Questions by CatherineLan

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1 answer 31 views

Calculate the standard enthalpy change for the following reaction: Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) given the following standard enthalpy of formation values: ΔHf°[Fe2O3(s)] = -824.2 kJ/mol ΔHf°[CO(g)] = -110.5 kJ/mol ΔHf°[Fe(s)] = 0 kJ/mol ΔHf°[CO2(g)] = -393.5 kJ/mol

asked 2 days ago in Chemical thermodynamics

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1 answer 82 views

Identify the structure of an unknown organic compound using nuclear magnetic resonance spectroscopy, given the following NMR spectrum and molecular formula (C7H14O2): Chemical shift (ppm) Integration0.87 — 3H (s)1.25 — 3H (s)1.45 — 2H (m)2.10 — 2H (t)2.80 — 1H (br s)4.00 — 1H (t)4.20 — 1H (br s)9.70 — 1H (s)

asked 6 days ago in Analytical Chemistry

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1 answer 8 views

According to the change blindness paradigm, how do people miss changes in a visual display?

asked Jan 20 in Psychology

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1 answer 19 views

Who developed the social-cognitive theory?

asked Jan 17 in Psychology

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1 answer 21 views

What are the Big Five personality traits?

asked Jan 13 in Psychology

0 votes

1 answer 21 views

What is the rotational equivalent of a force?

asked Jan 7 in Science

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1 answer 30 views

During protein synthesis, ribosomes assemble what into proteins?

asked Dec 30, 2024 in Science

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1 answer 38 views

Duplicated chromosomes are composed of two sister what?

asked Dec 30, 2024 in Science

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