Recent activity by MaybelleKram

1 answer 36 views

Determine the oxidation state of the chromium atom in the compound potassium dichromate (K2Cr2O7).

asked 6 days ago in Inorganic Chemistry

1 answer 37 views

Calculate the standard enthalpy change for the reaction: 2Fe(s) + 3/2O2(g) → Fe2O3(s), given that the standard enthalpy of formation for Fe2O3(s) is -824.2 kJ/mol, the standard enthalpy of formation for Fe(s) is 0 kJ/mol, and the standard enthalpy of formation for O2(g) is 0 kJ/mol.

asked Feb 3 in Chemical thermodynamics

1 answer 32 views

According to cognitive-behavioural theory, how can stereotypes and biases be changed?

asked Jan 20 in Psychology

1 answer 8 views

What is the difference between correlation and causation in psychological research?

asked Jan 17 in Psychology

1 answer 32 views

Who developed the meaning reconstruction model of grief?

answered Jan 15 in Psychology

1 answer 42 views

How can classical conditioning be applied in the treatment of phobias?

asked Jan 15 in Psychology

1 answer 25 views

What are confounding variables?

asked Jan 14 in Psychology

1 answer 9 views

What is the relationship of multiple action potentials from a single cell resulting in a significant change in the membrane potential?

answered Jan 7 in Science

1 answer 55 views

The help with diffusion comes from special proteins in the membrane known as what?

answered Jan 2 in Science

1 answer 27 views

Exposure to what can increase the amount of pigment in the skin and make it appear darker?

asked Dec 30, 2024 in Science

1 answer 31 views

Deep ocean currents are caused by differences in what property at the top and bottom?

answered Dec 30, 2024 in Science

1 answer 13 views

Birds possess a cloaca, a structure that allows water to be reabsorbed from waste back into this?

asked Dec 30, 2024 in Science

1 answer 28 views

Which system carries out long-distance transport of materials between the root and shoot systems?

answered Dec 27, 2024 in Science

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