Questions by Jannette93D8

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1 answer 57 views

What are some effective study strategies and techniques that can help improve preparation for chemistry exams?

asked 6 days ago in Chemical education

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1 answer 56 views

A chemistry student wants to mix 50 mL of water at 25°C with 50 mL of ethanol at 25°C to make a solution. The heat of mixing for water and ethanol is -21.2 kJ/mol. Calculate the heat (in kJ) absorbed or released when the two liquids are mixed. (Assume the densities of water and ethanol are approximately 1 g/mL and 0.8 g/mL, respectively.)

asked Jan 22 in ThermoChemistry

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1 answer 11 views

Why is a two-way ANOVA used?

asked Jan 17 in Psychology

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1 answer 35 views

What is the purpose of the superego in psychoanalytic theory?

asked Jan 14 in Psychology

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1 answer 8 views

Why is respiratory acidosis considered to be problematic?

asked Jan 8 in Science

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1 answer 19 views

What kind of weather change do la nina years usually bring?

asked Jan 7 in Science

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1 answer 5 views

What kind of behavior occurs only after experience or practice and describes most human behaviors?

asked Jan 7 in Science

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1 answer 30 views

What are convection currents that occur far below the surface of the ocean called?

asked Jan 2 in Science

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1 answer 42 views

Like mammals and birds, and unlike other reptiles, crocodiles have how many chambers in their heart?

asked Dec 31, 2024 in Science

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1 answer 25 views

Chromosomes consist of what material made up of strings of dna?

asked Dec 27, 2024 in Science

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1 answer 31 views

What works by selecting for alleles that confer beneficial traits or behaviors, while selecting against those for deleterious qualities?

asked Dec 27, 2024 in Science

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