Recent activity by MargaretaWil

1 answer 31 views

Calculate the value of standard enthalpy change for the sublimation of solid iodine at 25°C. The molar heat capacity of iodine (s) is 54.44 J/mol·K and its molar entropy of sublimation is 62.43 J/mol·K. The standard entropy of formation of iodine (s) is 62.80 J/mol·K.

asked 2 days ago in Chemical thermodynamics

1 answer 20 views

Calculate the standard enthalpy change for the sublimation of iodine (I2) using the given information: The standard enthalpy of fusion of iodine is 15.52 kJ/mol and the standard enthalpy of vaporization of iodine is 41.57 kJ/mol.

answered 2 days ago in Chemical thermodynamics

1 answer 34 views

Calculate the enthalpy of precipitation when 50.0 mL of 0.200 M BaCl2(aq) is added to 30.0 mL of 0.150 M Na2SO4(aq).

asked Jan 23 in ThermoChemistry

1 answer 22 views

According to Richard Lazarus' appraisal theory of stress, why do people experience stress?

asked Jan 15 in Psychology

1 answer 16 views

What is the concept of zone of proximal development?

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1 answer 34 views

Explain the self-fulfilling prophecy

answered Jan 13 in Psychology

1 answer 45 views

Which process helps deaminate amino acids?

asked Jan 8 in Science

1 answer 18 views

How many pairs of upper jaws do insects have?

asked Dec 30, 2024 in Science

1 answer 44 views

How do most reptiles produce?

answered Dec 30, 2024 in Science

1 answer 32 views

Chromatin condenses into chromosomes during prophase, the first and longest phase of what process?

asked Dec 30, 2024 in Science

1 answer 56 views

What is the term for organisms that can maintain a stable body temperature even in the face of large fluctuations in the environmental temperature?

asked Dec 27, 2024 in Science

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