Recent activity by TrishaStanto

1 answer 21 views

How can chemistry students learn and understand experimental concepts effectively without access to laboratory equipment and facilities?

answered 22 hours ago in Chemical education

1 answer 22 views

Given a sample of mesoporous silica with a surface area of 500 m²/g, an amount of physisorbed nitrogen of 4.2 µmol/g, and assuming a monolayer coverage of 16.2 µmol/m², calculate the BET surface area of the silica.

asked 1 day ago in Surface Chemistry

1 answer 30 views

Design a polymerization reaction to produce a high-density polyethylene (HDPE) with a molecular weight of 1 million grams per mole using ethylene as the monomer and a Ziegler-Natta catalyst system. Calculate the theoretical yield of the reaction and explain the factors that may affect the percent yield.

asked 1 day ago in Organic Chemistry

1 answer 61 views

What are the top three most commonly missed topics on a high school chemistry exam and how can a student adequately prepare for these topics?

asked 6 days ago in Chemical education

1 answer 65 views

A chemistry student is studying the Langmuir adsorption isotherm and wants to determine the monolayer coverage of a gas adsorbed on a solid surface. The student measures the amount of gas adsorbed at various pressures and at a constant temperature of 298 K. Using the Langmuir adsorption isotherm equation, what is the monolayer coverage of the gas on the surface at this temperature?

answered Jan 22 in Surface Chemistry

1 answer 42 views

What is the main criticism of the concept of 'authenticity' in existential psychology?

answered Jan 20 in Psychology

1 answer 39 views

How did Skinner's 'Skinner box' experiment demonstrate operant conditioning?

asked Jan 20 in Psychology

1 answer 23 views

Who introduced the p-value?

answered Jan 20 in Psychology

1 answer 19 views

What is the critique of the self-determination theory of motivation?

answered Jan 16 in Psychology

1 answer 21 views

What is the difference between a leader and a manager?

asked Jan 16 in Psychology

1 answer 5 views

Where do learning theories suggest addiction comes from?

answered Jan 15 in Psychology

1 answer 26 views

What is the preoperational stage?

asked Jan 14 in Psychology

1 answer 26 views

What is an example of the principle of closure?

answered Jan 14 in Psychology

1 answer 24 views

Which period after birth has the most rapid growth?

answered Jan 8 in Science

1 answer 21 views

Which theory helps predict future events in weather?

answered Jan 8 in Science

1 answer 22 views

Which organ protects the body from injury, water loss, and microorganisms?

answered Jan 8 in Science

1 answer 29 views

What receives blood in the heart?

asked Jan 7 in Science

1 answer 8 views

What body system allows humans to move?

asked Jan 6 in Science

1 answer 24 views

Mammals that lay eggs are called what?

answered Dec 31, 2024 in Science

1 answer 32 views

Fluid-filled thylakoids are the site of glucose production in the second stage of what process?

asked Dec 30, 2024 in Science

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