Recent activity by KristalWearn

1 answer 63 views

What are the specific steps and techniques used in X-ray fluorescence spectroscopy to determine the presence of a particular element in a given sample and what are the limitations of this method in accurately identifying the concentration and distribution of the element?

asked 6 days ago in Analytical Chemistry

1 answer 77 views

How can we determine the concentration of chloride ions in a given solution using a chloride ion selective electrode?

asked Jan 29 in Analytical Chemistry

1 answer 42 views

Calculate the change in entropy (ΔS) of the following reaction at 298 K:2SO2(g) + O2(g) → 2SO3(g) Given the standard molar entropies at 298 K: ΔS°(SO2,g) = 248.2 J/Kmol ΔS°(O2,g) = 205.0 J/Kmol ΔS°(SO3,g) = 256.2 J/Kmol

answered Jan 23 in Chemical thermodynamics

1 answer 20 views

According to research on decision-making, why do people often make irrational choices?

answered Jan 20 in Psychology

1 answer 17 views

What is the criteria for evaluating theory?

answered Jan 16 in Psychology

1 answer 16 views

What are the limitations of the peripheral route to persuasion?

answered Jan 16 in Psychology

1 answer 28 views

Why is the PCL-R criticised?

asked Jan 16 in Psychology

1 answer 7 views

What is the difference between assimilation and accommodation in Piaget's cognitive development theory?

asked Jan 16 in Psychology

1 answer 49 views

When evaluating the task-based model of grief, what weakness can be pointed out?

asked Jan 15 in Psychology

1 answer 13 views

Pure substances have a constant composition and can only be changed through what?

asked Dec 31, 2024 in Science

1 answer 32 views

Diamond is extremely hard because of the strong bonding between ______ in all directions?

asked Dec 30, 2024 in Science

1 answer 9 views

Pacemaker cells stimulate the spontaneous contraction of cardiac muscle as a functional unit, called a what?

answered Dec 27, 2024 in Science

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