Recent activity by RitaHer55753

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Calculate the standard enthalpy change for the reaction between [Fe(H2O)6]2+ and 2Cl- ions to produce [FeCl4]2- complex ion given that the enthalpy of formation for [FeCl4]2- is -392 kJ/mol and the enthalpies of hydration for Fe2+ and Cl- ions are -340 kJ/mol and -381 kJ/mol, respectively.

answered 2 days ago in Chemical thermodynamics

1 answer 44 views

How do changes in the secondary and tertiary structure of a protein affect its function? Provide specific examples.

answered 4 days ago in BioChemistry

1 answer 53 views

According to Social Identity Theory, how does a leader's identity influence perceptions of their effectiveness?

asked Jan 20 in Psychology

0 answers 47 views

How can attitude change be achieved?

asked Jan 20 in Psychology

1 answer 26 views

How does the concept of neuroplasticity relate to brain development?

answered Jan 15 in Psychology

1 answer 21 views

What is the psychological capital theory?

answered Jan 14 in Psychology

1 answer 41 views

While matter is recycled, ecosystems need a constant input of what?

asked Jan 8 in Science

1 answer 22 views

What mammalian structure allows the exchange of gases, nutrients, and other substances between the fetus and mother?

answered Jan 7 in Science

1 answer 22 views

What kind of lakes form when volcanic eruptions create holes that fill with water?

answered Jan 7 in Science

1 answer 19 views

What kind of bees are most adult bees in a hive?

answered Jan 7 in Science

1 answer 52 views

What is necessary for new alleles to be created?

answered Jan 6 in Science

1 answer 21 views

What is it called when plant roots absorb liquid water and release water vapor into the atmosphere?

answered Jan 6 in Science

1 answer 43 views

What historical event taught people that soil could be lost by plowing and growing crops and encouraged new methods to prevent erosion?

answered Jan 6 in Science

1 answer 22 views

Translucent matter is matter that transmits and does what else to light?

answered Jan 2 in Science

1 answer 54 views

The constant "c" can be specifically used to represent the (extremely fast) speed of what?

asked Dec 31, 2024 in Science

1 answer 23 views

How do plants obtain their energy?

answered Dec 30, 2024 in Science

1 answer 7 views

During asexual reproduction, fungi produce haploid spores by what process involving a haploid parent cell?

asked Dec 30, 2024 in Science

1 answer 28 views

Where in the atom is a neutron found?

asked Dec 28, 2024 in Science

1 answer 32 views

What is the male gamete called in humans?

answered Dec 27, 2024 in Science

1 answer 30 views

What are gymnosperms lacking compared to most angiosperms?

asked Dec 27, 2024 in Science

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