Consider the evaporation of methanol at 25.0∘c: ch3oh(l)→ch3oh(g). you may want to reference (pages 826 - 829) section 18.9 while completing this problem. part a part complete find δg∘ at 25.0∘c. express the free energy change in kilojoules to one decimal place. δg∘ = 4.3 kj

Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.

The peak wavelength for the blackbody curve of a star is in the uv range. assuming the radiation from this star can reach earth, would you be able to see it?

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?