Recent activity by FatimaChatte

1 answer 62 views

What are some effective study techniques for managing time and reducing test anxiety when preparing for chemistry exams?

answered Jan 30 in Chemical education

1 answer 53 views

Calculate the enthalpy of combustion of ethanol (C2H5OH) if 45.1 g of ethanol is burned completely in excess oxygen, producing 145.5 kJ of heat energy.

asked Jan 23 in ThermoChemistry

1 answer 70 views

A chemical engineering company has a mixture of ethanol and water with a concentration of 30% ethanol to separate using a distillation column. The company needs to obtain a concentration of 80% ethanol in the distillate at a reflux ratio of 3. Calculate the number of theoretical plates required in the column for the separation, assuming no vapor or liquid bypass, and that the minimum vapor velocity is maintained.

answered Jan 22 in Chemical engineering

1 answer 29 views

When is the norm of reciprocity most influential?

asked Jan 20 in Psychology

1 answer 31 views

Where does the humanistic perspective focus in psychology?

answered Jan 16 in Psychology

1 answer 48 views

Where can you find empirical evidence for the concept of multiple masculinities?

answered Jan 15 in Psychology

1 answer 17 views

Who developed the psychosocial stages of development?

answered Jan 13 in Psychology

1 answer 56 views

What happens to volume as the temperature increases?

asked Jan 6 in Science

1 answer 20 views

What element is essential for amino acid and nucleic acid production?

asked Dec 27, 2024 in Science

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