Questions by Shirley80008

0 votes

1 answer 21 views

How can a chemist develop a process for the efficient production of 1,4-dioxane, a key intermediate in the production of polymers and solvents, using the principles of chemical engineering? Consider factors such as reaction conditions, catalyst selection, and process optimization to maximize yield and minimize waste.

asked 1 day ago in Chemical engineering

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1 answer 31 views

Calculate the standard enthalpy change for the sublimation of iodine solid to iodine gas at 298 K with the following given data: - Standard enthalpy of fusion of iodine: 15.52 kJ/mol- Standard molar entropy of iodine solid: 62.7 J/K/mol- Standard molar entropy of iodine gas: 260.6 J/K/mol

asked 2 days ago in Chemical thermodynamics

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1 answer 49 views

Calculate the enthalpy change for the ionization of sodium chloride given that the enthalpy of formation of NaCl is -411 kJ/mol, and the ionization energy of Na and Cl are 496 kJ/mol and 349 kJ/mol respectively.

asked Jan 23 in ThermoChemistry

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1 answer 7 views

When evaluating cognitive behavioural therapy CBT theories, what are some of the factors to consider?

asked Jan 20 in Psychology

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1 answer 16 views

What is the difference between cognition and behaviour?

asked Jan 14 in Psychology

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1 answer 16 views

Where does the process of assembling amino acids into a protein take place?

asked Jan 8 in Science

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1 answer 18 views

What is the biggest group of animals on the planet?

asked Jan 6 in Science

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1 answer 8 views

Desert plants have special stems and leaves to conserve what?

asked Dec 30, 2024 in Science

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