Recent activity by JillBrand447

1 answer 28 views

How can chemistry students effectively access and stay informed about current research in their field, despite limited exposure within their coursework and programs?

asked 23 hours ago in Chemical education

1 answer 34 views

Calculate the standard Gibbs free energy change for the following chemical reaction at 25°C:2H2(g) + O2(g) → 2H2O(l)The standard Gibbs free energy of formation at 25°C for H2O(l) is -237.2 kJ/mol, H2(g) is 0 kJ/mol, and O2(g) is 0 kJ/mol.

answered 2 days ago in Chemical thermodynamics

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Calculate the standard enthalpy of formation for magnesium oxide (MgO) given the standard enthalpy of formation for magnesium (Mg) is -601.8 kJ/mol and the standard enthalpy of formation for oxygen (O₂) is 0 kJ/mol.

answered 2 days ago in ThermoChemistry

1 answer 59 views

A galvanic cell consists of a standard hydrogen electrode (SHE) as the cathode and a copper electrode as the anode. The measured potential difference between the two electrodes is 1.23 V. Using Tafel analysis, calculate the anodic and cathodic Tafel slopes for the copper electrode.

answered Jan 22 in ElectroChemistry

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According to Festinger's social comparison theory, what is the purpose of social comparison?

asked Jan 20 in Psychology

1 answer 24 views

What is the reward deficiency syndrome?

answered Jan 20 in Psychology

1 answer 28 views

How can community-based programs support recovery?

asked Jan 17 in Psychology

1 answer 24 views

Why do some psychologists reject metapsychology?

answered Jan 16 in Psychology

1 answer 20 views

Why is the social structure theory criticised?

asked Jan 16 in Psychology

1 answer 6 views

What is the importance of member checking in qualitative research?

asked Jan 16 in Psychology

1 answer 19 views

What is meant by the term 'personality'?

asked Jan 14 in Psychology

1 answer 46 views

What is the 'contact hypothesis'?

answered Jan 14 in Psychology

1 answer 21 views

What is the difference between a phoneme and a morpheme?

asked Jan 14 in Psychology

1 answer 35 views

Who first proposed that earth is a magnet?

asked Jan 8 in Science

1 answer 54 views

Which chromosome is associated with cri du chat syndrome?

answered Jan 8 in Science

1 answer 8 views

What is the name for the disease in which cells divide out of control?

asked Jan 7 in Science

1 answer 21 views

What is the first step of the calvin cycle called?

answered Jan 7 in Science

1 answer 37 views

How many valence electrons do neutral phosphorus atoms have?

asked Dec 30, 2024 in Science

1 answer 8 views

How is a mammal developed if not inside of a placenta or a pouch?

asked Dec 30, 2024 in Science

1 answer 28 views

Changes of state of matter do not involve what type of reaction?

answered Dec 30, 2024 in Science

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