Recent activity by SherriBiaggi

1 answer 20 views

How can chemistry students overcome the challenge of limited availability of chemistry-related internships and job opportunities?

asked 6 days ago in Chemical education

1 answer 29 views

Calculate the standard enthalpy change for the reaction between [Fe(H2O)6]2+ and 2Cl- ions to produce [FeCl4]2- complex ion given that the enthalpy of formation for [FeCl4]2- is -392 kJ/mol and the enthalpies of hydration for Fe2+ and Cl- ions are -340 kJ/mol and -381 kJ/mol, respectively.

answered Feb 3 in Chemical thermodynamics

1 answer 66 views

A chemistry student is given a sample of a compound containing sulfur, oxygen, and carbon. The student needs to determine the mass percentages of each element in the compound using mass balance calculations. The sample has a total mass of 5.00 grams, and the student devises an experiment to isolate each of the three elements by chemical reactions, and the mass of each element is recorded as follows: 1.20 g sulfur, 1.80 g oxygen, and 2.00 g carbon. What are the mass percentages of sulfur, oxygen, and carbon in the compound?

asked Jan 22 in Analytical Chemistry

1 answer 31 views

According to the opponent-process theory, what happens when one color is stimulated?

asked Jan 20 in Psychology

1 answer 27 views

When did the DSM-III introduce the concept of specific learning disorders?

asked Jan 20 in Psychology

1 answer 58 views

How does the concept of motivation link to positive psychology principles?

asked Jan 20 in Psychology

1 answer 25 views

According to the mirror neuron theory, what is the role of mirror neurons?

asked Jan 20 in Psychology

1 answer 6 views

What is the importance of communication in social psychology?

asked Jan 17 in Psychology

1 answer 32 views

What is 'reflexivity' in discursive psychology?

answered Jan 15 in Psychology

1 answer 31 views

According to the Psychodynamic Theory, what is the root of human behaviour?

answered Jan 15 in Psychology

1 answer 38 views

What is the precedence effect?

asked Jan 15 in Psychology

1 answer 34 views

Surface tension comes from the fact that particles at the surface of a liquid do not experience interactions from all directions which leads to what on the surface?

asked Dec 31, 2024 in Science

...