Recent activity by CecilaNicola

1 answer 23 views

How can chemistry students in underprivileged areas gain access to adequate textbooks and resources, and what can be done to address the limited availability of these materials?

asked 22 hours ago in Chemical education

1 answer 37 views

Calculate the standard enthalpy change for the fusion reaction of solid lithium at its melting point, assuming that the reaction is carried out under standard conditions.

asked 2 days ago in Chemical thermodynamics

1 answer 39 views

Calculate the lattice energy of MgO using Born-Haber Cycle. Given the following information: - The enthalpy change of sublimation of Mg = +1472 kJ/mol- The first ionization energy of Mg = +738 kJ/mol- The second ionization energy of Mg = +1450 kJ/mol- The enthalpy change of electron affinity of O = -141 kJ/mol- The enthalpy change of formation of MgO = -601 kJ/mol- Assume that all other enthalpy changes are negligible.

asked Jan 23 in Inorganic Chemistry

1 answer 33 views

According to Beck's cognitive therapy, what is negative automatic thinking?

asked Jan 20 in Psychology

1 answer 26 views

What are the strengths of Psychodynamic Therapy?

asked Jan 16 in Psychology

1 answer 27 views

What occurs when water on the surface changes to water vapor?

answered Jan 7 in Science

1 answer 34 views

What is the unit of liquid measurement in the metric system?

answered Jan 7 in Science

1 answer 20 views

Starch is a large, complex carbohydrate made of thousands of _____ joined together?

answered Dec 31, 2024 in Science

1 answer 25 views

Most metals exist in which form at room temperature?

asked Dec 31, 2024 in Science

1 answer 9 views

Electrons are always added to which energy level first?

asked Dec 30, 2024 in Science

1 answer 32 views

During adolescence, what causes most of the changes associated with puberty?

asked Dec 30, 2024 in Science

1 answer 25 views

What phenomenon can cause a protein in an organism to be made incorrectly?

asked Dec 28, 2024 in Science

1 answer 27 views

The main functions of epithelia are protection from the environment, coverage, secretion and excretion, absorption, and this?

answered Dec 27, 2024 in Science

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