Write a equation that gives the relationship between the speed of light, frequency and wavelength? ​

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.

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp