Balance the equation
What type of reaction

Pb + Mg(NO3)2 —> Pb(NO3)2 + Mg

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.

Acontainer holds 35.8 moles of gas under 10.0 atm of pressure at 70.0 c. what is the volume of the container?

How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?