Recent activity by RaquelGendro

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Calculate the standard enthalpy of formation (ΔH°f) for butane (C4H10) given the following data:ΔH°f (kJ/mol)C(s) 0H2(g) 0C2H6(g) -84.7C3H8(g) -103.8Note: You may assume that butane undergoes complete combustion to form CO2(g) and H2O(l) and that the standard enthalpies of combustion for C4H10, CO2, and H2O are -2877.2, -393.5, and -285.8 kJ/mol, respectively.

asked 2 days ago in Chemical thermodynamics

1 answer 45 views

How can we make chemistry more engaging and interesting for students who lack motivation and interest in the subject?

answered 6 days ago in Chemical education

1 answer 57 views

How can potentiometry be used to determine the concentration of chloride ions in a water sample collected from a lake?

asked Jan 29 in Analytical Chemistry

1 answer 41 views

Calculate the change in internal energy of a system that releases 350 J of heat to the surroundings and does 200 J of work on its surroundings?

asked Jan 23 in Physical Chemistry

1 answer 33 views

What is the IUPAC name of a cycloalkane compound with 8 carbon atoms in its ring?

asked Jan 21 in Organic Chemistry

1 answer 5 views

How can t-tests inform us about differences between two groups in psychology research?

asked Jan 20 in Psychology

1 answer 50 views

When was the concept of dual process theory introduced to cognitive psychology?

answered Jan 17 in Psychology

1 answer 28 views

What is the 'Integrated Threat Theory'?

answered Jan 15 in Psychology

1 answer 7 views

According to the social learning theory, what is the role of environment in shaping adolescent behaviour?

answered Jan 15 in Psychology

1 answer 36 views

What is the difference between intensity and loudness?

asked Jan 15 in Psychology

1 answer 44 views

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

answered Jan 7 in Science

1 answer 32 views

What is the change of state from a solid to a gas without passing through the liquid state?

asked Jan 6 in Science

1 answer 26 views

Unlike ionic compounds, covalent compounds do not have freely moving what?

answered Jan 2 in Science

1 answer 25 views

Just as the reaction of a diol and a diacid forms a polyester, the reaction of a diacid and a diamine yields this?

answered Dec 31, 2024 in Science

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