. ¿Cómo respiras en un día frio (-10º C) o en un día cálido (37º C). En el caso del día frio el aire se expande mientras pasa por el sistema respiratorio y se calienta hasta 37º C

Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

Which statement can best be concluded from the ideal gas law?

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.