Recent activity by IsobelBrione

1 answer 25 views

How can students effectively learn and understand concepts of chemistry that require the use of laboratory equipment and facilities when they have limited access to them?

answered 6 hours ago in Chemical education

1 answer 28 views

How can researchers modify existing antibiotics to combat drug-resistant bacteria and what are the challenges associated with this approach?

asked 6 hours ago in Medicinal Chemistry

1 answer 15 views

Calculate the standard enthalpy change for the reaction: CuSO4 (aq) + 4NH3 (aq) -> Cu(NH3)4SO4 (aq) given that the standard enthalpy changes of formation for CuSO4 (aq) and NH3 (aq) are -771.5 kJ/mol and -46.19 kJ/mol respectively, and the standard enthalpy change of formation for Cu(NH3)4SO4 (aq) is -2130.4 kJ/mol.

answered 2 days ago in Chemical thermodynamics

1 answer 51 views

Calculate the heat capacity of a 25.0 g sample of copper, given that it was heated from 25°C to 50°C when it absorbed 209 J of heat. The specific heat capacity of copper is 0.385 J/g°C.

answered Jan 23 in Chemical thermodynamics

1 answer 54 views

Calculate the electronegativity difference between carbon and hydrogen atoms in methane (CH4). Show the steps involved in the calculation and explain what the value of the electronegativity difference indicates about the bonding between the atoms.

answered Jan 23 in Chemical bonding

1 answer 23 views

According to Eric Kandel's research on the neurobiology of memory, why do we form memories?

asked Jan 20 in Psychology

1 answer 22 views

Please compare the prevalence of depression in males and females.

asked Jan 17 in Psychology

1 answer 3 views

Who developed the concept of emotional intelligence?

asked Jan 17 in Psychology

1 answer 18 views

According to Vygotsky, how do children acquire knowledge?

asked Jan 17 in Psychology

1 answer 27 views

What is the purpose of using a z-score?

answered Jan 16 in Psychology

1 answer 13 views

According to the attachment theory, what is the role of a primary caregiver?

asked Jan 16 in Psychology

1 answer 20 views

When was the theory of discourse developed?

answered Jan 15 in Psychology

1 answer 7 views

How do social-learning theories explain the development of gender identity?

asked Jan 13 in Psychology

1 answer 7 views

What processes involve a transfer of electrons between the wire and the solution?

asked Jan 7 in Science

1 answer 28 views

What is necessary in a person who wishes to play wind instruments?

answered Jan 6 in Science

1 answer 27 views

Most sedimentary rocks form from what?

answered Dec 31, 2024 in Science

1 answer 23 views

In what type of climate might one find deciduous trees?

answered Dec 31, 2024 in Science

1 answer 29 views

In ancient egypt gold mines were the property of what?

answered Dec 31, 2024 in Science

1 answer 23 views

How much can the bacteria in your gut weigh?

answered Dec 30, 2024 in Science

1 answer 21 views

What is the term for how close a measurement is to the true value?

asked Dec 28, 2024 in Science

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