7.AH, for the formation of rust (Fe2O3) is -826 kJ/mol. How much energy is involved in the formation of 5.00 grams of rust?
66.0)
✓
25.9)
of
66.0 kJ
25.9 kJ
brium

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

The molar mass of cu is 63.55 g/mol. the number of grams of cu produced in this reaction is

The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?