Recent activity by IngridMarcha

1 answer 20 views

Calculate the standard enthalpy change for the vaporization of 10 grams of water at 100°C, given that the enthalpy of vaporization for water is 40.7 kJ/mol.

asked 2 days ago in Chemical thermodynamics

1 answer 35 views

Calculate the standard enthalpy change for the formation of ammonia gas from nitrogen gas and hydrogen gas using Hess's Law, given the following equations and their corresponding enthalpy changes:N2(g) + 3H2(g) → 2NH3(g) ∆H = -92.4 kJ/molN2(g) → 2N(g) ∆H = 941 kJ/molH2(g) → 2H(g) ∆H = 436 kJ/mol

asked 2 days ago in ThermoChemistry

1 answer 47 views

Calculate the enthalpy of oxidation of methane gas (CH4) at standard conditions given the following information:- Enthalpy of formation of CH4 = -74.8 kJ/mol- Enthalpy of formation of H2O = -285.8 kJ/mol- Enthalpy of formation of CO2 = -393.5 kJ/mol

answered Jan 23 in ThermoChemistry

2 answers 31 views

Which layer is the lithosphere located?

answered Jan 23 in Science

1 answer 17 views

According to the feature integration theory, what is the role of attention in binding features?

asked Jan 17 in Psychology

1 answer 20 views

What is the difference between primary and secondary ageing?

answered Jan 16 in Psychology

1 answer 27 views

According to Lawrence Kohlberg, what are the stages of moral development?

answered Jan 15 in Psychology

1 answer 13 views

What is the continuity theory?

asked Jan 14 in Psychology

1 answer 9 views

When an electron transitions from an excited state to a less excited state, or ground state, the difference in energy is emitted as a what?

answered Jan 8 in Science

1 answer 26 views

What will you see if you look at a star through a prism?

answered Jan 8 in Science

1 answer 22 views

In addition to a nucleus what do eukaryotic cells have?

asked Dec 31, 2024 in Science

1 answer 67 views

Binary fission is an example of which type of production?

answered Dec 30, 2024 in Science

1 answer 7 views

What are polymers composed of many sugar building blocks called?

answered Dec 27, 2024 in Science

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