Recent activity by RosalineStar

1 answer 21 views

Calculate the standard enthalpy change of the following reduction reaction if the standard enthalpy of formation of FeO is -272.0 kJ/mol and that of Fe is 0 kJ/mol.FeO(s) + H2(g) → Fe(s) + H2O(l)

asked 2 days ago in ThermoChemistry

1 answer 39 views

A chemistry lab has 20 grams of magnesium and 30 grams of hydrochloric acid. What is the exact amount (in grams) of magnesium chloride that will be produced in a complete reaction between magnesium and hydrochloric acid?

asked Jan 22 in Chemical reactions

1 answer 23 views

Who proposed the gate control theory?

answered Jan 16 in Psychology

1 answer 20 views

According to social learning theory, how are behaviours learned?

answered Jan 16 in Psychology

1 answer 62 views

What is a gender stereotype?

asked Jan 16 in Psychology

1 answer 28 views

How is the diffusion of innovation theory used in community psychology?

asked Jan 15 in Psychology

1 answer 41 views

What is the Big Five personality trait theory?

asked Jan 15 in Psychology

1 answer 14 views

What is acute stress?

asked Jan 14 in Psychology

1 answer 9 views

Which rule is a result of trends in energies and is useful in explaining why atoms form the ions that they do?

asked Jan 8 in Science

1 answer 7 views

What do you call the type of molecular signals that include insulin and that help regulate a number of biochemical processes?

answered Jan 6 in Science

1 answer 43 views

In the mammal family, what is the name for hoofed animals, such as deer, sheep, goats, pigs, buffalo, elephants and giraffes?

asked Dec 31, 2024 in Science

1 answer 28 views

How do seed plants benefit from herbivores?

asked Dec 30, 2024 in Science

1 answer 24 views

Comparing anatomy, and characterizing the similarities and differences, provides evidence of what process?

answered Dec 30, 2024 in Science

1 answer 17 views

A wave is the transfer of energy through what else?

asked Dec 30, 2024 in Science

1 answer 36 views

Excretory organs that conserve what essential substance help terrestrial animals to avoid desiccation?

asked Dec 27, 2024 in Science

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