6621.5 kJ of heat is required to convert a 20.5 g sample of aluminum from the solid to liquid phase. What is the heat of
fusion of aluminum in kJ/g?
kJ/g

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.

What is the chemical formula for the compound formed between sodium and flour one

Arrange the elements in order of increasing electronegativity. use the periodic table to you arrange the elements. p o k mg