Recent activity by JacquieElias

1 answer 66 views

What is the percent composition of carbon, hydrogen, and nitrogen in a 10 gram sample of caffeine? Use elemental analysis to determine the answer.

answered 5 days ago in Analytical Chemistry

1 answer 40 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

asked Jan 23 in Chemical thermodynamics

1 answer 43 views

Calculate the bond dissociation energy for the H-H bond, given that the average H-H bond energy is 436 kJ/mol. Show all the steps in your calculation.

asked Jan 23 in Chemical bonding

1 answer 84 views

What is the systematic name of the organic compound with the molecular formula C6H12O and a ketone functional group located on the second carbon atom from the left end?

answered Jan 21 in Organic Chemistry

1 answer 20 views

What are the weaknesses of positivism?

answered Jan 16 in Psychology

1 answer 52 views

How does attribution theory differ from self-serving bias?

answered Jan 16 in Psychology

1 answer 22 views

Where did Maslow's Hierarchy of Needs originate?

answered Jan 15 in Psychology

1 answer 31 views

What is the theory of cognitive development?

answered Jan 15 in Psychology

1 answer 6 views

What is the difference between the experimental and quasi-experimental research designs?

asked Jan 13 in Psychology

1 answer 23 views

What is formed when each sodium atom donates its single valence electron to a chlorine atom?

asked Jan 2 in Science

1 answer 28 views

Lymphoma is a cancer of a type of what type of cells, called lymphocytes?

asked Dec 31, 2024 in Science

1 answer 32 views

How long do the long-lived isotopes require to decay to a safe level in a nuclear reactor?

answered Dec 30, 2024 in Science

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