By adding the enthalpies of the intermediate reactions together to get the enthalpy of the desired reaction
I'm pretty sure all 4 are subatomic particles but if i had to guess i'd be Photons
Chemical formula that shows the totalnumber and kinds of atoms in a molecule,but not their structural arrangement. Forexample, the molecular formula of aspirinis C9H8O4. Compare empirical formulastructural formula .
contains 4.92% hydrogen and 26.18% oxygen. The molar mass of the compound is 244.25 g/mol
