Recent activity by DaleHayden7

1 answer 31 views

Determine the VSEPR geometry of PCl5 molecule and predict the bond angles.

asked 1 day ago in Chemical bonding

1 answer 26 views

Calculate the standard enthalpy change for the complete combustion of methane (CH4) at constant pressure and 298 K, given that the standard enthalpies of formation for CH4(g) and H2O(l) are -74.8 kJ/mol and -285.8 kJ/mol, respectively.

answered 2 days ago in Chemical thermodynamics

1 answer 44 views

How does changing the temperature of a chemical reaction affect the activation energy barrier in the reaction? Use computational chemistry and molecular modeling to calculate the activation energy barriers for the same reaction at different temperatures and explain the change in activation energy with temperature.

answered 2 days ago in Physical Chemistry

1 answer 31 views

Calculate the enthalpy of adsorption of hydrogen gas on activated carbon if 2 grams of activated carbon absorb 0.025 moles of hydrogen gas at 298 K and the pressure of the system is 1 atm. The molar enthalpy of hydrogen gas is -285.8 kJ/mol at constant pressure.

asked Jan 23 in ThermoChemistry

1 answer 48 views

Please evaluate the Freud's psychoanalytic theory.

asked Jan 17 in Psychology

1 answer 6 views

How can abnormal psychology inform the development of AI models used in mental health care?

answered Jan 17 in Psychology

1 answer 30 views

According to the ecological systems theory, what are the five systems that influence development?

asked Jan 16 in Psychology

1 answer 23 views

What is the difference between nature and nurture in relation to development?

asked Jan 14 in Psychology

1 answer 30 views

What is the difference between problem-solving coping and seeking social support?

answered Jan 14 in Psychology

1 answer 27 views

Which system is divided into the somatic and autonomic nervous systems?

answered Jan 8 in Science

1 answer 21 views

What plant hormone allows plants to curve in a specific direction?

asked Jan 7 in Science

1 answer 20 views

The plasma membrane pulls away from the cell wall as it shrivels. what is this process called?

asked Dec 27, 2024 in Science

1 answer 20 views

Baroreceptors in the aortic arch and carotid sinuses monitor what level in the body?

asked Dec 27, 2024 in Science

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