Recent activity by DanielleCand

1 answer 24 views

How can practical applications of chemistry be incorporated into the curriculum to improve the understanding and relevance of the subject for students?

asked 13 hours ago in Chemical education

1 answer 28 views

Calculate the pH of a buffer solution consisting of 0.1 M acetic acid and 0.1 M sodium acetate, given that the dissociation constant (Ka) of acetic acid is 1.8x10^-5.

answered 2 days ago in Chemical reactions

1 answer 40 views

How effective have environmental regulations been in controlling the release of hazardous chemicals into water bodies and protecting marine life in the United States?

asked 5 days ago in Environmental Chemistry

1 answer 47 views

Calculate the enthalpy change for the hydrolysis of sucrose given that 10.0 g of sucrose was completely hydrolyzed in excess water. The reaction takes place at 25°C and 1 atm pressure. The following reaction is involved: C12H22O11(s) + H2O(l) → 12C(s) + 11H2O(l) The enthalpy of formation of C12H22O11(s) is -2226.8 kJ/mol and the enthalpy of formation of H2O(l) is -285.8 kJ/mol.

asked Jan 23 in ThermoChemistry

1 answer 7 views

How does statistical significance relate to theory in psychology?

asked Jan 20 in Psychology

1 answer 33 views

According to the trichromatic theory, why do we perceive yellow when we see light with equal amounts of red and green wavelengths?

answered Jan 17 in Psychology

1 answer 22 views

What is water vapor density known as?

asked Jan 7 in Science

1 answer 24 views

What is the length of the route between two points?

answered Jan 7 in Science

1 answer 18 views

What are single-celled or colonial organisms that do not have membranebound nuclei?

asked Jan 3 in Science

1 answer 66 views

Solid-state radiation detectors convert ionization produced in a semiconductor (like those found in computer chips) directly into what?

answered Dec 31, 2024 in Science

1 answer 32 views

Alveolar ducts and broncioles are developing parts of what organ system?

answered Dec 30, 2024 in Science

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