Recent activity by Julio140610

1 answer 22 views

How can computational studies of enzyme catalysis help in the development of new drugs for treating diseases?

asked 15 hours ago in Computational Chemistry

1 answer 28 views

Calculate the standard enthalpy of formation of water using Hess's law and the following data:2H2(g) + O2(g) -> 2H2O(g) ΔH°rxn = -484 kJ/molH2(g) + 1/2O2(g) -> H2O(l) ΔH°rxn = -286 kJ/mol

asked 2 days ago in Chemical thermodynamics

1 answer 49 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 50 views

A chemistry student wants to determine the percent composition of calcium oxide in a given sample of limestone. The student does an experiment and obtains the mass of the limestone sample, the mass of carbon dioxide evolved upon heating the limestone, and the mass of calcium oxide left behind. Using mass balance calculations, determine the percent composition of calcium oxide in the limestone sample.

answered Jan 22 in Analytical Chemistry

1 answer 56 views

According to the cognitive-behavioural theory, how can negative thinking influence depression?

answered Jan 20 in Psychology

1 answer 22 views

What is a potential solution for reducing conflict based on the situational model?

answered Jan 17 in Psychology

1 answer 16 views

Why is a two-way ANOVA used?

answered Jan 17 in Psychology

1 answer 5 views

According to the operant conditioning model, what is the cause of addiction?

asked Jan 16 in Psychology

1 answer 8 views

According to the social learning theory, how do children learn aggressive behaviour?

asked Jan 15 in Psychology

1 answer 23 views

When does the Elaboration Theory suggest elaboration should be used?

answered Jan 15 in Psychology

1 answer 34 views

How does the humanistic-existential perspective explain personality disorders?

answered Jan 15 in Psychology

1 answer 36 views

What is the cognitive theory of adolescent development?

asked Jan 13 in Psychology

1 answer 35 views

What type of galaxies have a rotating disk of stars and dust, a bulge in the middle, and several arms?

answered Jan 8 in Science

1 answer 22 views

What is the particular sequence of amino acids in a longer chain called?

asked Jan 7 in Science

1 answer 54 views

What is the basis of the classification of protists?

asked Jan 6 in Science

1 answer 7 views

In sexual reproduction, two of what unite to produce an offspring?

answered Dec 31, 2024 in Science

1 answer 10 views

Aldehydes, ketones, carboxylic acids, esters, and ethers all have functional groups containing what element?

asked Dec 30, 2024 in Science

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