Recent activity by LacyEstrada1

1 answer 15 views

What is the role of DNA ligase in the process of DNA replication and repair? Provide specific examples of when and where DNA ligase is used in these processes.

asked 22 hours ago in BioChemistry

1 answer 30 views

Here's a question for the chemistry student to solve related to inadequate preparation for chemistry-related careers:How can universities better prepare chemistry students for careers in industry, beyond traditional academia-focused coursework, to ensure they have the necessary technical and transferable skills for success in their field?

answered Feb 4 in Chemical education

1 answer 37 views

Calculate the standard enthalpy change for the phase transition reaction of solid calcium carbonate (CaCO3) to gaseous carbon dioxide (CO2) at 298 K, given the following formation enthalpies: ΔHf°(CaCO3) = -1206.9 kJ/mol ΔHf°(CO2) = -393.5 kJ/mol Also, assume that the specific heat capacity of CaCO3 is 0.82 J/g·K and that of CO2 is 0.85 J/g·K.

answered Feb 3 in Chemical thermodynamics

1 answer 28 views

Calculate the standard enthalpy change for the following reaction involving solids at 298 K:Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) Given the following standard enthalpies of formation in kJ/mol: Fe2O3(s) = -825.5 Fe(s) = 0CO2(g) = -393.5 CO(g) = -110.5

asked Feb 3 in Chemical thermodynamics

1 answer 50 views

A copper wire is exposed to a solution containing 0.2 M NaCl. The corrosion rate of the wire is found to be 5.8 microAmp/cm². Calculate the corrosion current density of the copper wire in the given environment.

answered Jan 22 in ElectroChemistry

1 answer 52 views

What is the major product formed when 2-methylbutan-2-ol undergoes an E1 elimination reaction with concentrated sulfuric acid?

asked Jan 21 in Organic Chemistry

1 answer 55 views

What is the behavioural theory explanation for personality disorders?

asked Jan 20 in Psychology

1 answer 11 views

According to the cognitive-behavioural model, what is the role of behaviour in depression?

answered Jan 17 in Psychology

1 answer 59 views

What is the difference between a main effect and an interaction?

answered Jan 16 in Psychology

1 answer 54 views

When did Howard Gardner propose his theory of 'multiple intelligences'?

asked Jan 15 in Psychology

1 answer 30 views

Where does the evolutionary theory of sexuality focus?

answered Jan 15 in Psychology

1 answer 33 views

What is the difference between long-term and short-term memory?

asked Jan 14 in Psychology

1 answer 62 views

What is histrionic personality disorder?

asked Jan 13 in Psychology

1 answer 24 views

Which type of respiration helps organisms generate quick bursts of speed, as opposed to long steady movement?

asked Jan 8 in Science

1 answer 30 views

Which orbitals do electrons fill first?

asked Jan 8 in Science

1 answer 12 views

What term is used to describe an immunity that occurs after exposure to an antigen either from a pathogen or a vaccination?

answered Jan 7 in Science

1 answer 23 views

What is the sum of the massess of the atoms in a molecule?

answered Jan 7 in Science

1 answer 23 views

Compounds with metals and nonmetals sharing electrons are known as what kinds of compounds?

answered Dec 30, 2024 in Science

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