compared to a substance with only London dispersion forces, given that both substances have a similar molar mass and molecular size?

answered Jan 30 in Chemical bonding

1 answer 95 views

What is the concentration of iron (II) sulfate in a given solution using spectrophotometry with a known absorbance value at a wavelength of 400 nm?

answered Jan 30 in Analytical Chemistry

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