Questions by DarbyReis18

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1 answer 32 views

Calculate the standard enthalpy change for the fusion of 2.5 moles of solid sulfur (S8) at its melting point (388 K) using the given information: ΔHfus = 9.73 kJ/mol ΔSfus = 22.8 J/(mol*K) The molar heat capacity of solid sulfur is 22.75 J/(mol*K) and the heat capacity of the liquid sulfur is 37.05 J/(mol*K).

asked 2 days ago in Chemical thermodynamics

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1 answer 49 views

What is the difference between an amino acid and a nucleotide, and how does their chemical structure affect their function within a biological system?

asked 5 days ago in Organic Chemistry

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1 answer 74 views

Using nuclear magnetic resonance spectroscopy, determine the structure and functional groups present in an unknown organic compound with a molecular formula of C10H12O2.

asked 6 days ago in Analytical Chemistry

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1 answer 42 views

Calculate the enthalpy of ionization of magnesium if 4.8 g of magnesium reacts completely with hydrochloric acid to form 224 mL of hydrogen gas at standard temperature and pressure (STP). The heat released during the reaction is -412 kJ/mol.

asked Jan 23 in ThermoChemistry

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1 answer 24 views

According to the socio-cultural theory, what is the role of social support in anxiety?

asked Jan 17 in Psychology

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1 answer 21 views

What is the stream of consciousness?

asked Jan 14 in Psychology

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1 answer 20 views

What are some common types of anxiety disorders?

asked Jan 14 in Psychology

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1 answer 16 views

What is encoding specificity?

asked Jan 14 in Psychology

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1 answer 42 views

What shape is the gametophyte in ferns?

asked Jan 7 in Science

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1 answer 35 views

What does the cell cycle do?

asked Jan 6 in Science

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1 answer 61 views

What are the structural and functional units of the kidney called?

asked Jan 6 in Science

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1 answer 30 views

Amino acids are joined together to form a chain at what molecular structure?

asked Dec 30, 2024 in Science

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1 answer 7 views

In plants, pigment molecules absorb only visible light for photosynthesis. the visible light seen by humans as white light actually exists in a what?

asked Dec 28, 2024 in Science

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1 answer 49 views

What chromosome determines the sex of an organism?

asked Dec 28, 2024 in Science

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