Answers by DaniloMichel

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Calculate the standard enthalpy of formation (\Delta H_{f}^{\circ}) for Carbon dioxide (CO_2) using quantum chemical calculations.

answered 5 days ago in Quantum Chemistry

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69 views

What is the structure of the molecule responsible for the peak at 1700 cm$^{-1}$ in the IR spectrum of a compound?

answered 5 days ago in Physical Chemistry

+1 vote

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Using the melting point determination technique, determine the purity of a sample of aspirin and compare it to the expected melting point range for pure aspirin. Additionally, propose possible sources of error in the experiment and suggest ways to minimize them.

answered 6 days ago in Analytical Chemistry

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A researcher is working on the desorption of a specific gas from a metal surface. The enthalpy of desorption for this process is -23.4 kJ/mol. If the researcher desorbs 0.75 moles of the gas, how much heat is released (or absorbed)?

answered Jan 22 in ThermoChemistry

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73 views

A chemistry student needs to calculate the enthalpy of adsorption of ammonia that is adsorbed on silica gel at a temperature of 298 K. The student is provided with the following information: - The partial pressure of ammonia in the gas phase is 0.5 atm- The initial temperature of the clean silica gel is 298 K- The final temperature of the adsorbed ammonia and silica gel mixture is 306 K- The mass of ammonia adsorbed on silica gel is 0.025 grams What is the enthalpy of adsorption of ammonia on silica gel at 298 K, in kJ/mol?

answered Jan 22 in ThermoChemistry

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82 views

Determine the oxidation state of the sulfur atom in the compound H2SO4.

answered Jan 21 in Inorganic Chemistry

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30 views

Please compare and contrast the social learning and humanistic approaches to therapy.

answered Jan 15 in Psychology

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37 views

What is antisocial personality disorder?

answered Jan 13 in Psychology

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34 views

What are the advantages of the psychodynamic theory of anxiety?

answered Jan 13 in Psychology

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7 views

What type of tissue covers the outside of a plant?

answered Jan 8 in Science

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23 views

What form of radiation is the energy emitted by the sun?

answered Jan 6 in Science

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