Recent activity by Rosalyn18824

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Calculate the quantity of heat required to melt 50.0 g of ice at its melting point (0°C). The enthalpy of fusion of water is 6.01 kJ/mol.

answered 2 days ago in ThermoChemistry

1 answer 44 views

How can liquid chromatography be used to determine the concentration of a specific compound in a mixture containing multiple compounds? Provide step-by-step procedures for preparing the sample, selecting appropriate chromatographic conditions, analyzing the sample, and quantifying the compound of interest.

answered Jan 29 in Analytical Chemistry

1 answer 61 views

What is the incentive-sensitization theory of addiction?

answered Jan 20 in Psychology

1 answer 17 views

What are the implications of the cognitive perspective on attention for understanding cognitive overload?

asked Jan 20 in Psychology

1 answer 17 views

What is systematic observation?

answered Jan 16 in Psychology

1 answer 7 views

What is the Y-BOCS?

asked Jan 14 in Psychology

1 answer 21 views

What is the difference between a stereotype and a prejudice?

answered Jan 14 in Psychology

1 answer 20 views

What is the interference theory of forgetting?

answered Jan 14 in Psychology

1 answer 24 views

What type of electrons do all group 14 elements have four of?

asked Jan 8 in Science

1 answer 45 views

What two elements primarily make up the sun?

asked Jan 8 in Science

1 answer 34 views

What kind of a resource is soil, for human purposes?

asked Jan 7 in Science

1 answer 17 views

What form when a single atom gains or loses electrons?

asked Jan 6 in Science

1 answer 23 views

The epidermis of the leaf consists of a single layer of which cells?

asked Jan 2 in Science

1 answer 26 views

The axon contains microtubules and neurofilaments that are bounded by a plasma membrane known as what?

answered Dec 31, 2024 in Science

1 answer 22 views

In addition to glucose, what gas is used during cellular respiration?

answered Dec 31, 2024 in Science

1 answer 26 views

Fish and other aquatic organisms use gills to capture dissolved what?

asked Dec 30, 2024 in Science

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