Recent activity by Joleen88270

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What is the balanced chemical equation for the preparation of 2,4-dinitrophenylhydrazine from hydrazine and 2,4-dinitrochlorobenzene?

answered 4 days ago in Chemical synthesis

1 answer 32 views

How do specific amino acid sequences in transcription factors contribute to DNA-protein interactions and regulation of gene expression?

answered Feb 14 in BioChemistry

1 answer 27 views

What is the role of the perilipin protein in the regulation of lipolysis in adipocytes? Describe the biochemical mechanism of perilipin activation and its impact on lipid metabolism and transport in the human body.

asked Feb 14 in BioChemistry

1 answer 50 views

Calculate the standard enthalpy change for the neutralization of 50 mL of 0.1 M hydrochloric acid with 50 mL of 0.1 M sodium hydroxide at a constant pressure and a temperature of 25°C. The balanced equation for the reaction is: HCl(aq) + NaOH(aq) → NaCl(aq) + H2O(l)

answered Feb 3 in Chemical thermodynamics

1 answer 67 views

What is the concentration of lead in a water sample collected from a nearby river using atomic absorption spectroscopy?

asked Jan 31 in Analytical Chemistry

1 answer 69 views

What is the boiling point of aluminum chloride (AlCl3) when the atmospheric pressure is 1 atm? (Assuming the compound is in its standard state.)

asked Jan 31 in Inorganic Chemistry

1 answer 34 views

What are some common factors that contribute to the development of borderline personality disorder?

asked Jan 20 in Psychology

1 answer 71 views

What are the stages of Erikson's developmental theory of psychosocial development?

answered Jan 14 in Psychology

1 answer 34 views

What is anxiety?

answered Jan 13 in Psychology

1 answer 45 views

What makes breathing difficult due to respiratory system disease?

answered Jan 7 in Science

1 answer 35 views

What has increased the greenhouse effect?

asked Jan 6 in Science

1 answer 34 views

How many valence electrons can be found in a carbon atom?

asked Dec 30, 2024 in Science

1 answer 43 views

Cellular respiration uses oxygen to harvest what from organic molecules?

asked Dec 30, 2024 in Science

1 answer 10 views

What is the respiratory pigment of almost every vertebrate?

answered Dec 27, 2024 in Science

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