Recent activity by StephanApoda

1 answer 27 views

How can the adhesive and sealing properties of a polymer-based adhesive be enhanced by incorporating different functional groups into the polymer backbone?

asked 4 days ago in Polymer Chemistry

1 answer 31 views

Calculate the standard enthalpy of hydrolysis for the following reaction: AlCl3 + 3H2O → Al(OH)3 + 3HCl Given that the standard enthalpies of formation for AlCl3(-696.5 kJ/mol), Al(OH)3(-1277.1 kJ/mol), and HCl(-92.3 kJ/mol) are known.

asked Feb 3 in ThermoChemistry

1 answer 51 views

What is the chemical structure of a compound that gives a specific peak at 7.2 ppm in a Carbon-13 Nuclear Magnetic Resonance (NMR) spectrum?

asked Jan 31 in Physical Chemistry

1 answer 51 views

What are the common misconceptions or difficulties that students face when trying to understand the placement of elements on the periodic table and how can these be overcome?

asked Jan 30 in Chemical education

1 answer 39 views

How does attention affect decision-making?

answered Jan 17 in Psychology

1 answer 37 views

What is executive function?

asked Jan 15 in Psychology

1 answer 19 views

What is the difference between overt and covert attention?

answered Jan 14 in Psychology

1 answer 22 views

Explain the illusion of transparency

asked Jan 13 in Psychology

1 answer 17 views

What's the name for an atom that has gained or lost an electron?

answered Jan 8 in Science

1 answer 11 views

What is the name for the disease in which cells divide out of control?

asked Jan 7 in Science

1 answer 20 views

What form do biofuels take that makes them very useful?

answered Jan 6 in Science

1 answer 28 views

Some meteorites are made of iron and nickel and are thought to be very similar to what part of the earth?

answered Dec 31, 2024 in Science

1 answer 27 views

Instead of a nervous system, plant responses are generally controlled by what type of molecules, which serves as chemical messengers?

answered Dec 31, 2024 in Science

1 answer 13 views

Embryos usually don't survive if they have extra or too few of these genetic units?

asked Dec 30, 2024 in Science

1 answer 35 views

What forms when atoms share or transfer valence electrons?

asked Dec 28, 2024 in Science

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