1.3 m3 of saturated liquid water at 200°C is expanded isothermally in a closed system until its quality is 80%. Determine the total work produced by this expansion, in kJ.

Which changes of state do the labels represent? a: b: c:

In what direction does an applied force move an object

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th