Recent activity by RosalieStock

1 answer 27 views

Calculate the standard enthalpy change for the vaporization of 100 g of water at 100°C given that the enthalpy of vaporization of water is 40.7 kJ/mol.

answered 2 days ago in Chemical thermodynamics

1 answer 31 views

Calculate the pH of a 0.2 M solution of acetic acid (Ka = 1.8 x 10^-5) at 25°C.

answered 2 days ago in Chemical reactions

1 answer 85 views

What is the concentration of iron (Fe) present in a given water sample using colorimetry as the analytical method, given that the absorbance at a wavelength of 565 nm is 0.423 and the molar absorptivity of the Fe-phenanthroline complex is 11,100 M^-1 cm^-1?

answered 6 days ago in Analytical Chemistry

1 answer 22 views

What is the fear-avoidance model of chronic pain?

asked Jan 16 in Psychology

1 answer 25 views

Who developed the Gottman Method of couples therapy?

answered Jan 15 in Psychology

1 answer 53 views

Who proposed the health belief model?

answered Jan 13 in Psychology

1 answer 17 views

Which term literally means 'spore in a vessel'?

asked Jan 8 in Science

1 answer 21 views

What is the process of generating electric current with a magnetic field?

asked Jan 7 in Science

1 answer 24 views

What includes the bones and cartilage?

answered Jan 6 in Science

1 answer 19 views

What helps fungus digest cellulose and other materials found in rotting matter?

asked Jan 6 in Science

1 answer 38 views

What female flower structure, which is part of the pistil, receives the pollen grains and passes them to the ovary?

asked Jan 6 in Science

1 answer 54 views

The combined magnetic force of the magnetized wire coil and iron bar makes an electromagnet what?

answered Dec 31, 2024 in Science

1 answer 27 views

After fertilization, how many cells does a zygote form into?

asked Dec 28, 2024 in Science

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