Recent activity by BrendaTilton

1 answer 24 views

Calculate the standard enthalpy of formation, ΔH°f, of carbon dioxide (CO2) gas given the following thermochemical equations: C(s) + O2(g) → CO2(g) ΔH°rxn = -393.5 kJ/mol C(s) + O2(g) → CO(g) ΔH°rxn = -110.5 kJ/mol CO(g) + 1/2 O2(g) → CO2(g) ΔH°rxn = -283.0 kJ/mol Assume that all reactants and products are in their standard states.

answered 2 days ago in ThermoChemistry

1 answer 31 views

How does changing the reaction mechanism affect the rate of reaction, and what factors influence the activation energy of a particular reaction?

asked 2 days ago in Chemical kinetics

1 answer 5 views

What is the most environmentally-friendly and economically viable renewable energy source currently available, considering its impact on the global carbon footprint, local air and water pollution, land use, and potential for scalability? Compare and contrast the advantages and disadvantages of wind, solar, hydropower, and geothermal sources in your analysis.

asked 5 days ago in Environmental Chemistry

1 answer 42 views

How can we identify the presence of carbonyl groups in a given compound using UV-Vis spectroscopy and which literature values can we compare our results to for verification?

answered Jan 29 in Analytical Chemistry

1 answer 23 views

When did the DSM-5 change Asperger's syndrome to autism spectrum disorder ASD ?

asked Jan 20 in Psychology

1 answer 50 views

What was Milgram's obedience study?

asked Jan 20 in Psychology

1 answer 22 views

When can children begin to take on others' perspectives?

asked Jan 17 in Psychology

1 answer 28 views

According to the transactional theory, what is the relationship between stress and anxiety?

answered Jan 17 in Psychology

1 answer 20 views

What is the difference between the deductive and inductive approaches?

answered Jan 16 in Psychology

1 answer 26 views

What is self-fulfilling prophecy?

asked Jan 13 in Psychology

1 answer 27 views

What is the fundamental attribution error?

asked Jan 13 in Psychology

1 answer 25 views

What type of minerals are often found where seas once covered the land?

answered Jan 8 in Science

1 answer 22 views

What are non-renewable sources of energy that produce environmental damage?

answered Jan 3 in Science

1 answer 18 views

What are alkenes organic compounds that contain one or more double or triple bonds between carbon atoms described as?

asked Jan 2 in Science

1 answer 21 views

Platinum and gold are useful materials for constructing circuits because of their ability to resist what?

answered Dec 31, 2024 in Science

1 answer 30 views

How are electrons shared in covalent bonds?

asked Dec 30, 2024 in Science

1 answer 28 views

Giardia is an example of a protozoa that uses flagella for what purpose?

asked Dec 30, 2024 in Science

1 answer 43 views

A complementary pair of chromosomes have genes for the same characteristics in the same location on the chromosome are known as?

answered Dec 30, 2024 in Science

1 answer 38 views

What do you call any device that makes work easier by changing a force?

asked Dec 28, 2024 in Science

1 answer 24 views

What produces microspores that develop into pollen grains containing male gametophytes?

answered Dec 27, 2024 in Science

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