Recent activity by NancyChaffin

1 answer 4 views

How does changing the pH affect the equilibrium position of the redox reaction: Fe2+ + 2H+ ⇌ Fe3+ + H2O?

answered 2 days ago in Chemical equilibrium

1 answer 61 views

What chemical processes contribute to the formation of acid mine drainage and how can these processes be mitigated to improve water quality in affected areas?

answered 6 days ago in Environmental Chemistry

1 answer 35 views

How does the acetylation of histone proteins affect the binding of transcription factors to DNA, and what role does this play in regulating gene expression?

asked 6 days ago in BioChemistry

1 answer 43 views

Calculate the enthalpy change for the reaction of 2.5 g of hydrogen gas with excess oxygen gas to produce water, given that the enthalpy of formation of water is -285.83 kJ/mol and the molar mass of hydrogen gas is 2.02 g/mol.

answered Jan 23 in ThermoChemistry

1 answer 27 views

Compare and contrast the information-processing approach to cognitive development with Piaget's theory.

answered Jan 20 in Psychology

1 answer 53 views

What is the assumption of the frustration-aggression theory?

asked Jan 17 in Psychology

1 answer 26 views

What is simplicity in theory evaluation?

answered Jan 15 in Psychology

1 answer 20 views

answered Jan 14 in Psychology

1 answer 56 views

What is the concept of 'thought-action fusion' in OCD?

answered Jan 13 in Psychology

1 answer 36 views

What layer covers the bones that make them look tough, shiny, and white?

asked Jan 7 in Science

1 answer 41 views

Two kinds of sex hormones are of particular importance in females: progesterone, which prepares the uterus for pregnancy and prevents the further release of eggs from the ovaries during pregnancy, and the estrogens, which are mainly responsible for the development of female secondary sexual characteristics, such as breast development and increased deposition of this?

answered Jan 2 in Science

1 answer 35 views

Chitin is a substance that is found in what part of animals like beetles and lobsters?

asked Dec 30, 2024 in Science

1 answer 18 views

What is only effective if ventilation is matched to blood flow through alveolar capillaries?

answered Dec 27, 2024 in Science

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