7. Which letter indicates the most gradual change in temperature? 8. Which letter indicates the most sudden change in temperature?
9. Why are the average temperatures in the middle of the United States warmer than the coasts?

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

Table sugar completely dissolved in water is an example of a?

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.