Recent activity by UtaReuter96

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Calculate the enthalpy of solution for 10.0 g of potassium chloride (KCl) dissolved in 100 mL of water, given that the temperature of the solution decreases from 25°C to 20°C. Assume the heat capacity of the solution to be 4.184 J/g°C and that there is no heat loss to the surroundings.

asked Jan 23 in ThermoChemistry

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A student performed an experiment to synthesize aspirin using 5 grams of salicylic acid and an excess of acetic anhydride. After the reaction was completed, the student collected 4.2 grams of aspirin. What is the percent yield of this experiment?

answered Jan 22 in Chemical reactions

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What is the name of the theory that suggests that our behaviour is shaped by our childhood experiences?

asked Jan 20 in Psychology

1 answer 30 views

What is the difference between intuition and insight?

asked Jan 17 in Psychology

1 answer 42 views

What is the role of dopamine in addiction?

answered Jan 17 in Psychology

1 answer 8 views

What is the main advantage of the levels of processing model?

answered Jan 16 in Psychology

1 answer 21 views

According to the social identity theory, what is the social identity?

asked Jan 16 in Psychology

1 answer 31 views

What is depression?

asked Jan 13 in Psychology

1 answer 19 views

Who wrote the book, on the origin of species?

asked Jan 8 in Science

1 answer 18 views

When plants lose their leaves in the fall, what chemical is produced less to cause the change?

asked Jan 8 in Science

1 answer 24 views

What travels at the interface between the sea surface and the atmosphere?

answered Jan 8 in Science

1 answer 26 views

What process do all species use to make the next generation?

answered Jan 7 in Science

1 answer 48 views

What is freshwater below the earth's surface called?

answered Jan 6 in Science

1 answer 7 views

What is considered the smallest unit of life?

asked Jan 6 in Science

1 answer 42 views

Because dizygotic twins develop from two eggs fertilized by two sperm, they are no more identical than siblings born at what?

answered Dec 30, 2024 in Science

1 answer 21 views

An experiment generates what to support a hypothesis?

answered Dec 28, 2024 in Science

1 answer 17 views

What is the name for the inner lining of the uterus?

asked Dec 27, 2024 in Science

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