Recent activity by KingCopland

1 answer 35 views

Can the use of ceramic materials with specific structural properties enhance the performance and durability of gas turbine engines operating at high temperatures?

answered 2 days ago in Materials Chemistry

1 answer 72 views

What is the concentration of caffeine in a freshly brewed cup of coffee? Using liquid chromatography, analyze the composition of the coffee sample and determine the peak for caffeine. From the peak area and a known standard of caffeine, calculate the concentration of caffeine in the coffee sample.

asked 6 days ago in Analytical Chemistry

1 answer 41 views

A student wants to determine the rate constant of a first-order reaction. The initial concentration of reactant is 0.050 M and after 60 seconds, the concentration drops to 0.025 M. What is the rate constant of the reaction?

answered Jan 22 in Chemical kinetics

1 answer 34 views

What is the product formed when propene undergoes electrophilic addition reaction with hydrogen bromide (HBr)?

answered Jan 21 in Organic Chemistry

1 answer 48 views

What is the implication of the gestalt theory for perceptual organisation?

asked Jan 20 in Psychology

1 answer 13 views

What is the difference between additive and subtractive colour mixing?

asked Jan 13 in Psychology

1 answer 26 views

What organelles are known as the "power plants" of the cell?

answered Jan 7 in Science

1 answer 23 views

What makes blue cheese blue?

asked Jan 7 in Science

1 answer 26 views

What is the preferred food for almost all primates except for humans?

answered Jan 7 in Science

1 answer 24 views

What human traits are controlled by more than one gene?

answered Jan 6 in Science

1 answer 49 views

What do loess deposits form?

asked Jan 6 in Science

1 answer 18 views

Prosimians are thought to be more similar to the earliest of these?

asked Dec 31, 2024 in Science

1 answer 20 views

An individual with the appropriate number of what for their species is called euploid; abnormalities in this number include trisomy and monosomy?

asked Dec 30, 2024 in Science

1 answer 23 views

What are the three main types of rocks?

asked Dec 28, 2024 in Science

1 answer 7 views

What is the loss of energy available to do work called?

asked Dec 27, 2024 in Science

1 answer 7 views

What type of engineers influence community structure through their effects on the physical environment?

asked Dec 27, 2024 in Science

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