Recent activity by HaleyXtk6504

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Calculate the standard enthalpy change of the reaction NH3(g) + 2O2(g) → NO2(g) + 3H2O(l) at 25°C, given that the standard enthalpies of formation of NH3(g), O2(g), NO2(g) and H2O(l) are -46.11 kJ/mol, 0 kJ/mol, 33.18 kJ/mol and -285.8 kJ/mol, respectively.

asked 2 days ago in Quantum Chemistry

1 answer 21 views

Calculate the standard enthalpy change for the dissolution of 5g of sodium chloride in 100mL of water at 25°C, given that the molar enthalpy of dissolution of NaCl is -3.9 kJ/mol.

answered 2 days ago in Chemical thermodynamics

1 answer 44 views

What is the optimized geometry and electronic structure of the transition metal complex [Fe(CN)6]4- using ab initio calculations?

asked 5 days ago in Computational Chemistry

1 answer 20 views

According to Erikson's theory, how do individuals approach the end-of-life stage?

answered Jan 17 in Psychology

1 answer 26 views

Where are standardised effect sizes commonly used?

asked Jan 16 in Psychology

1 answer 16 views

Why is heredity important for evaluating animal psychology?

asked Jan 16 in Psychology

1 answer 15 views

When evaluating a cognitive behavioural theory, what is meant by internal validity?

asked Jan 15 in Psychology

1 answer 20 views

What is the difference between a cognitive and a behavioural therapy?

answered Jan 14 in Psychology

1 answer 21 views

What is the importance of biology in psychology?

asked Jan 13 in Psychology

1 answer 21 views

When the nucleus divides, the two chromatids that make up each chromosome separate from each other and move to opposite poles of the cell during this process?

answered Jan 8 in Science

1 answer 50 views

What is formed when a subducting plate flows under another tectonic plate?

asked Jan 6 in Science

1 answer 19 views

What is controlled by regulatory proteins that bind to regulatory elements on dna?

asked Jan 6 in Science

1 answer 17 views

What is a close relationship between two species in which at least one species benefits called?

asked Jan 6 in Science

1 answer 25 views

What are major temperature zones primarily based on?

answered Jan 3 in Science

1 answer 23 views

The sun and all objects held by it's gravity make up the?

answered Jan 2 in Science

1 answer 25 views

What are the long, thin protein extensions in most prokaryotic cells called?

asked Dec 27, 2024 in Science

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