Recent activity by BradlySanche

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Determine the standard enthalpy change for the following reaction: 2 Fe (s) + 3/2 O2 (g) → Fe2O3 (s) Given the following data: - ΔHf° of Fe2O3 (s) = -826 kJ/mol - ΔHf° of O2 (g) = 0 kJ/mol - The heat capacity of the calorimeter is 135 J/°C Assume that the reaction takes place at constant pressure and that the heat absorbed by the calorimeter is negligible.

answered 1 day ago in Chemical thermodynamics

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Calculate the standard enthalpy change for the fusion of solid hydrogen (H₂) at its melting point of 13.81 K, given that the standard enthalpy of fusion of H₂ is 0.117 kJ/mol.

asked 2 days ago in Chemical thermodynamics

1 answer 49 views

What is the concentration of lead (Pb) in a water sample collected from a industrial site using atomic absorption spectroscopy?

asked 6 days ago in Analytical Chemistry

1 answer 25 views

What is the strange situation experiment?

asked Jan 20 in Psychology

1 answer 29 views

Who developed the stress and coping theory?

answered Jan 20 in Psychology

1 answer 40 views

What is the handicap principle in evolutionary psychology?

asked Jan 16 in Psychology

1 answer 19 views

What is evidence-based practice?

asked Jan 16 in Psychology

1 answer 20 views

Where may the socio-cultural theory be critiqued?

asked Jan 16 in Psychology

1 answer 54 views

According to the Social Influence theory, how does normative influence work?

asked Jan 16 in Psychology

1 answer 43 views

What is EMDR therapy?

asked Jan 15 in Psychology

1 answer 33 views

What is the importance of Mesosystem in the Ecological Systems Theory?

asked Jan 15 in Psychology

1 answer 17 views

According to the scatter plot, what does the clustering of data points indicate?

asked Jan 15 in Psychology

1 answer 22 views

What is servant leadership?

asked Jan 14 in Psychology

1 answer 8 views

What term is used to describe an illusion that light from faraway objects is reflected by a pool of water that is not really there?

answered Jan 7 in Science

1 answer 20 views

What is the term for liquid waste formed by kidneys?

answered Jan 7 in Science

1 answer 10 views

All forms of energy can be interconverted. three things can change the energy of an object: the transfer of heat, work performed on or by an object, or some combination of what?

answered Dec 30, 2024 in Science

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