What is the maximum number of grams of Cu, s that can be formed when 80.0 g Cu reacts with 25.0g S? 2Cu(s) + S(s) → Cu, S(s)

1. Identify the limiting reactant

2. How much excess reactant is left over

3. Find the grams for Cu2s

I need help

vanderwaal's forces of attraction are the electrostatic intermolecular forces that exist in a molecule due to the temporary or permanent dipoles that are developed in a molecule. in , the major intermolecular forces are dipole-dipole interactions as the molecule is polar (bent structure). so the vanderwaal's forces of interaction in between molecules are the permanent dipole-dipole interactions that develop due to the dipole that exists in between the polar h - s bond. the positively charged hydrogen atom is attracted towards the negative end of the dipole that is sulfur of the adjacent molecule. therefore, these forces of attraction are relatively stronger than that of london dispersion forces that exist in non polar molecules.

a electronegativity decreases beacuse the size of nucleus is bigger.

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