Recent activity by MamieGreenwe

1 answer 51 views

What is the predicted reactivity trend of alkaline earth metals and halogens based on their electronic configurations?

asked 6 days ago in Inorganic Chemistry

1 answer 68 views

What is the effect of adding a catalyst on the equilibrium position of a redox reaction between iron(III) oxide and carbon monoxide, where iron is reduced and carbon is oxidized according to the following equation?Fe2O3 + 3CO ⇆ 2Fe + 3CO2 Calculate the equilibrium constant (Kp) of the reaction at 298 K in the presence and absence of a catalyst. Explain whether or not the presence of the catalyst will affect the position of equilibrium and justify the answer with relevant calculations.

answered 6 days ago in Chemical equilibrium

1 answer 57 views

How can capillary electrophoresis be used to analyze the composition of a sample containing multiple positively charged molecules with similar charge-to-mass ratios, such as amino acids, and what is the theoretical basis of this separation technique?

asked Jan 29 in Analytical Chemistry

1 answer 55 views

Calculate the enthalpy change of the following reaction: 2C(s) + 2H2(g) + 5O2(g) -> 2CO2(g) + 2H2O(l) Given the enthalpies of formation of CO2(g), H2O(l), and H2(g) are -393.5 kJ/mol, -285.8 kJ/mol, and -241.8 kJ/mol, respectively.

answered Jan 23 in ThermoChemistry

1 answer 28 views

What is sensory memory displacement?

asked Jan 20 in Psychology

1 answer 49 views

When might prolonged exposure therapy be used?

answered Jan 20 in Psychology

1 answer 46 views

What are some criticisms of the humanistic theory of personality?

answered Jan 13 in Psychology

1 answer 10 views

What thin layer of air acts as a barrier to prevent cool air from mixing with warm air in the stratosphere?

asked Jan 8 in Science

1 answer 25 views

What term means taking used items and materials and turning them into something new?

answered Jan 8 in Science

1 answer 24 views

The electromagnetic spectrum represents the full range of frequency of what type of wave?

asked Jan 2 in Science

1 answer 32 views

In science, what is a bit of information that is true?

asked Dec 31, 2024 in Science

1 answer 24 views

How are the number of moles of carbon dioxide gas calculated?

asked Dec 30, 2024 in Science

1 answer 9 views

What phase follows ovulation?

asked Dec 27, 2024 in Science

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