Atank contains exactly one kilogram of water consisting of liquid and vapor in equilibrium at 1 mpa. if the liquid and vapor each occupy one-half the volume of the tank, what is the enthalpy of the content of the tank?

1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?

Two solutions of the same uv-absorbing molecule were analyzed by uv-vis spectroscopy on the same instrument using 1 cm pathlength cells. use data from the table to calculate by what percentage the concentration of solution b is compared to that of solution a. sample absorbance at 315nm a 0.45 b 0.80