Recent activity by FredricPalum

1 answer 16 views

Calculate the standard enthalpy change of formation for the compound methane (CH4) given the following information:- The standard enthalpy change of formation for carbon dioxide (CO2) is -393.5 kJ/mol.- The standard enthalpy change of formation for water (H2O) is -285.8 kJ/mol.- The enthalpy of combustion for methane is -890.4 kJ/mol.

asked 2 days ago in Chemical thermodynamics

1 answer 50 views

How can a better understanding of an individual's genetic makeup aid in predicting their response to certain drugs and improve the efficacy of drug therapy?

asked 6 days ago in Medicinal Chemistry

1 answer 55 views

Calculate the entropy change (ΔS) for the combustion of methane gas (CH4) at constant pressure and standard conditions, given the following data: C(s) + O2(g) → CO2(g) ΔS° = -394 J/K·mol 2H2(g) + O2(g) → 2H2O(l) ΔS° = -237 J/K·mol CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ΔH° = -802 kJ/mol

answered Jan 23 in Chemical thermodynamics

1 answer 40 views

Calculate the bond order and bond length of the N-O bond in the nitrite ion (NO2-).

asked Jan 23 in Inorganic Chemistry

1 answer 35 views

Identify the number of stereoisomers for a molecule with the molecular formula C5H10O that contains a chiral carbon atom.

asked Jan 21 in Organic Chemistry

1 answer 14 views

According to Pavlov's classical conditioning, what is the unconditioned stimulus?

answered Jan 20 in Psychology

1 answer 5 views

What does a correlation coefficient signify?

asked Jan 14 in Psychology

1 answer 18 views

What is ethnography?

asked Jan 14 in Psychology

1 answer 25 views

What is the meaning of emotional regulation?

asked Jan 14 in Psychology

1 answer 63 views

Which layer is found below the lithosphere?

answered Jan 8 in Science

1 answer 37 views

Where do amphibians lay their eggs?

answered Jan 8 in Science

1 answer 22 views

Where are protons found in the atom?

asked Jan 8 in Science

1 answer 19 views

What organ breaks down excess amino acids and toxins in the blood?

asked Jan 7 in Science

1 answer 47 views

What is the term for the metabolic reaction where living systems build new molecules?

asked Jan 7 in Science

1 answer 29 views

What is the term for sheets of cells that form a boundary between a mass of cells and a cavity or space?

asked Jan 7 in Science

1 answer 24 views

What is a representation of the valence electrons of an atom that uses dots around the symbol of the element?

asked Jan 6 in Science

1 answer 40 views

Chlorine and bromine gases released into the atmosphere have helped damage what layer of the atmosphere?

answered Dec 30, 2024 in Science

1 answer 26 views

As the atoms approach one another, their electron clouds gradually begin to do what?

asked Dec 30, 2024 in Science

1 answer 40 views

What part of a cell do proteins travel to to be modified for the specific job they will do?

asked Dec 28, 2024 in Science

1 answer 48 views

What phenomenon sometimes causes harmful alleles to become fixed?

asked Dec 27, 2024 in Science

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