Recent activity by Bradley53M38

1 answer 16 views

Calculate the standard enthalpy of formation of water (H2O) given the following information:- The standard enthalpy of formation of hydrogen gas (H2) is 0 kJ/mol- The standard enthalpy of formation of oxygen gas (O2) is 0 kJ/mol- The standard enthalpy of combustion of hydrogen gas is -286 kJ/mol- The standard enthalpy of combustion of carbon (C) is -394 kJ/mol- The standard enthalpy of combustion of methane gas (CH4) is -890 kJ/mol

asked 2 days ago in ThermoChemistry

1 answer 30 views

Calculate the standard enthalpy change of formation of magnesium oxide (MgO) using the following data: ΔH°f for Mg (s) = 0 kJ/molΔH°f for O₂ (g) = 0 kJ/mol ΔH°c for MgO (s) = -601.8 kJ/mol

asked 2 days ago in Chemical thermodynamics

1 answer 46 views

What vibrational frequencies and infrared spectra results would be obtained for the molecule acetic acid (CH3COOH) using the quantum mechanical method of calculation?

asked 5 days ago in Quantum Chemistry

1 answer 75 views

How do amphipathic molecules contribute to the surface properties of biomembranes?

answered 5 days ago in Surface Chemistry

1 answer 33 views

How can X-ray diffraction be used to determine the crystalline structure and chemical composition of an unknown sample? Provide a step-by-step explanation of the process involved in conducting and interpreting X-ray diffraction analysis.

answered 6 days ago in Analytical Chemistry

1 answer 20 views

How does the humanistic theory differ from other schools of thought?

asked Jan 20 in Psychology

1 answer 23 views

When community psychologists conduct research, what do they prioritize?

answered Jan 20 in Psychology

1 answer 42 views

How do evolutionary psychologists explain human behaviour?

asked Jan 17 in Psychology

1 answer 24 views

What is the difference between a directive and supportive leadership style?

asked Jan 16 in Psychology

1 answer 8 views

According to the Humanistic approach, when does self-actualisation occur?

asked Jan 15 in Psychology

1 answer 19 views

What is the cognitive theory of motivation?

asked Jan 15 in Psychology

1 answer 23 views

What is the difference between puberty and adolescence?

asked Jan 14 in Psychology

1 answer 23 views

What is ethology in animal psychology?

asked Jan 13 in Psychology

1 answer 7 views

What phase exists when all the water in a container has physical properties intermediate between those of the gaseous and liquid states?

answered Jan 7 in Science

1 answer 20 views

What are specialized cells in the brain that monitor the concentration of solutes in the blood called?

answered Jan 3 in Science

1 answer 26 views

Food provides what type of energy needed by organisms, which is stored in bonds?

asked Dec 30, 2024 in Science

1 answer 19 views

What term indicates moles per liter, whereas molality is moles per kilogram of solvent?

answered Dec 28, 2024 in Science

1 answer 12 views

A lens of what shape causes rays of light to diverge, or spread apart, as they pass through it?

asked Dec 28, 2024 in Science

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