Recent activity by AaronSoul138

1 answer 45 views

Calculate the enthalpy change for the polymerization of propylene to polypropylene, given the enthalpy of formation of propylene is -103.8 kJ/mol and the enthalpy of formation of polypropylene is -45.4 kJ/mol. Assume the reaction occurs at constant pressure and temperature.

asked Jan 23 in ThermoChemistry

1 answer 68 views

A chemistry student needs to prepare a buffer solution with a pH of 7.2 using acetic acid (CH3COOH) and sodium acetate (CH3COONa). The student has 100 mL of 0.1 M acetic acid and 100 mL of 0.1 M sodium acetate. What volume of each solution do they need to mix to prepare the desired buffer solution with a total volume of 500 mL?

answered Jan 22 in Chemical reactions

1 answer 41 views

Who is responsible for the development of factor analysis?

asked Jan 17 in Psychology

1 answer 6 views

What are some criticisms of discursive psychology?

answered Jan 17 in Psychology

1 answer 23 views

Who developed the cognitive perspective?

asked Jan 16 in Psychology

1 answer 19 views

What did Schneidman's theory of suicide posit?

asked Jan 16 in Psychology

1 answer 18 views

Why is the strain theory criticised?

answered Jan 16 in Psychology

1 answer 8 views

What is the difference between the encoding, storage, and retrieval stages of memory?

asked Jan 15 in Psychology

1 answer 46 views

Where do radio waves lie on the electromagnetic spectrum?

asked Jan 8 in Science

1 answer 19 views

When wood is burned what kind of energy allows the wood to burn?

answered Jan 8 in Science

1 answer 6 views

What organism captures light energy and converts it to chemical energy inside its cell?

answered Jan 7 in Science

1 answer 21 views

What kind of diet is typical for raptors, such as hawks and owls?

asked Jan 7 in Science

1 answer 11 views

Some mutations lead to new versions of proteins that help organisms adapt to changes in their environment and are essential for evolution to occur. what are these mutations known as?

asked Dec 31, 2024 in Science

1 answer 26 views

Plant cells have structures that animal cells?

answered Dec 31, 2024 in Science

1 answer 201 views

Asthma affects what tiny branches into which the bronchi are divided?

asked Dec 30, 2024 in Science

1 answer 7 views

A biofilm is a colony of prokaryotes that is stuck to what?

answered Dec 30, 2024 in Science

...