Recent activity by LuigiBinns8

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Calculate the standard enthalpy change for the sublimation of 5 moles of solid iodine (I2) given the following data:- Enthalpy of fusion of iodine = 15.52 kJ/mol- Enthalpy of vaporization of iodine = 41.57 kJ/mol

answered 2 days ago in Chemical thermodynamics

1 answer 33 views

Calculate the standard enthalpy change for the fusion of 2.5 moles of solid sulfur (S8) at its melting point (388 K) using the given information: ΔHfus = 9.73 kJ/mol ΔSfus = 22.8 J/(mol*K) The molar heat capacity of solid sulfur is 22.75 J/(mol*K) and the heat capacity of the liquid sulfur is 37.05 J/(mol*K).

answered 2 days ago in Chemical thermodynamics

1 answer 49 views

What is the concentration (in g/L) of FeCl3 in a 25 mL sample that has an absorbance of 0.325 at a wavelength of 535 nm, assuming an extinction coefficient of 976 L/mol/cm?

answered 6 days ago in Analytical Chemistry

1 answer 24 views

Who conducted the famous 'marshmallow test'?

asked Jan 20 in Psychology

1 answer 19 views

Who proposed the zone of proximal development?

answered Jan 20 in Psychology

1 answer 43 views

How does the social-cultural approach understand human behaviour?

asked Jan 15 in Psychology

1 answer 51 views

What is systematic desensitisation?

asked Jan 14 in Psychology

1 answer 31 views

What is the ingroup bias?

asked Jan 14 in Psychology

1 answer 25 views

What is the ultimatum game?

asked Jan 14 in Psychology

1 answer 18 views

What is the psychodynamic theory of anxiety?

asked Jan 13 in Psychology

1 answer 44 views

Who proposed the self-determination theory?

asked Jan 13 in Psychology

1 answer 22 views

What takes both the shape and the volume of their container?

asked Jan 7 in Science

1 answer 40 views

What physical property of matter reflects how closely packed the particles are?

answered Jan 7 in Science

1 answer 8 views

What are the two most common common ways that brain and spinal cord injuries occur?

asked Jan 6 in Science

1 answer 53 views

The short length of what in women is the best explanation for the greater incidence of uti in women?

asked Jan 2 in Science

1 answer 31 views

The mass of the objects and the distance between them affect the strength of what universal force?

asked Jan 2 in Science

1 answer 24 views

A chemical property describes the ability of a substance to undergo a specific what?

answered Dec 28, 2024 in Science

1 answer 8 views

Narrowing of the arterioles causes an increase of what upstream in the arteries?

answered Dec 27, 2024 in Science

1 answer 27 views

Internal body fluids link exchange surfaces to what else?

asked Dec 27, 2024 in Science

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