Questions by JulietSells6

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Calculate the enthalpy of combustion of ethane (C2H6) using the following information: The enthalpy of formation of C2H6 is -84.7 kJ/mol, the enthalpy of formation of CO2 is -393.5 kJ/mol, and the enthalpy of formation of H2O is -241.8 kJ/mol.

asked Jan 23 in ThermoChemistry

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1 answer 63 views

A chemical plant needs to separate a mixture of benzene and toluene using a distillation column. The feed contains 40% benzene and 60% toluene. Design a distillation column to achieve a distillate with at least 90% purity of benzene. Provide the reflux ratio and the number of theoretical trays required to meet the purity specification. Assume an operating pressure of 1 atm and th

asked Jan 22 in Chemical engineering

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1 answer 52 views

Who developed the behavioural theory of personality disorders?

asked Jan 16 in Psychology

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1 answer 16 views

What does the Ecological theory posit?

asked Jan 15 in Psychology

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1 answer 43 views

What is declarative memory?

asked Jan 15 in Psychology

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1 answer 25 views

What do we call the study of rock layers?

asked Jan 6 in Science

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1 answer 31 views

The difference between aldehydes and ketones is the placement of what group within the molecule?

asked Dec 31, 2024 in Science

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1 answer 51 views

How did a vascular let plants grow?

asked Dec 30, 2024 in Science

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