Recent activity by KathaleenJts

1 answer 35 views

How can chemistry students from low-income communities access high-quality resources and textbooks to enhance their understanding and mastery of the subject?

asked 23 hours ago in Chemical education

1 answer 52 views

Calculate the heat of crystallization for NaCl from the given data:The enthalpy of fusion of NaCl = 28.3 kJ/mol and the heat capacity of NaCl is approximately constant at 40.0 J/mol.K for temperatures close to room temperature. The melting point of NaCl is 801 °C and the density of the solid NaCl is 2.16 g/cm³.

answered Jan 23 in ThermoChemistry

1 answer 46 views

Calculate the equilibrium constant at 25°C for the reaction: CO(g) + 3H2(g) ⇌ CH4(g) + H2O(g) If at equilibrium, the concentration of CO is 0.10 M, H2 is 0.20 M, CH4 is 0.015 M and H2O is 0.035 M.

answered Jan 23 in Chemical equilibrium

1 answer 29 views

According to Eysenck's trait theory, what are the three major dimensions of personality?

asked Jan 20 in Psychology

1 answer 23 views

Where does the concept of 'existential crisis' fit within the broader context of psychology?

asked Jan 20 in Psychology

1 answer 49 views

Why is it important to communicate boundaries clearly?

asked Jan 20 in Psychology

1 answer 40 views

What is the impact of historical events on the chronosystem?

answered Jan 17 in Psychology

1 answer 16 views

What is the external validity of a study?

answered Jan 16 in Psychology

1 answer 22 views

While light travels at different speeds in different kinds of matter, the speed of light is constant in what condition?

answered Jan 8 in Science

1 answer 8 views

What term is used to describe how fast a chemical reaction occurs?

answered Jan 8 in Science

1 answer 46 views

What appears in autumn when cool air moves over a warm lake?

answered Jan 2 in Science

1 answer 26 views

The measure of a substances entropy at 25 degrees celsius is known as it's?

asked Jan 2 in Science

1 answer 25 views

Along with climate, this also influences the type of vegetation that can grow in the region?

answered Dec 30, 2024 in Science

1 answer 29 views

A diploid cell contains two sets of what?

answered Dec 30, 2024 in Science

1 answer 48 views

What substances contained in lemons, vinegar, and sour candies have a sour taste?

answered Dec 28, 2024 in Science

1 answer 24 views

Nutrition and diet affect your metabolism. more energy is required to break down fats and proteins than this?

answered Dec 27, 2024 in Science

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