The original pressure of a gas was 765 torr, and the volume changed from 17.5 L to 12.5L while the temperature remained constant. What is the gas's new pressure in torr?

a) 1.070 torr
b)750 torr
c)986 torr
d)560 torr

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.

The organism shown is a free-living one that is anchored to the bottom of ponds and streams during one stage of its life cycle what is the common name for the group to which this organism belong

Draw metallic bonding if two copper