Recent activity by GertieDugdal

1 answer 30 views

How can the electronic and magnetic properties of molecular magnets be accurately predicted using quantum mechanical calculations?

asked 4 days ago in Quantum Chemistry

1 answer 26 views

How can the chemical engineering principles be applied to design a cost-effective and efficient system for the production of natural flavors using raw materials that are readily available?

asked 5 days ago in Chemical engineering

1 answer 43 views

Calculate the standard enthalpy change for the fusion of solid silver (Ag) at its melting point (961.78°C) to liquid silver (Ag) at the same temperature. Given the standard enthalpy of fusion of solid silver is 11.3 kJ/mol.

asked Feb 3 in Chemical thermodynamics

1 answer 49 views

Calculate the change in entropy (in J/K) for the following reaction at 298 K: 2CH3OH (l) + 3O2 (g) → 2CO2 (g) + 4H2O (l) Given the following standard entropy values (in J/K): CH3OH (l): 126.6, O2 (g): 205.0, CO2 (g): 213.6, H2O (l): 69.9

asked Jan 23 in Chemical thermodynamics

1 answer 51 views

Calculate the change in enthalpy (ΔH) for the combustion of 10 grams of propane (C3H8) if the heat released by the reaction is -2202 kJ.

asked Jan 23 in Chemical reactions

1 answer 55 views

Calculate the bond angles and molecular geometry of the methane (CH4) molecule by using quantum chemistry principles.

asked Jan 23 in Quantum Chemistry

1 answer 44 views

Assume a reaction has reached equilibrium in a 1-liter container. If the volume is now reduced to 0.5 liters, what is the effect on the equilibrium position of the reaction?

answered Jan 22 in Chemical equilibrium

1 answer 27 views

When is the door-in-the-face DITF technique most effective?

asked Jan 20 in Psychology

1 answer 58 views

Compare and contrast constructivism and behaviourism in understanding cognitive development.

answered Jan 17 in Psychology

1 answer 20 views

Where do psychoanalytic theories come from?

answered Jan 16 in Psychology

1 answer 41 views

What is the theories of psychosocial development?

answered Jan 15 in Psychology

1 answer 47 views

Which molecules in the body holds energy?

answered Jan 8 in Science

1 answer 24 views

Which law relates the pressure, volume, and temperature of a gas?

answered Jan 8 in Science

1 answer 29 views

What term is used to describe cells without a nucleus?

asked Jan 8 in Science

1 answer 10 views

What is a collection of fibrin, platelets, and erythrocytes that has accumulated along the lining of a blood vessel called?

asked Jan 6 in Science

1 answer 25 views

Some women experience cramping and pain before and during what monthly cycle?

answered Dec 31, 2024 in Science

1 answer 30 views

Images in what type of mirror are reversed left and right but not reversed top and bottom?

asked Dec 30, 2024 in Science

1 answer 51 views

What medical emergency occurs when a blood clot blocks blood flow to part of the brain, causing death of brain cells?

asked Dec 28, 2024 in Science

1 answer 36 views

White light is a mixture of all wavelengths of what?

asked Dec 27, 2024 in Science

1 answer 29 views

Over many generations, the resulting genetic diversity provides valuable raw material for what?

answered Dec 27, 2024 in Science

...