Recent activity by MichellHenni

1 answer 24 views

Calculate the standard enthalpy change (∆H°) of combustion for methane gas (CH4) given that the heat of formation (∆Hf°) for methane is -74.87 kJ/mol and the heat of formation (∆Hf°) for carbon dioxide (CO2) is -393.51 kJ/mol, and the heat of formation (∆Hf°) for water (H2O) is -285.83 kJ/mol.

asked 2 days ago in Chemical thermodynamics

1 answer 76 views

What is the concentration of chloride ions (Cl-) in a sample of Tap Water using capillary electrophoresis?

asked 6 days ago in Analytical Chemistry

1 answer 42 views

Calculate the heat required to sublime 20.0 grams of dry ice (solid carbon dioxide) at a temperature of -78.5 °C, given the heat of sublimation of CO2 is 25.2 kJ/mol.

answered Jan 23 in ThermoChemistry

1 answer 42 views

When was the Tuskegee Syphilis Study conducted?

asked Jan 20 in Psychology

1 answer 23 views

Where does the debate between ethical and non-ethical research methods take place?

answered Jan 20 in Psychology

1 answer 14 views

Who coined the phrase 'nature vs. nurture'?

answered Jan 17 in Psychology

1 answer 6 views

Where does pragmatism fit in the spectrum of qualitative research?

asked Jan 16 in Psychology

1 answer 18 views

How can you reduce the likelihood of Type I errors?

asked Jan 14 in Psychology

1 answer 22 views

What is the difference between normative and non-normative life events?

answered Jan 14 in Psychology

1 answer 23 views

Which type of cell can carry out more functions, eukaryotic cells or prokaryotic cells?

asked Jan 8 in Science

1 answer 23 views

What country put seven salyut space stations into orbit between 1971 and 1982?

answered Jan 6 in Science

1 answer 21 views

Platforms, arches, and sea stacks are all landforms created by what?

asked Dec 31, 2024 in Science

1 answer 8 views

Like the energy content in food, the energy expenditures of exercise are also reported in what units?

asked Dec 31, 2024 in Science

1 answer 9 views

Endocytosis and exocytosis are types of vesicle transport that carry very large molecules across what structure?

asked Dec 30, 2024 in Science

1 answer 23 views

Each enhancer is made up of short dna sequences called what?

asked Dec 30, 2024 in Science

1 answer 26 views

What is the process of converting atmospheric nitrogen to ammonia called?

asked Dec 27, 2024 in Science

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