For which applications would you choose a liquid over a gas or solid? washing clothes
linking a brake pedal to the brake pads at the wheels of a car
deodorizing a room
carving a sculpture
dissolving sugar
painting a wall
making a gear for a machine

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 number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Fossil fuels are organic compounds that are made from