Questions by RichGillilan

0 votes

1 answer 32 views

Calculate the standard enthalpy of formation of methanol, CH3OH (l), given that the standard enthalpy of combustion of methanol is -726.4 kJ/mol and the standard enthalpy of formation of carbon dioxide and water are -393.5 kJ/mol and -285.8 kJ/mol, respectively.

asked 2 days ago in ThermoChemistry

0 votes

1 answer 45 views

How can gas chromatography be used to analyze the composition of a complex mixture of hydrocarbons in a gasoline sample, and determine the percentages of each component present in the mixture?

asked Jan 29 in Analytical Chemistry

0 votes

1 answer 8 views

A student wants to determine the specific surface area of a solid sample using gas adsorption. The sample has a mass of 1 gram and the adsorption isotherm follows the BET model. The student measures the volume of nitrogen gas adsorbed at different pressures and obtains the following data:Pressure (torr) | Volume of nitrogen (cm3)---------------|----------------------- 50 | 24.51 100 | 39.22 200 | 67.38 300 | 90.86 400 | 104.29What is the specific surface area of the sample based on the BET model?

asked Jan 22 in Surface Chemistry

0 votes

1 answer 41 views

What is the role of gender identity in adolescent development?

asked Jan 14 in Psychology

0 votes

1 answer 25 views

What is the name for speed with a direction?

asked Jan 7 in Science

0 votes

1 answer 27 views

What are compounds composed of only two elements called?

asked Jan 2 in Science

...