Questions by JeffrySchuhm

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1 answer 29 views

Here is a precise question for the student to solve:A chemical reaction occurs in a closed system that results in a change in temperature, but without any change in volume. Using non-equilibrium thermodynamics and irreversible processes, determine the amount of heat absorbed or released by the reaction if the entropy change is known to be 25 J/K.

asked 1 day ago in Physical Chemistry

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1 answer 31 views

Determine the enthalpy change for the oxidation of 2 moles of iron (Fe) to form iron oxide (FeO) using the following data: Fe + 1/2 O2 → FeO ΔH = -65.0 kJ/mol 4 Fe + 3 O2 → 2 Fe2O3 ΔH = -1648.6 kJ/mol

asked 1 day ago in ThermoChemistry

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1 answer 28 views

How does changing the molecular structure of a substance affect its magnetic properties, and how can this information be used in the design of novel materials with specific magnetic properties?

asked 2 days ago in Quantum Chemistry

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1 answer 18 views

Who proposed the Transactional Model of Stress and Coping?

asked Jan 15 in Psychology

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1 answer 12 views

What is the effect of sleep on attention?

asked Jan 14 in Psychology

0 votes

1 answer 15 views

What is defined as male gametes that form in the testes and mature in the epididymis?

asked Jan 6 in Science

0 votes

1 answer 22 views

How do molecules react when a gas is heated?

asked Dec 30, 2024 in Science

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