Recent activity by Madeleine39P

1 answer 79 views

A chemistry student has 20 grams of sodium hydroxide and 25 grams of hydrochloric acid. What is the limiting reactant in the reaction and how much product can be formed? (Assuming the balanced equation is NaOH + HCl → NaCl + H2O)

asked Jan 22 in Chemical reactions

1 answer 7 views

A chemical engineer needs to separate a mixture of ethanol and water using a distillation column. The feed to the column has 30 mol% ethanol and 70 mol% water, and the desired distillate composition is 95 mol% ethanol. The feed rate is 100 kmol/hour and the reflux ratio is 2. Calculate the number of theoretical trays required in the column to achieve the desired distillate composition.

answered Jan 22 in Chemical engineering

1 answer 24 views

When is the door-in-the-face DITF technique most effective?

answered Jan 20 in Psychology

1 answer 10 views

How do bottom-up and top-down attentional processing relate to the design of user interfaces?

asked Jan 20 in Psychology

1 answer 13 views

Please evaluate the spotlight model of attention.

asked Jan 16 in Psychology

1 answer 4 views

Who proposed the theoretical orientation of client-centred therapy?

answered Jan 15 in Psychology

1 answer 37 views

What is the importance of diversity in community psychology?

answered Jan 14 in Psychology

1 answer 49 views

What is the difference between the central nervous system and the peripheral nervous system?

asked Jan 14 in Psychology

1 answer 26 views

What is the continuing bond theory of grief?

answered Jan 14 in Psychology

1 answer 18 views

What is the availability heuristic?

asked Jan 10 in Psychology

1 answer 16 views

What organs filter blood and form urine?

asked Jan 7 in Science

1 answer 5 views

The urinary system can be considered a smaller part of what other body system?

answered Jan 2 in Science

1 answer 9 views

Crossover occurs between non-sister chromatids of which chromosomes?

answered Dec 30, 2024 in Science

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