Describe how to prepare 250.0 mL of 0.150 M K2SO4 using a volumetric flask. Start with a dry solid sample of K2SO4.

How much heat is released upon converting one mole of steam (18.0 g) from 100.0 ∘c to water at 25.0 ∘c? show work and constants, trying to figure out how it works. only given the heat capacity for steam and water so try to only use that

This drawing shows a human body system. what is the primary function of this body system?

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear