Questions by ErnestinaB30

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Calculate the standard enthalpy of formation of methane gas (CH4) given the standard enthalpies of formation for carbon dioxide (CO2) (-393.5 kJ/mol) and water vapor (H2O) (-241.8 kJ/mol).

asked 2 days ago in ThermoChemistry

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1 answer 46 views

How can gas chromatography be used to identify and quantify the components present in a mixture of organic compounds such as gasoline?

asked Jan 29 in Analytical Chemistry

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1 answer 18 views

What is Piaget's concrete operational stage?

asked Jan 20 in Psychology

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1 answer 16 views

How can inferential statistics provide information about psychological variables?

asked Jan 17 in Psychology

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1 answer 18 views

How does biopsychology relate to the study of addiction?

asked Jan 17 in Psychology

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1 answer 8 views

When does the appraisal theory suggest self-esteem is important?

asked Jan 15 in Psychology

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1 answer 21 views

What is the main goal of historical research in psychology?

asked Jan 15 in Psychology

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1 answer 24 views

What is the function of the superego in Freud's theory?

asked Jan 13 in Psychology

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1 answer 20 views

Iridescent green beetles, known as jewel beetles, change color because of the light-reflecting properties of the cells that make up this?

asked Dec 31, 2024 in Science

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1 answer 21 views

Marine fishes take in divalent ions by incessantly drinking what?

asked Dec 27, 2024 in Science

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