Recent activity by ChristopherH

1 answer 26 views

How can chemistry students in schools with limited access to laboratory equipment and facilities effectively learn and apply practical skills and knowledge? What alternative methods can be used to provide hands-on experience and promote a deeper understanding of chemical concepts?

asked 22 hours ago in Chemical education

1 answer 34 views

Consider an electrochemical cell with the following half-cell reaction: Cu(s) | Cu2+(aq) || Ag+(aq) | Ag(s). Suppose the concentration of Cu2+ is 2.0 M and the concentration of Ag+ is 1.0 M. Calculate the resistance of the electrochemical cell if the cell potential is 0.60 V at 25°C.

answered 2 days ago in ElectroChemistry

1 answer 2 views

Consider the inorganic molecule SF4. Determine the following for this molecule:1. The Lewis structure2. The molecular geometry3. The polarity of the molecule

asked 6 days ago in Inorganic Chemistry

1 answer 46 views

Calculate the bond dissociation energy of the H-H bond given the following information: The enthalpy change for the reaction 2H2(g) → 4H(g) is +436 kJ/mol, and the average bond dissociation energy for a H-H bond is 436 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 5 views

When assessing the effectiveness of CPT, what are some of the criticisms to consider?

asked Jan 17 in Psychology

1 answer 46 views

According to Erikson, why do individuals experience identity crises?

answered Jan 16 in Psychology

1 answer 43 views

When was the Bio-Psychosocial Model of Disability first proposed?

answered Jan 15 in Psychology

1 answer 34 views

What is a therapeutic alliance?

answered Jan 14 in Psychology

1 answer 26 views

Which reproduction produces offspring genetically identical to the one parent?

answered Jan 8 in Science

1 answer 19 views

What is the transfer of thermal energy between substances called?

answered Jan 7 in Science

1 answer 23 views

What is the diffusion of water known as?

answered Jan 6 in Science

1 answer 55 views

What causes maple leaves to change their colors?

answered Jan 6 in Science

1 answer 26 views

Silver and ordinary table salt are two examples of chemical what?

asked Dec 31, 2024 in Science

1 answer 10 views

Like people with type 1 diabetes, people with type 2 diabetes must frequently check what level?

asked Dec 31, 2024 in Science

1 answer 51 views

Kirchhoff’s second rule (the loop rule) is an application of conservation of what?

answered Dec 31, 2024 in Science

1 answer 8 views

Besides depth soundings, what else are bathymetric maps made of?

asked Dec 30, 2024 in Science

1 answer 27 views

An endocrine disease usually involves the secretion of too much or not enough hormone by which gland?

asked Dec 30, 2024 in Science

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