Recent activity by DongBunn9830

1 answer 49 views

How can we use liquid chromatography to analyze the composition of a sample containing a mixture of dyes?

asked Jan 30 in Analytical Chemistry

1 answer 51 views

Calculate the Gibbs free energy change at standard conditions for the combustion of propane:C3H8(g) + 5O2(g) → 3CO2(g) + 4H2O(l) Given the standard enthalpy of formation data: ΔH°f(CO2(g)) = -393.5 kJ/mol ΔH°f(H2O(l)) = -285.8 kJ/mol ΔH°f(C3H8(g)) = -103.85 kJ/mol and the standard entropy data: S°(CO2(g)) = 213.6 J/(mol•K) S°(H2O(l)) = 69.9 J/(mol•K) S°(C3H8(g)) = 269.9 J/(mol•K)

asked Jan 23 in Chemical thermodynamics

1 answer 49 views

Balance the following chemical equation for the reaction between iron (II) sulfide and hydrochloric acid:FeS + HCl → FeCl2 + H2S

answered Jan 21 in Inorganic Chemistry

1 answer 40 views

Who is more likely to be influenced by stereotype threat?

answered Jan 20 in Psychology

1 answer 28 views

When might negative attachment experiences occur?

asked Jan 20 in Psychology

1 answer 7 views

What are the similarities between instrumental and expressive leadership?

asked Jan 17 in Psychology

1 answer 27 views

Compare the potential therapeutic effects of cannabinoids and opioids.

asked Jan 16 in Psychology

1 answer 32 views

What is the handicap principle?

answered Jan 15 in Psychology

1 answer 41 views

What is mindfulness-based CBT?

answered Jan 14 in Psychology

1 answer 61 views

What is produced when an egg is fertilized by a sperm in a fallopian tube?

asked Jan 6 in Science

1 answer 28 views

What cycle is the second stage of cellular respiration?

asked Jan 6 in Science

1 answer 53 views

There is a predictable amount of solute that can be dissolved at what?

answered Jan 2 in Science

1 answer 32 views

Different colors of light differ in terms of which important attribute?

asked Dec 30, 2024 in Science

1 answer 29 views

Clouds are formed from what?

answered Dec 30, 2024 in Science

1 answer 30 views

Pathogens infect many animals and are agents of what?

answered Dec 27, 2024 in Science

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