When you walk barefoot across a hot sidewalk, you feel the heat on your feet. Explain what's
happening with the molecules in both the sidewalk and your feet, and which direction thermal
energy is moving.

What is the relation between concentration of reactants and the rate of chemical reaction?

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Why are pipes bursting in the in extremely cold weather?