Clayton pulled his back helping friend move and uses a thermal heat wrap to ease his muscle aches. How could Clayton monitor the
temperature profile of a thermal wrap in use?
A calorimeter
B colorimeter
C hydrometer
D thermometer

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.