Questions by FosterN11866

+1 vote

1 answer 57 views

Using liquid chromatography techniques, determine the concentration of caffeine in a given sample of coffee and compare it with the recommended safe limit for human consumption.

asked 6 days ago in Analytical Chemistry

0 votes

1 answer 48 views

A 0.50 L vessel contains 1.0 mol of N2(g) and 3.0 mol of H2(g) at equilibrium at 400 K according to the following equation:N2(g) + 3H2(g) ⇌ 2NH3(g)If the volume of the vessel is suddenly decreased to 0.25 L, what will happen to the equilibrium position? Will the concentration of NH3 increase or decrease? Calculate the new equilibrium constant at this new volume.

asked Jan 22 in Chemical equilibrium

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1 answer 39 views

What theory suggests that unconscious thoughts and experiences influence people's behaviour?

asked Jan 15 in Psychology

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1 answer 54 views

Insects have a highly specialized type of respiratory system called what?

asked Dec 31, 2024 in Science

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1 answer 29 views

Out of the four ways that allele frequencies of a population can be changed, which way is caused by individuals leaving or joining the population?

asked Dec 27, 2024 in Science

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